Data Sheet
Keysight Technologies
34980A Multifunction
Switch/Measure Unit
02 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
High-performance switch/measure unit provides
If you use automated test equipment for design validation or manufacturing, you now
have a cost-effective solution for many test system applications. The 34980A multifunc-
tion switch/measure unit provides functionality that is easy to set up and use, with a fast
startup time. The 34980A helps you lower your cost of test and accelerate your test-sys-
tem integration and development.
and system control. It also offers DMM measurements, counter/ totalizer functionality,
-
functional test and data acquisition systems.
Whether you are measuring temperature, AC or DC voltage, resistance, frequency, current,
Switch in different measurements with high-performance signal switching up to 300V
topologies with frequency ranges from DC to 26.5 GHz. The 34980A offers high-density
time, and general purpose switches for simple control and high power needs.
irregularities.
such as microwave switches, attenuators, solenoids, and power relays. Or use the digital
03 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
Optimized for test systems
The 34980A has the performance you need for medium- to high-density switching/mea-
integrity. Switch your signals to the optional internal DMM and achieve optimal through-
-
Ethernet interface, you can control the 34980A and collect data from anywhere on the
network. For a complete modular solution, use the 34980A together with PXI modular
The rugged instrument comes with a variety of system-ready features:
–
control
–
–
–
–
– Relay counters help predict end-of-life
–
– DMM measurement accuracies include the switch for simple calculations
– Built-in Ethernet, USB 2.0, and GPIB connectivity
–
–
– Mass interconnect solutions
development environment you choose.
-
wiring needs.
name you created.
Switch sequences are downloaded and stored in the instrument for ease of programming
and increased throughput.
04 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
Measurements you can trust
-
measurements:
– 6½ digits of resolution with .004% of accuracy with DC voltage measurements
–
–
– Built-in thermocouple reference for temperature measurements (34921T)
– Time-stamped readings
– Add more formulas with BenchLink Data Logger Software
The integrated DMM is mounted inside the mainframe and does not consume any of
– Temperature with thermocouples, RTDs, or thermistors (with 34921A)
– DC and AC voltage
– 2- and 4-wire resistance
– Frequency and period
– DC and AC current
functions, scale factors and alarm limits. Advanced measurement features such as
The DMM inputs are shielded and optically isolated from the 34980A’s earth-referenced
circuitry and computer interface, and as a result, you get up to 300 V of input isolation.
This is important for reducing ground-loops and common-mode voltage errors
-
05 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
Standard interfaces take the hassle out of connecting to your PC
Standard Ethernet, USB and GPIB interfaces are included in every mainframe. Use one
–
– Ethernet offers high-speed connections that allow for remote access and control.
application remotely.
–
Remote access and control
– View and modify instrument setup
– Open, close, or monitor switches
– Send SCPI commands
–
– View error queue
–
system remotely.
Works with your choice of software so you can save time and preserve your software
tools:
–
–
–
Figure 1.
06 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
Free BenchLink Data Logger Software to Simplify data logging
The BenchLink Data Logger software for the 34980A provides a convenient way to collect and analyze
your data.
-
surement data to be collected. The tab-based format makes it easy to set up and initiate scans.
Simply identify the measurements you want to acquire, initiate the process and see the data displayed
real-time. The rich set of colorful graphics provides many options for analyzing and displaying your
data. You can specify multiple channels per graph, or send collected data to multiple graphs. Use strip
charts with markers and alarm indication, or histograms with statistics. And of course you can use
BenchLink Data Logger to easily move data to other applications for further analysis, or for inclusion
in your presentations and reports.
Figure 2. 34826A BenchLink Data Logger Software for high speed data logging with no programming
Figure 3. 34832A BenchLink Data Logger Pro adds limit checking and decision making
The BenchLink Data Logger
Pro Software adds limit
checking and decision making
for more complex applications.
Simply identify the measure-
ments you want to acquire,
preformed, and then initiate
the process. Your data is then
collocated, evaluated and
acted on real-time.
–Control Instruments
–
–Stop Scan
–Control Instruments
–
–Stop Scan
–Control Instruments
–
–Stop Scan
07 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
08 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
Module Description Max volts
Switch/Carry
current BW (MHz)
Scan
ch/sec
Thermal
offset Comments
Multiplexer modules
34921A 40-channel armature multiplexer w/low
thermal offset
± 300 V 1A/2A 45 MHz 100 Temperature reference
4 current channels
34922A 70-channel armature multiplexer ± 300 V 1A/2A 25 MHz 100
34923A 40/80-channel reed multiplexer ± 150 V 0.5A/1.5A 45 MHz 500
34924A 70-channel reed multiplexer ± 150 V 0.5A/1.5A 25 MHz 500
34925A 40/80-channel optically isolated
FET multiplexer
± 80 V 0.02A 1 MHz 1000
Matrix modules
34931A Dual 4x8 armature matrix ± 300 V 1A/2A 30 MHz 100 Backplane expandable
34932A Dual 4x16 armature matrix ± 300 V 1A/2A 30 MHz 100 Backplane expandable
34933A Dual/Quad 4x8 reed matrix ± 150 V 0.5A/1.5A 30 MHz 500 Backplane expandable
34934A Quad 4x32 reed matrix +/–100V 0.5A/0.5A 20MHz 500 Row expansion kit.
General-purpose modules
34937A 28-channel Form C and
4-channel Form A
+/–300 V
+/–250 VAC
1A/2A
5 A
10 MHz N/A
34938A 20-channel 5-amp Form A +/–250 VAC 5A/8A 1 MHz N/A
34939A 64-channels Form A +/–100V 1A/2A 10MHz N/A
Module Description
Insertion
loss Isolation Freq range VSWR
Input
impedence Comments
RF and microwave modules
34941A Quad 1x4 50 ohm 3 GHz RF multiplexer 0.6 dB > 58 dB 3 GHz < 1.25 @ 1 GHz
34942A Quad 1x4 75 ohm 1.5 GHz RF multiplexer 0.6 dB > 60 dB 1.5 GHz < 1.35 @ 1 GHz
34945A/
34945EXT
Microwave switch/attenuator driver Can drive up to 64 external switch coils; 32 SPDT switches, 8 multiport switches,
8 attenuators, or your own combination. Expand with additional 34945EXTs.
34946A Dual 1x2 SPDT terminated
microwave switch
< 0.42 dB
< 0.69 dB
< 0.8 dB
> 85 dB
> 67 dB
> 60 dB
4 GHz or
20 GHz
26.5 GHz
< 1.15
< 1.30
< 1.6
@ 4 GHz
@ 20 GHz
@ 26.5GHz
34947A Triple 1x2 SPDT unterminated
microwave switch
< 0.42 dB
< 0.69 dB
< 0.8 dB
> 85 dB
> 67 dB
> 60 dB
4 GHz or
20 GHz
26.5 GHz
< 1.15
< 1.30
< 1.6
@ 4 GHz
@ 20 GHz
@ 26.5GHz
System control modules Description
34950A 64-bit digital I/O with memory
and counter
Eight 8-bit digital I/O channels with programmable polarity, thresholds up to 5 V,
with handshaking protocols and pattern memory. Two 10 MHz frequency counter and
programmable clock output to 20 MHz.
34951A 4-channel isolated D/A converter
with waveform memory
Output DC voltage up to ± 16 V or DC current up to ± 20 mA.
Output waveforms with a 200 kHz update rate and 16 bits of resolution.
Use on-board memory to create point-to-point waveforms with more than 500,000 points.
34952A Multifunction module with 32-bit DIO,
2-ch D/A and totalizer
Four 8-bit digital I/O channels, two ± 12-V analog outputs, and a 100 kHz gated totalizer.
34959A Breadboard module Create your own custom designs with access to the +12 V and +5 V supplies,
16 GPIO ports and 28 relay drive lines.
09 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
to the internal DMM.
Choose from the following features:
–
–
–
– Scan up to 1000ch/sec with the 34925A
– Bandwidths up to 45 MHz
–
–
–
Voltage
AC/DC
Current
AC/DC
Freq/
Period
Thermo-
couple
RTD
RTD
Thermistor
34921A Armature Multiplexer Yes Yes Yes Yes Yes Yes Yes Yes Yes
34922A Armature Multiplexer Yes No Yes Yes Yes Yes Yes Yes Yes
Yes No Yes Yes Yes Yes Yes Yes Yes
Yes No Yes Yes No Yes Yes No Yes
34924A Reed Multiplexer Yes No Yes Yes Yes Yes Yes Yes Yes
Yes No Yes Yes es Yes No Yes No
Yes No Yes Yes No Yes No No No
NOTE: See User’s Guide for additional information.
10 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
to 560 2-wire channels or 640 1-wire channels in a single mainframe. The 34921A also
offers 4 channels for directly measuring current. Or if you need more current channels,
signals are connected to each other during a scan. Or, if you prefer, you can control
NOTE: The 34923A and 34924A have 100 ohm input protection resistors that limit
current and protect the reed relays.
11 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
40 2-wire
20 4-wire
4-current
1.5 A Fused
70 2-wire
35 4-wire
80 1-wire
40 2-wire
20 4-wire
70 2-wire
35 4-wire
80 1-wire
40 2-wire
20 4-wire
Switch type Armature
latching
Armature
latching
Reed Reed Optically
isolated FET
Input characteristics (per channel)
Max volts ± 300 V [1] ± 300 V [1] ± 150 V peak [2] ± 150 V peak [2] ± 80 V peak [2]
Switch current
Carry current
1 A
2 A
1 A
2 A
0.5 A [5]/ 0.05 A [11]
1.5 A [5]/ 0.05 A [11]
0.5 A [5]/ 0.05 A [11]
1.5 A [5]/ 0.05 A [11]
0.02 A [8]
[6] 60 W 60 W 10 W 10 W 1.6 W
Volt-Hertz limit 108 108 108 108 107
Initial closed channel res [3][12] [5]/200 [11]
nominal
[5]/200 [11]
nominal
Offset voltage [3]
< 100 uV 1-wire
< 50 uV
Leakage current [3] N/A N/A N/A N/A 20 nA [9]
T/C cold junction accuracy [3, 10] < 1°C N/A N/A N/A N/A
AC characteristics
Bandwidth at terminal block [4] 45 MHz 25 MHz 45 MHz [5]/4 MHz
10 MHz 1-wire
25 MHz [5]/4 MHz [11] 1 MHz
[4]
300 kHz
1 MHz
20 MHz
45 MHz
–75 dB
–75 dB
–50 dB
–40 dB
–75 dB
–75 dB
–50 dB
–75 dB
–75 dB
–50 dB
–40 dB
–75 dB
–70 dB
–45 dB
Not recommended for
RF signal switching
Capacitance at terminal block
HI-LO
LO – earth
150 pF
150 pF
250 pF
200 pF
130 pF
120 pF
200 pF
170 pF
100 pF
[1] DC or AC RMS voltage, channel-to-channel or channel-to-earth
[2] Peak voltage, channel-to-channel or channel-to-earth
[6] Limited to 6 W of channel resistance power loss per module
[8] DC or peak AC current
Switching relays for 2K cycles prior to use may reduce the variation in channel resistance. Applies to the 34921A and 34922A. Keysight recommends the use of 4-wire Ohms for
resistance measurements. For high accuracy voltage measurements, select the DMM input resistance setting of >10 G ohms to minimize the impact of relay contact resistance.
12 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
General characteristics
Relay life, typical
No load
10 V, 100 ma
Rated load
100 M
10 M
100 k
100 M
10 M
100 k
1000 M
10 M
10 k
1000 M
10 M
10 k
Unlimited within FET banks
Unlimited within FET banks
Unlimited within FET banks
Scanning speeds [7] 100 ch/sec 100 ch/sec 500 ch/sec 500 ch/sec 1000 ch/sec
Open/ close time, typical 4 ms/4 ms 4 ms/4 ms 0.5 ms/0.5 ms 0.5 ms/0.5 ms 0.25 ms/0.25 ms
Analog bus backplane connection Yes Yes Yes Yes Yes
[1] DC or AC RMS voltage, channel-to-channel or channel-to-earth
[2] Peak voltage, channel-to-channel or channel-to-earth
[6] Limited to 6 W of channel resistance power loss per module
[8] DC or peak AC current
week. Switching relays for 2K cycles prior to use may reduce the variation in channel resistance. Applies to the 34921A and 34922A. Keysight recommends the use of 4-wire
Ohms for resistance measurements. For high accuracy voltage measurements, select the DMM input resistance setting of >10 G ohms to minimize the impact of relay
contact resistance.
13 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
that allow you to connect any row to any column. This is a
convenient way to connect multiple test instruments to
multiple points on a device under test.
Choose from the following features:
–
–
–
–
–
–
(34931A, 32A, 33A)
–
a low for the measurement. Or, if you prefer, the 34933A and
The 34933A also has in-rush resistors on each column for added
protection. The 34934A also has in-rush protection resistors,
low-level measurements. Row disconnect switches also reduce
larger matricies.
measurements.
desired switching topology and get a lower-cost solution with
cross-point setups.
NOTE: The 34933A and 34934A have 100 ohm input protection
resistors to limit current and protect the reed relays
Figure 8. 34934A quad 4x32 matrix (1 of 4 matricies shown)
14 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
dual 4x8
8x8
4x16
dual 4x16
8x16
4x32
dual 4x8
8x8
4x16
quad 4x8, 1-wire
quad 4x32
4x128
8x64
16x32
Switch type Armature
latching
Armature
latching
Reed
non-latching
Reed
non-latching
Input characteristics (per channel)
Max volts ± 300 V [1] ± 300 V [1] ± 150 V peak [2] ± 100 V peak
Switch current
Carry current
1 A
2 A
1 A
2 A
0.5 A [5]/0.05 A [8]
1.5 A [5]/0.05 A [8]
0.5 A
0.5 A
[2, 6] 60 W 60 W 10 W [7] 10 W
Volt-Hertz limit 108 108 108 108
Initial closed channel res [3][9] <
1.5
[5]/
200
[8]
nominal
Offset voltage [3] < 3 uV < 3 uV < 50 uV
< 100 uV 1-wire
< 20 uV
< 50 uV 1-wire
AC characteristics
Bandwidth at terminal block [4] 30 MHz 30 MHz 30 MHz [5]/4 MHz [8]
2 MHz 1-wire
35 MHz 2-wire
15 MHz 1-wire
[4]
300 kHz
1 MHz
20 MHz
–65 dB
–55 dB
–30 dB
–65 dB
–55 dB
–30 dB
–65 dB
–55 dB
–40 dB
–65 dB
–55 dB
–33 dB
Capacitance at terminal block
HI-LO
LO – earth
50 pF
80 pF
50 pF
80 pF
80 pF
75 pF
45 pF
250 pF
General characteristics
Relay life, typical
No load
10 V, 100 mA
Rated load
100 M
10 M
100 k
100 M
10 M
100 k
1000 M
10 M
10 k
1000 M operations
Open/close time 4 ms/4 ms 4 ms/4 ms 0.5 ms/0.5 ms 0.35 ms/0.10 ms
Analog bus backplane connection Bank 2 Bank 2 Bank 2 No
[1] DC or AC RMS voltage, channel-to-channel or channel-to-earth
[2] Peak voltage, channel-to-channel or channel-to-earth
[6] Limited to 6 W channel resistance power loss per module
[8] Protection Resistors:
out of service or following relay inactivity for periods of greater than 1 week. Switching relays for 2K cycles prior to use may reduce
the variation in channel resistance. Applies to the 34931A and 34932A. Keysight recommends the use of 4-wire Ohms for resistance
measurements. For high accuracy voltage measurements, select the DMM input resistance setting of > 10 G ohms to minimize the
impact of relay contact resistance.
15 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
34980A general-purpose switch modules
system devices. These switches are ideal for device actuation and switching loads or
power supplies.
Choose from the following features:
– Form C channels up to 1 A, 50 W
– Form A channels up to 5 A, 150 W
– Armature latching relays
– Simultaneous channel switching
– Temperature sensor to detect overheating conditions
–
The 34937A is the most versatile general purpose switch with 28 Form C channels that
can switch up to 1 A of current. In addition, this module has four Form A channels that
can switch up to 5 A of current. For power switching applications, the 34938A has 20
5-amp channels in a Form A topology. Each Form A general-purpose switch can handle
up to 150 W, enough for many power line switching applications. For high density appli-
cations the 34939A offers 64 Form A channels for switching up to 1A and carry currents
up to 2A.
The general purpose switches contain latching armature relays where multiple channels
Channel 001
(1A form C relay)
NC
NO
COM
Channel 028
(1A form C relay)
NC
NO
COM
Channel 029
(5A form A relay)
NO
COM
Channel 032
(5A form A relay)
NO
COM
Figure 9. 34937A 32-channel Form A/
Form C switch
16 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
28 Form C
4 Form A
20 Form A 64 Form A
Switch type Armature, latching Armature, latching Armature, latching
Input characteristics (per channel)
[1] Form C – 300 V
Form A – 30 VDC/250 VAC
30 VDC/250 VAC
Form C – 1 A (2 A carry)
Form A – 5 A switch
(8 A carry)
5 A switch
(8 A carry)
1A switch
(2A carry)
Power (W, VA) [2] Form C –60 W
Form A – 150 W 150 W
60 W
Volt-Hertz limit 108 108 108
Offset voltage 3 V 3 V 3 V
Initial closed channel res
DC Isolation (ch-ch, ch-earth)
AC characteristics
[3] 10 MHz 1 MHz 10 MHz
[3]
100 kHz
1 MHz
10 MHz
55 dB
35 dB
15 dB
60 dB
40 dB
45 dB
25 dB
5 dB
CH – CH
CH – earth
Form C 12 pF/ Form A 10 pF
Form C 21 pF/Form A 18 pF
65 pF
105 pF
20 pF
70 pF
General characteristics
Relay life no load/rated Form C – 100 M/100 k
Form A – 50 M/30 k 50 M/30 k
> 100 M/100 k
Open/close time Form C – 4 ms/4 ms
Form A – 10 ms/10 ms
10 ms/10 ms 4 ms / 4 ms
Initial/reset relay state Form C – maintain state
maintain
[1] DC or AC RMS voltage, channel-to-channel or channel-to-earth
[2] Limited to 6 W of channel resistance power loss per module
17 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
34980A RF and microwave switch modules
SPDT switching from DC to 26.5 GHz, or a switch/ attenuator driver module that
RF test equipment.
Choose from the following features:
–
– DC to 3 GHz
– 30 V, 0.5 A, 10 W
Frequency
10 MHz
0 dB
-10 dB
-20 dB
-30 dB
-40 dB
-50 dB
-60 dB
-70 dB
-80 dB
-90 dB
-100 dB
40 MHz 100 MHz 400 MHz 1 GHz 4 GHz
Channel to channel
Bank to bank
Frequency
10 MHz
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
40 MHz 100 MHz 400 MHz 1 GHz
4 GHz
Frequency
10 MHz
0.0 dB
0.3 dB
0.6 dB
0.9 dB
1.2 dB
1.5 dB
1.8 dB
2.1 dB
2.4 dB
2.7 dB
3.0 dB 40 MHz 100 MHz 400 MHz 1 GHz
4 GHz
34941A typical initial crosstalk
34941A typical initial insertion loss
34941A typical initial VSWR
18 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
For applications where you need only a few high-frequency switches, the 34946A and 34947A offer
with the unterminated switches, or select the terminated switches to maintain impedance match.
34946A/47A option 001
Coil Voltage option 124 24 Vdc coil
DC Connector option 201 “D” subminiature 9 pin female
Drive option 402 position indicators
10 MHz
0 dB
-10 dB
-20 dB
-30 dB
-40 dB
-50 dB
-60 dB
-70 dB
-80 dB
-90 dB
-100 dB 40 MHz 100 MHz 400 MHz 1 GHz 2 GHz
Frequency
Banks
2 & 3
Banks
1 & 4
10 MHz
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
40 MHz 100 MHz 400 MHz 1 GHz 2 GHz
Frequency
10 MHz
0.0 dB
0.3 dB
0.6 dB
0.9 dB
1.2 dB
1.5 dB
1.8 dB
2.1 dB
2.4 dB
2.7 dB
3.0 dB 40 MHz 100 MHz 400 MHz 1 GHz 2 GHz
34942A typical initial crosstalk
34942A typical initial insertion loss
34942A typical initial VSWR
5050 50
101 102COM
50
201 202COM
34946A Dual 1x2 SPOT Terminated Microwave Switch
19 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
DC to 3 GHz [3]
Channels quad 1x4 quad 1x4 2 SPDT 3 SPDT
Switch type
latching relays
latching relays
RF characteristics
Frequency range [2] DC to 3 GHz DC to 1.5 GHz DC to 4 GHz,
20 GHz or
26.5 GHz
DC to 4 GHz,
20 GHz or
26.5 GHz
Insertion loss [2]
100 MHz
1 GHz
3 GHz
0.15 dB
0.60 dB
1.40 dB
0.15 dB
0.60 dB
N/A
DC to 4 GHz < 0.42 dB,
@ 20GHz < 0.69 dB,
@ 26.5GHz < 0.8 dB
DC to 4 GHz < 0.42 dB,
@ 20 GHz < 0.69 dB
@ 26.5GHz < 0.8 dB
VSWR
100 MHz
1 GHz
3 GHz
1.03
1.25
1.55
1.15
1.35
N/A
DC to 4 GHz < 1.15,
@ 20 GHz < 1.30,
@ 26.5GHz < 1.6
DC to 4 GHz < 1.15,
@ 20 GHz < 1.30,
@ 26.5GHz < 1.6
[2]
100 MHz
1 GHz
3 GHz
Contact factory
80 dB
58 dB
40 dB
Contact factory
80 dB
60 dB
N/A
DC to 4 GHz > 85 dB,
@ 20 GHz > 67 dB,
@ 26.5GHz > 60 dB
DC to 4 GHz > 85 dB,
@ 20 GHz > 67 dB,
@ 26.5GHz > 60 dB
Spurious noise
below 1.3 GHz –140 dBm –140 dBm 80 dB 80 dB
Risetime < 80 ps < 160 ps N/A N/A
Signal delay < 1 ns < 1 ns N/A N/A
Capacitance < 30 pF < 30 pf N/A N/A
Switching characteristics
Max volts [1] 30 V 30 V 7 VDC 7 VDC
Max current 0.5 A 0.5 A N/A N/A
10 W [5] 10 W [5] 1 W @ 7 VDC, 50 W peak [4] 1 W @ 7 VDC, 50 W peak [4]
Offset voltage N/A N/A
Initial channel resistance N/A N/A
Volt-Hertz limit 2 x 1010 2 x 1010
General characteristics
Relay life 300,000 at 30 V/10 mA load;
100,000 at 10 W load RF
SAmeas
300,000 at 30 V/10 mA load
100,000 at 10 W load RF
SAmeas
> 5 M cycles,
1 M w/drive 28-32 VDC
> 5 M cycles,
1 M w/drive 28-32 VDC
Open/close time 18 ms/18 ms 18 ms/18 ms < 15 ms/15 ms < 15 ms/15 ms
Connector type Female SMA Female SMA Female SMA
Coil voltage N/A N/A 24 VDC 24 VDC
Analog bus backplane
connection
No No No No
[1] Channel-to-earth
20 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
34945A/34945EXT microwave switch/attenuator driver
-
ternal to the 34980A. The 34945A/ 34945EXT provides the power and control
signals for many of the most popular microwave switches and attenuators. One
performed in sequential order, or for faster, simultaneous switching, you can connect
power and control signals from the driver module to the switches using standard
actual position of the switch or attenuator. Drive signals for LED indicators are also
provided to give a visual indication of the switch position.
The following microwave switches and attenuators are supported with the
–
– 8762/3/4 series SPDT switches (screw terminals)
–
–
–
–
–
–
–
–
– Other switches and devices through individual screw terminal connections
30 V
Driver off leakage current
600 mA
0.5 V @ 600 mA
Hi output voltage 3 V @ Iout = 2 mA
Lo output voltage 0.4 V @ Iin = 20 mA
Lo input Current 20 mA
Channels 64
0.8 V
2.5 V
Input resistance
Maximum input voltage 30 V
Voltage 24 V nominal
supply required for
switches needing
Current 100 mA continuous
+ 200 mA
Voltage range 4.75 V to 30 V
Current limit 2 A
Channels 64
Supply voltage 5 V nominal
LED drive current 5 mA nominal
Driver compliance voltage 0.8 V
11.2" x 4.5" x 1.5" high with distribution boards
installed
Maximum 8 34945 Ext’s per mainframe
and L4490A/91A RF Switch Platform.
NOTE
an RF/Microwave Switch System,” literature
details.
required to control
switches (ordered separate)
Figure 12. 34945A/34945EXT
microwave switch/attenuator driver
34945A module
21 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
34980A System Control Modules
I/O channels with handshaking, pattern memory, two 10 MHz counters with gate func-
Digital input/output
-
-
-
–
–
–
–
– Source or sink up to 24 mA with a I of 400 mA per module.
–
–
–
Digital input/output characteristics
Eight 8-bit channels:
8 bits wide, input or output, non-isolated
Vin 0 V – 5 V [1]
Vout 1.65 V – 5V [1, 2]
Iout [2]
10 MHz [3]
ILoad 400 mA
trise + tfall 6 ns [5]
Handshake lines
Vin 0 – 5 V [4]
Vout 1.65 – 5 V [2, 4]
24 mA [2]
10 MHz
Counter function characteristics
Max freq
duty cycle
Vin 0 V – 5 V
Min rise/fall time
Totalizer function characteristics
Maximum count 2^32 – 1
Max input freq
or falling edge
programmable
Vin 0 V – 5 V
Gate input 0 V – 5 V
Min rise/fall time 5usec
System clock generator characteristics
Frequency 20 MHz – 10 Hz
divideby-n 24-bits,
programmable on/off
Vout 1.65 V – 5 V [2]
24 mA [2]
Accuracy: 100 ppm
[2] Lower current drive at lower voltages
[3] From memory with handshaking
[5] 5 V, 50 pF load
Figure 13. 34950A 64-channel digital I/O
Frequency counter/totalizer
The two channels can be used to count
digital events, frequency, period, duty
cycle, totalize, and pulse width. The
counter/ totalizer also includes
–Programmable gate functionality
–Programmable input thresholds
levels 0 V to 3 V
22 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
34951A 4-channel isolated
D/A converter with
waveform memory
This module has four independent, isolat-
ed channels that output DC voltage up to
and can store up to 32 waveforms. Any
among one or more channels and output
can use the standard sine, square or ramp
wave shape using over 500,000 points and
output to a device under test. There is also
each channel independently.
Maximum update rate: 200 kHz point-to-
point
Monotonic: to 16-bits
Isolation: > 80 VDC/AC peak
Synchronization: Software commands
or external trigger
Internal/external CLK
accuracy: 100 ppm
AC accuracy:
DC voltage
Amplitude: ± 16 V up to 10 mA
Resolution:
Amplitude
Ripple and noise: < 2 mVrms, 20 Hz to
Settling time:
scale step, single chan-
Output impedance:
sensed
DC current
Range: ± 20 mA
Resolution: 16-bit = 630 nA
Accuracy:
Ripple and noise:
Compliance
voltage:
± 12 V
Max open circuit
voltage:
< ± 22 V
Phase-locking I/O trigger characteristics
Trigger input
Input level: TTL compatible
Slope: Rising or falling, selectable
Pulse width: > 100 nS
Input
impedance:
Trigger output
Level: TTL compatible into
Output
impedance:
Clock input
Input level: TTL compatible
Input
impedance:
Maximum
rate:
10 MHz
Clock output
Level: TTL compatible into
Output
impedance:
Maximum
rate:
10 MHz
Accuracy: ± 100 ppm
Figure 14. 34951A 4-channel isolated D/A converter
23 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
34952A multifunction module
and totalizer
The multifunction module offers the
channels, a 100- kHz gated totalizer, and
earth-referenced module. The digital
in a scan list. Alarm limits for the digital
and totalizer inputs are evaluated con-
tinuously, capturing and logging alarm
-
Digital input/output characteristics
Four 8-bits channels, 8 bits wide, input or
output, non-isolated
< 0.8 V @ Iout = -400 mA
per output
> 2.4 V @ Iout = 1 mA
< 42 V with external open
drain pull-up
Alarm Maskable pattern match or
state change
Speed
Latency
alarm output
Read/write speed 95/s
Totalize input characteristics
Max count 226 - 1
Totalize input
falling edge, program-
mable
Signal level
Threshold 0 V or TTL
Gate input TTL-Hi, TTL-Lo, or none
Count reset Manual or read + reset
Read speed 85 rds/s
Analog output characteristics
DAC 1, 2 ± 12 V, non-isolated
Resolution 1 mV
IOUT 10 mA max
Settling time
Accuracy
1 year
Figure 15. 34952A multifunction module
24 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
Use this module to create your own cus-
tom designs inside the 34980A mainframe.
components into the space provided and
provided. The module is provided with two
For custom connections, use the detach-
-
dard read and write commands in SCPI.
Max module power dissipation 6 W
Power available
12 V regulation no load to full load
5 V regulation no load to full load
Max power from 12 V 6 W
Max power from 5 V 1 W
Relay drives
Channels: 28, sink up to 100 mA
Max Input Voltage: 42 V
Leakage Current:
GPIO ports
Chan 1 and
Chan 2:
or output
Chan 3: 3 output bits
High Input: 2 V min, 5.5 V max
Low Input: 0 V min, 0.8 V max
High Output: 2.4 V @ 4 mA, 3 V @ 500
Low Output: 0.4 V @ 8 mA
-
Figure 16. 34959A breadboard module
25 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
Includes measurement error, switching error, and transducer conversion error
Measurement including switch error
Function Range
Temperature
DC voltage
[10] [11]
Input impedance = Hi-Z
10 V range and below
100.0000 mV
1.000000 V
10.00000 V
100.0000 V
300.0000 V
0.0030 + 0.0035
0.0020 + 0.0006
0.003 + 0.0006
0.003 + 0.0020
0.0040 + 0.0040
0.0030 + 0.0007
0.0045 + 0.0006
0.0045 + 0.0030
0.0050 + 0.0040
0.0040 + 0.0007
0.0055 + 0.0006
0.0055 + 0.0030
0.0005 + 0.0005
0.0005 + 0.0001
0.0005 + 0.0001
0.0005 + 0.0003
True RMS AC
voltage [5]
All ranges from
100.0000 mV
to 100.0000 V
300.0000 V
3 Hz-5 Hz
5 Hz-10 Hz
20 kHz-50 kHz
50 kHz-100 kHz
100 kHz-300 kHz [6]
3 Hz-5 Hz
5 Hz-10 Hz
10 Hz-20 kHz
20 kHz-50 kHz
50 kHz-100 kHz
100 kHz-300 kHz [6]
1.00 + 0.03
0.35 + 0.03
0.10 + 0.05
0.55 + 0.08
4.00 + 0.50
1.00 + 0.05
0.35 + 0.05
0.04 + 0.05
0.10 + 0.10
0.55 + 0.20
4.00 + 1.25
1.00 + 0.04
0.35 + 0.04
0.11 + 0.05
0.60 + 0.08
4.00 + 0.50
1.00 + 0.08
0.35 + 0.08
0.05 + 0.08
0.11 + 0.12
0.60 + 0.20
4.00 + 1.25
1.00 + 0.04
0.35 + 0.04
0.12 + 0.05
0.60 + 0.08
4.00 + 0.50
1.00 + 0.08
0.35 + 0.08
0.06 + 0.08
0.12 + 0.12
0.60 + 0.20
4.00 + 1.25
0.100 + 0.004
0.035 + 0.004
0.011 + 0.005
0.060 + 0.008
0.20 + 0.02
0.100 + 0.008
0.035 + 0.008
0.005 + 0.008
0.011 + 0.012
0.060 + 0.020
0.20 + 0.05
Resistance [7]
1 mA
1 mA
100 uA
10 uA
5.0 uA
500 nA
0.0030 + 0.0035
0.0020 + 0.0006
0.0020 + 0.0005
0.002 + 0.001
0.015 + 0.001
0.300 + 0.010
0.008 + 0.004
0.008 + 0.001
0.008 + 0.001
0.008 + 0.001
0.020 + 0.001
0.800 + 0.010
0.010 + 0.004
0.010 + 0.001
0.010 + 0.001
0.010 + 0.001
0.040 + 0.001
0.800 + 0.010
0.0006 + 0.0005
0.0006 + 0.0001
0.0006 + 0.0001
0.0010 + 0.0002
0.0030 + 0.0004
0.1500 + 0.0002
Frequency and
period [8]
100 mV to 300 V 3 Hz-5 Hz
5 Hz-10 Hz
10 Hz-40 Hz
40 Hz-300 kHz
0.10
0.05
0.03
0.10
0.05
0.03
0.10
0.05
0.03
0.005
0.005
0.001
DC current
10.00000 mA
1.000000 A
< 0.1 V burden typ.
< 2 V
0.005 + 0.010
0.050 + 0.006
0.030 + 0.020
0.080 + 0.010
0.050 + 0.020
0.100 + 0.010
0.002 + 0.0020
0.005 + 0.0010
True RMS AC current
10.00000 mA
and [5]
1.0 A
100.0000 mA [9]
3 Hz-5 Hz
5 Hz-10 Hz
3 Hz-5 Hz
5 Hz-10 Hz
10 Hz-5 kHz
1.00 + 0.04
0.30 + 0.04
1.00 + 0.5
0.30 + 0.5
0.10 + 0.5
1.00 + 0.04
0.30 + 0.04
1.00 + 0.5
0.30 + 0.5
0.10 + 0.5
1.00 + 0.04
0.30 + 0.04
1.00 + 0.5
0.30 + 0.5
0.10 + 0.5
0.100 + 0.006
0.035 + 0.006
0.100 + 0.006
0.035 + 0.006
0.015 + 0.006
slow AC filter, sine wave input, and 6½ digits.
AC ranges and 1 ADC and AC current ranges
[6] Typically 30% of reading error at 1 MHz, limited to
[7] Accuracy for 4-wire ohms. Add 4 ohms uncertainty
(typ) for 2-wire ohms function due to conductor
Guide, Chapter 3. The series resistance of the
34923/24/25/33/34 limits the use of the 100 ohms
resistance range. Keysight recommends the use of
4-wire ohms for resistance measurements. For high
accuracy voltage measurements, select the DMM
input resistance setting of > 10 G ohms to minimize
the impact of relay contact resistance.
aperture (6 1/2 digits)
[9] Specified only for inputs > 10 mA. For AC filter
slow
error for the 34925A
impedance for the 100 V and 300 V ranges.
26 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
Additional Low Frequency Error
for ACV, ACI (% of reading)
Frequency AC Filter Slow AC Filter Medium AC Filter Fast
10 Hz- 20 Hz 0 0.74 –
20 Hz - 40 Hz 0 0.22 –
40 Hz - 100 Hz 0 0.06 0.73
100 Hz - 200 Hz 0 0.01 0.22
200 Hz - 1 kHz 0 0 0.18
> 1 kHz 0 0 0
Additional Error for Frequency,
Period (% of reading)
Aperture (Digits)
Frequency
3 Hz- 5 Hz 0 0.12 0.12
5 Hz - 10 Hz 0 0.17 0.17
10 Hz - 40 Hz 0 0.2 0.2
40 Hz - 100 Hz 0 0.06 0.21
100 Hz - 300 Hz 0 0.03 0.21
300 Hz - 1 kHz 0 0.01 0.07
> 1 kHz 0 0 0.02
Temperature measurement accuracy
Type Best range
Temperature
Thermocouple
includes cold
junction accuracy
B
E
J
K
N
R
S
T
1100°C to 1820°C
–150°C to 1000°C
–150°C to 1200°C
–100°C to 1200°C
–100°C to 1300°C
300°C to 1760°C
400°C to 1760°C
–100°C to 400°C
1.2°C
1.0°C
1.0°C
1.0°C
1.0°C
1.2°C
1.2°C
1.0°C
400°C to 1100°C
–200°C to –150°C
–210°C to –150°C
–200°C to –100°C
–200°C to –100°C
–50°C to 300°C
–50°C to 400°C
–200°C to –100°C
1.8°C
1.5°C
1.2°C
1.5°C
1.5°C
1.8°C
1.8°C
1.5°C
0.03°C
0.03°C
0.03°C
0.03°C
0.03°C
0.03°C
0.03°C
0.03°C
RTD Ro from
–200°C to 600°C 0.06°C 0.003°C
Thermistor 2.2 k, 5 k, 10 k –80°C to 150°C 0.08°C 0.002°C
27 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
Typical system speeds (Measurements made on a 3.2GHz PC running VB6 in Windows XP Pro)
Single Channel Reading times in msec
Direct measurements – direct to I/O
Direct measurement
to memory(GPIB)
Single channel GPIB
msec
msec
Measurement into
memory msec
Single channel, DCV 2.83 3.14 4.57 1.90
Single channel, ACV 5.00 5.35 5.75 4.00
Single channel, ohms 2.91 3.14 4.65 1.90
Single channel while changing
9.52 10.64 11.76 8.40
Single channel while changing
128 120 120 120
Command execution time [3]
34925A Open or Close
Read?
Close/Read/Open
Init/*WAI
Close/Init/Open
0.7
2.9
4.8
1.9
3.7
0.9
3.3
5.3
2.1
4.1
1.6
4.7
6.5
3
4.7
34923A Open or Close
Read?
Close/Read/Open
Init/*WAI
Close/Init/Open
0.9
2.9
5.3
1.9
4.2
1.2
3.3
5.8
2.1
4.7
1.8
4.7
6.5
3
5.2
34921A Open or Close
Read?
Close/Read/Open
Init/*WAI
Close/Init/Open
4.7
2.9
14
1.9
12.4
5
3. 3
15
2.1
14
5.3
4.7
15
3
14
34934A Close
Read?
Open
1.8
2.8
1.5
2.2
3.1
1.8
3.1
4.8
3.2
28 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
34934A Multi-channel close speeds over GPIB (msec)
mode
mode
mode
Close 2 channels 0.97 1.22 1.31
Close 5 channels 0.43 0.54 0.56
Close 10 channels 0.22 0.28 0.29
Close 60 channels 0.13 0.17 0.21
Single channel measurement rates–DMM reading rates
[1] [2]
Function Resolution Rds/s
DCV
3000
59
6
2-wire resistance
2000
58
6
Thermocouple
2000
59
RTD/Thermistor
1900
58
6
ACV
350
350
300
Frequency, period
70
9
1
autozero OFF
Direct measurements – direct to I/O
Measurement
into memory
Scanning channels
GPIB
ch/sec
ch/sec
ch/sec
Into memory
ch/sec
Scanning DCV or 2-wire ohms
34925A
34923A/24A
34921A/22A
920
588
109
860
572
109
980
605
109
1000
625
109
Scanning ACV [2]
34925A
34923A/24A
34921A/22A
318
260
88
315
260
88
323
260
88
318
260
88
Scanning temperature
34921A 109 109 109 109
Scanning digital in
34950A 660 592 815 1038
[2] Add additional time for filter setting on ACV
GPIB
rds/sec
rds/sec
rds/sec
Readings 2560 2400 3542
readings with timestamp 1304 1230 1826
readings with all format options ON 980 926 1361
29 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
DC voltage
Measurement method Continuously integrating multi-slope
III A-D converter
A-D linearity
range on 10 V range
Input resistance
100 mV, 1 V, 10 V ranges
100 V, 300 V ranges
Input bias current < 50 pA at 25°C
Input protection 300 V all ranges
True RMS AC voltage
Measurement method AC coupled True RMS—measures
the AC component of the input with
up to 300 VDC of bias on any range
Crest factor Maximum of 5:1 at full scale
Additional crest factor
AC Filter Bandwidth:
Slow
Medium
Fast
3 Hz - 300 kHz
20 Hz - 300 kHz
200 Hz - 300 kHz
Input impedance
Input protection 300 Vrms all ranges
Resistance
Measurement method Selectable 4-wire or 2-wire ohms
Current source referenced to LO input
Offset compensation
Maximum lead resistance
other ranges
Input protection 300 V on all ranges
Frequency and period
Measurement method Reciprocal counting technique
Voltage ranges Same as AC voltage function
Gate time 1 s, 100 ms, or 10 ms
Measurement timeout Selectable 3 Hz, 20 Hz, 200 Hz LF limit
Measurement characteristics with optional internal DMM
Measurement Consideration (Frequency and Period)
All frequency counters are susceptible to error when measuring low-volt-
age, low-frequency signals. Shielding inputs from external noise pickup is
critical for minimizing measurement errors.
DC current
Shunt resistance
Input protection 1A 250 V fuse on 34921A module
True RMS AC current
Measurement method Direct coupled to the fuse and shunt.
AC coupled True RMS measurement
Shunt resistance
Input protection 1A 250 V fuse on 34921A module
Thermocouple
Conversion ITS-90 software compensation
Reference junction type
Open thermocouple check
Thermistor 44004, 44007, 44006 series
RTD
DC CMRR
AC CMRR
140 dB
70 dB
Integration time Normal mode rejection
< 1 plc
105 dB [3]
100 dB [3]
95 dB [3]
90 dB [3]
85 dB
60 dB
0 dB
30 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
Measurement characteristics with optional
internal DMM (continued)
DC operating characteristics
Function Digits Readings/s Additional RMS
noise error
DCV [7], DCI, and
6½
6½
5½
5½
4½
4½
300
600
3000
[6]
[6]
[6]
Autozero OFF operation
Following instrument warm-up at calibration temerature ±1°C and <10
Settling considerations
Reading settling times are affected by source impedance, low dielectric
absorption characteristics, and input signal changes.
AC operating characteristics
Function Digits Readings/s
ACV, ACI: 6½
6½
6½
6½
7 sec/reading
1
8 [10]
100 [11]
delay required when input DC level varies
Scanning inputs
Analog: 34921A, 34922A, 34923A, 34924A, and
34925A multiplexer channels
Digital: 34950A/52A digital in and totalize
Scan triggering
Source Interval, external, button press, software,
or on monitor channel alarm
Scan count 1 to 50,000 or continuous
Scan interval 0 to 99 hours; 1ms step size
Channel delay 0 to 60 seconds per channel; 1 ms step size
External trig delay < 2 ms. With monitor on < 200 ms
External trig jitter < 2 ms
Alarms
Analog inputs Hi, Lo, or Hi + Lo evaluated each scan
Digital inputs 34950A/52A digital in maskable pattern
match or state change
34950A/52A frequency and totalize:
Hi limit only
Monitor channel Alarm evaluated each reading
Alarm outputs 4 TTL compatible
Selectable TTL logic Hi or Lo on fail
Latency
Memory
Type Volatile
Readings 500,000 with timestamp, readable during scan
States 5 instrument states with user label
Alarm queue Up to 20 events with channel number, reading,
and timestamp
System features
Per-channel math
Min/max/average time
Individual Mx+B scaling and calculated real
Power fail recovery Save switch states
Relay maintenance Counts each relay closure and stores on
module User resettable
Real-time clock Battery-backed, 20-year typical life
31 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
Power supply
Power line frequency
Power consumption 150 VA
Operating environment Full accuracy for 0 °C to 55 °C
IEC 60664-1 pollution degree 1
Storage environment –40°C to 70°C [1]
Mainframe dimensions
Full rack, 3 units high
Mainframe weight
Module dimensions
Module weights
Terminal block dimensions
Terminal block weights
Safety conforms to CSA, UL/IEC/EN 61010-1
EMC conforms to IEC/EN 61326-1, CISPR 11
Warranty 1 year
Software
Keysight connectivity software included
PC hardware Intel Pentium 100 MHz, 64 Mbyte RAM,
210 Mbyte disk space
Display 800 x 600, 256 colors, CD-Rom drive
Operating system [2] Windows 98 SE/NT/2000/XP
Computer interfaces Standard LAN 10BaseT/100BaseTx
Standard USB 2.0
IEEE 488.2 GPIB
Software driver support for programming languages
Software drivers: IVI-C and IVI COM for Windows NT/2000/
XP LabVIEW
Compatible with programming tools and environments:
Keysight VEE Pro, Keysight T&M Toolkit
National Instruments Test Stand,
Measurement Studio, LabWindows/CVI,
LabVIEW, Switch Executive
Microsoft Visual Studio.NET, C/C++,
Visual Basic 6
Operating system: Windows 2000 SP4, XP SP 2
Controller: Recommend Pentium 4, 800 MHz or greater,
Min: Pentium III, 500 MHz
RAM: Recommend 256 MB or greater, Min 128 MB
Disk Space: Recommend 200 MB, Min 100 MB
Display: 1024x768 resolution, 256 colors
Computed channels using + - */, dB, dBm, dBV,
x2, x and full, ½ , or ¼ bridge strain
Graphical Displays Real-time and historical data displays Add,
with markers and alarm indication, bar and
scatter charts, Histogram with statistics, Bar
meter, and Data table
Graphical Controls Sliders, switches, buttons, and LED lights
Alarm / Limit testing Start/Stop scanning on alarm condition
Control 34903A relay state or 34907A digital
output on alarm
Data
Copy data or graphics to windows clipboard
Export your selected data to .CVS, .XML, or
TXT formats
Event logging Automatic entry of alarms and errors
Windows 98 SE support
otherwise stated, and after a 45 minute warm-up period.
otherwise noted.
product warranty. Characteristics are often referred to as Typical
–
temperature range. Typical performance is not warranted.
–
useful in the application of the product when operated over
is not warranted.
NOTE: All graphs contain measured data from several units at
room temperature unless otherwise noted.
32 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
Ordering Instructions
34980A Multifunction switch/measure mainframe Comes standard with “DMM” option, BenchLink Data Logger Software,
User Guide on CD-ROM, Power cord and quickstart package.
34832A BenchLink Data Logger Pro Software Optional software package that adds limit checking and decision making for more
complex applications.
Description
Module
connectors
Multiplexer modules
34921A 40-channel armature multiplexer w/low thermal offset
2 – 50-pin Dsub, Male 3492xT Terminal block with screw connectors
Y1135A – 1.5 m 50-pin M/F Dsub cable
Y1136A – 3 m 50-pin M/F Dsub cable
Y1139A – 50-pin female solder cup connector kit
34923A 40/80-channel reed multiplexer
34925A 40/80-channel optically isolated FET multiplexer
34922A 70-channel armature multiplexer 2 – 78-pin Dsub, Male 3492xT Terminal block, option 001 for solder
connections, option 002 for screw connectors
Y1137A – 1.5 m 78-pin M/F Dsub cable
Y1138A – 3 m 78-pin M/F Dsub cable
Y1140A – 78-pin female solder cup connector kit
34924A 70-channel reed multiplexer
Matrix modules
34931A Dual 4x8 armature matrix 2 – 50-pin Dsub, Male 3493xT Terminal block with screw connectors
Y1135A – 1.5 m 50-pin M/F Dsub cable
Y1136A – 3 m 50-pin M/F Dsub cable
Y1139A – 50-pin female solder cup connector kit
34932A Dual 4x16 armature matrix
34933A Dual/quad 4x8 reed matrix
34934A Quad 4x32 reed matrix 2-78-pin Dsub, Male 34934T Terminal block with screw connectors
Y1134A – Row expansion cables for 34934C and 34934T
Y1137A – 1.5 m 78-pin M/F Dsub cable
Y1138A – 3 m 78-pin M/F Dsub cable
Y1140A – 78-pin female solder cup connector kit
General purpose/actuator modules
34937A 32-channel Form C/Form A general-purpose switch 2 – 50-pin Dsub, Male 3493xT Terminal block with screw connectors
Y1135A – 1.5 m 50-pin M/F Dsub cable
Y1136A – 3 m 50-pin M/F Dsub cable
Y1139A – 50-pin female solder cup connector kit
34938A 20-channel 5-amp Form A switch
34939A 64-channel Form A Switch 2 - 78-pin Dusb, Male 34939T Terminal block with screw connectors
Y1137A – 1.5 m 78-pin M/F Dsub cable
Y1138A – 3 m 78-pin M/F Dsub cable
Y1140A – 78-pin female solder cup connector kit
33 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
Ordering Instructions (continued)
RF and microwave modules
34941A Quad 1x4 50-ohm 3-GHz RF multiplexer 20 – SMA Requires standard 50 ohm SMA RF cables, and optional
8710-2576 SMA Extender wrench for connecting SMA
connectors
34942A Quad 1x4 75-ohm 1.5 GHz RF multiplexer 20 – Mini SMB Requires mini 75 ohm SMB RF cables, adapters
34945A Microwave switch/attenuator driver N/A Requires 34945EXT and optional Y1150A-Y1155A
34946A Dual 1x2 SPDT terminated microwave switch
Option 001: No switches installed
Option 004: 4 GHZ switches installed
Option 020: 20 GHz switches installed
Option 026: 26.5 GHz switches installed
6 SMA Requires standard 50 ohm SMA cables and adapters
8710-2576 SMA Extender for connecting SMA connectors
Option 001 supports qty 2 of any of the
following switches:
N1810UL unterminated SPDT
N1810TL terminated SPDT
N1811TL terminated 4 port transfer
N1812UL unterminated 5 port transfer
34947A Triple 1x2 ww unterminated microwave switch
Option 001: No switches installed
Option 004: 4 GHZ switches installed
Option 020: 20 GHz switches installed
Option 026: 26.5 GHz switches installed
9 SMA Requires standard 50 ohm SMA cables and adapters
8710-2576 SMA Extender for connecting SMA connectors
Option 001 supports qty 3 N1810UL unterminated
SPDT switches
System measurement and control modules
34950A 64-bit digital I/O with memory and counter 2 – 78-pin Dsub, Female 3495xT Terminal block with screw connectors
Y1137A – 1.5 m 78-pin M/F Dsub cable
Y1138A – 3 m 78-pin M/F Dsub cable
Y1142A – 78-pin male solder cup connector kit
34951A 4-channel isolated D/A converter with waveform
1 – 50-pin Dsub, Female 3495xT Terminal block with screw connectors
Y1135A – 1.5 m 50-pin M/F Dsub cable
Y1136A – 3 m 50-pin M/F Dsub cable
Y1141A – 50-pin male solder cup connector kit
34952A Multifunction module with 32-bit DIO, 2-ch D/A
and totalizer
34959A Breadboard module 26- & 40-pin internal
ribbon cable connectors
Any terminal block can be used assuming
50- or 78-pin Dsub is used
Accessories
Y1130A
Y1131A
Y1132A Module extender for 34980A. Extends cable to locate module outside of main-
frame 8710-2576 SMA Extender for connecting SMA connectors.
used for discrete wiring. Supports 20 AWG wire for <100 connections and 24 AWG
for >100 connections.
3492xT Multiplexer terminal blocks
3493xT Matrix and GP terminal blocks
3495xT Measurement and control terminal blocks
used for direct cable connection to module. some modules require 2 cables
Y1134A Row expansion cables for 34934C and 34934T
Y1135A 1.5 m 50-pin Dsub, M/F twisted pair with outer shield cable – 300 V
Y1136A 3 m 50-pin Dsub, M/F twisted pair with outer shield cable – 300 V
Y1137A 1.5 m 78-pin Dsub, M/F twisted pair with outer shield cable – 300 V
Y1138A 3 m 78-pin Dsub, M/F twisted pair with outer shield cable – 300 V
Rack kit
34 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
used for direct cable connection to module. some modules require 2 cables
Y1135A 1.5 m 50-pin Dsub, M/F twisted pair with outer shield cable – 300 V
Y1136A 3 m 50-pin Dsub, M/F twisted pair with outer shield cable – 300 V
Y1137A 1.5 m 78-pin Dsub, M/F twisted pair with outer shield cable – 300 V
Y1138A 3 m 78-pin Dsub, M/F twisted pair with outer shield cable – 300 V
Connector kits used to build custom cables
Y1139A Solder cup connector kit for 34921/23/25/31/32/33/37/38 –50-pin Dsub
female – 125 V
Y1140A Solder cup connector kit for 34922, 34924 – 78-pin Dsub female – 60 V
Y1141A Solder cup connector kit for 34951, 34952 – 50-pin Dsub male – 125 V
Y1142A Solder cup connector kit for the 34950A – 78-pin Dsub male – 60 V
distribution boards required for control of external switches. One 34945EXT is
34945EXT External driver for 34945A, one required for each 64 coils –holds 4 distribution
boards. Order Y1157A-Y1159A cable kits to connect from distribution boards to
switches and attenuators.
Y1150A 34945EXT distribution board for 8 N181x SPDT switches
Y1151A 34945EXT distribution board for two 87104x/106x L7x0xx multiport or
87406B matrix switches
Y1152A 34945EXT distribution board for one 87204x/206x or 87606B switch and
two N181x switches
Y1153A 34945EXT distribution board for two 84904/5/6/7/8 or 8494/5/6 step
attenuators
Y1154A 34945EXT distribution board for two 87222, L7222C transfer switches and six
N181x SPDT switches
Y1155A 34945EXT distribution board w/ generic screw terminals for driving 16 switch
coils
Y1157A 9-to-10 pin cable kit for Y1150A, Y1152A, Y1154A - supplies to build 4 cables
Y1158A 10-to-10/10-to-14 pin cable kit for Y1153A, Y1154A - supplies to build 2 cables
Y1159A 1 6-to-16 pin cable kit for Y1150A/51A/52A/53A/54A/55A - supplies to build
2 cables
Thermocouples/thermistors
34307A 10 pack of J type thermocouples
34308A 5 pack of 10 k thermistors
For additional information please visit:
Connector kit
35 | Keysight | 34980A Multifunction Switch/Measure Unit - Data Sheet
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