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For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
VCOS - SMT
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General Description
Features
Functional Diagram
The HMC532LP4 & HMC532LP4E are GaAs InGaP
Heterojunction Bipolar Transistor (HBT) MMIC VCOs
with integrated resonators, negative resistance
devices, varactor diodes, and buffer ampli ers.
Covering 7.1 to 7.9 GHz, the VCO’s phase noise
performance is excellent over temperature, shock
and vibration due to the oscillator’s monolithic struc-
ture. Power output is +14 dBm typical from a single
supply of +3V @ 85 mA. The voltage controlled
oscillator is packaged in a leadless QFN 4 x 4 mm
surface mount package.
Pout: +14 dBm
Phase Noise: -103 dBc/Hz @100 KHz
No External Resonator Needed
Single Supply: +3V @ 85 mA
24 Lead 4x4mm QFN Package: 9 mm
Typical Applications
Low noise MMIC VCO w/Buffer Ampli er for:
• VSAT Radio
• Point to Point/Multipoint Radio
• Test Equipment & Industrial Controls
• Military End-Use
Electrical Speci cations, TA = +25° C, Vcc = +3V
Parameter Min. Typ. Max. Units
Frequency Range 7.1 - 7.9 GHz
Power Output 12 14 17 dBm
SSB Phase Noise @ 100 kHz Offset, Vtune= +5V @ RF Output -101 dBc/Hz
Tune Voltage (Vtune) 1 13 V
Supply Current (Icc) (Vcc = +3V) 60 85 100 mA
Tune Port Leakage Current 10 µA
Output Return Loss 15 dB
Harmonics
2nd
3rd
-14
-25
dBc
dBc
Pulling (into a 2.0:1 VSWR) 28 MHz pp
Pushing @ Vtune= +5V 78 MHz/V
Frequency Drift Rate 0.85 MHz/°C
MMIC VCO w/ BUFFER
AMPLIFIER, 7.1 - 7.9 GHz
v01.0508
HMC532LP4 / 532LP4E
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
VCOS - SMT
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Frequency vs. Tuning Voltage, T= 25°C
Sensitivity vs. Tuning Voltage, Vcc= +3V
Typical SSB Phase Noise @ Vtune= +5VPhase Noise vs. Tuning Voltage
Frequency vs. Tuning Voltage, Vcc= +3V
Output Power vs.
Tuning Voltage, Vcc= +3V
5.5
6
6.5
7
7.5
8
8.5
012345678910111213
2.85V
3.00V
3.15V
FREQUENCY (GHz)
TUNING VOLTAGE (VOLTS)
MMIC VCO w/ BUFFER
AMPLIFIER, 7.1 - 7.9 GHz
v01.0508
HMC532LP4 / 532LP4E
0
100
200
300
400
500
600
012345678910111213
+25C
+85C
-40C
SENSITIVITY (MHz/VOLT)
TUNING VOLTAGE (VOLTS)
6
8
10
12
14
16
18
20
012345678910111213
+25C
+85C
-40C
OUTPUT POWER (dBm)
TUNING VOLTAGE (VOLTS)
-160
-140
-120
-100
-80
-60
-40
-20
0
103104105106107
+25C
+85C
-40C
SSB PHASE NOISE (dBc/Hz)
OFFSET FREQUENCY (Hz)
-120
-100
-80
-60
-40
-20
0
012345678910111213
10kHz offset
100kHz offset
SSB PHASE NOISE (dBc/Hz)
TUNING VOLTAGE (VOLTS)
5.5
6
6.5
7
7.5
8
8.5
012345678910111213
+25C
+85C
-40C
FREQUENCY (GHz)
TUNING VOLTAGE (VOLTS)
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
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Absolute Maximum Ratings
Outline Drawing
Vcc +3.5 Vdc
Vtune 0 to +15V
Channel Temperature 135 °C
Continuous Pdiss (T = 85°C)
(derate 6.07 mW/°C above 85°C) 303 mW
Thermal Resistance
(junction to ground paddle) 165 °C/W
Storage Temperature -65 to +150 °C
Operating Temperature -40 to +85 °C
ESD Sensitivity (HBM) Class 1A
Typical Supply Current vs. Vcc
Note: VCO will operate over full voltage range shown above.
Vcc (V) Icc (mA)
2.75 74
3.0 85
3.25 96
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
NOTES:
1. LEADFRAME MATERIAL: COPPER ALLOY
2. DIMENSIONS ARE IN INCHES [MILLIMETERS]
3. LEAD SPACING TOLERANCE IS NON-CUMULATIVE.
4. PAD BURR LENGTH SHALL BE 0.15mm MAXIMUM.
PAD BURR HEIGHT SHALL BE 0.05mm MAXIMUM.
5. PACKAGE WARP SHALL NOT EXCEED 0.05mm.
6. ALL GROUND LEADS AND GROUND PADDLE MUST BE
SOLDERED TO PCB RF GROUND.
7. REFER TO HITTITE APPLICATION NOT FOR SUGGESTED
LAND PATTERN.
Part Number Package Body Material Lead Finish MSL Rating Package Marking [3]
HMC532LP4 Low Stress Injection Molded Plastic Sn/Pb Solder MSL1 [1] H532
XXXX
HMC532LP4E RoHS-compliant Low Stress Injection Molded Plastic 100% matte Sn MSL1 [2] H532
XXXX
[1] Max peak re ow temperature of 235 °C
[2] Max peak re ow temperature of 260 °C
[3] 4-Digit lot number XXXX
Package Information
MMIC VCO w/ BUFFER
AMPLIFIER, 7.1 - 7.9 GHz
v01.0508
HMC532LP4 / 532LP4E
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
VCOS - SMT
12
12 - 149
Pin Number Function Description Interface Schematic
1- 14, 17 - 19,
21, 23, 24 N/C No Connection
15 GND This pin must be connected to RF & DC ground. Package bottom
has an exposed metal paddle that must be RF & DC grounded.
16 RFOUT RF output (AC coupled)
20 Vcc Supply Voltage Vcc= 3V
22 VTUNE
Control Voltage Input. Modulation port bandwidth
dependent on drive source impedance. See “Determining the FM
Bandwidth of a Wideband Varactor Tuned VCO” application note.
Pin Descriptions
MMIC VCO w/ BUFFER
AMPLIFIER, 7.1 - 7.9 GHz
v01.0508
HMC532LP4 / 532LP4E
The circuit board used in the nal application should
use RF circuit design techniques. Signal lines
should have 50 ohm impedance while the package
ground leads and exposed paddle should be con-
nected directly to the ground plane similar to that
shown. A sufficient number of via holes should be
used to connect the top and bottom ground planes.
The evaluation circuit board shown is available from
Hittite upon request.
Evaluation PCB
List of Materials for Evaluation PCB 105706 [1]
Item Description
J1 - J2 PCB Mount SMA RF Connector
J3 - J4 DC Pin
C1 4.7 μF Tantalum Capacitor
C2 10,000 pF Capacitor, 0603 Pkg.
U1 HMC532LP4 / HMC532LP4E VCO
PCB [2] 105667 Eval Board
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350
