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For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
DRIVER & GAIN BLOCK AMPLIFIERS - SMT
1
HMC634LC4
v03.0514
GaAs PHEMT MMIC DRIVER
AMPLIFIER, 5 - 20 GHz
General Description
Features
Functional Diagram
The HMC634LC4 is a GaAs PHEMT MMIC Driver
Amplier in a leadless 4 x 4 mm ceramic surface
mount package which operates between 5 and 20
GHz The amplier provides up to 21 dB of gain, +29
dBm Output IP3, and +22 dBm of output power at 1 dB
gain compression, while requiring 180 mA from a +5V
supply. The HMC634LC4 is an ideal driver amplier
for microwave radio applications from 5 to 20 GHz,
and may be biased at +5V, 130 mA to provide lower
gain with optimized PAE. The ampliers I/Os are DC
blocked and matched to 50 Ohms with no external
matching required.
Gain: 21 dB
P1dB: +22 dBm
Saturated Power: +23 dBm @ 17% PAE
Single Supply Voltage: +5V @180 mA
50 Ohm Matched Input/Output
24 Lead 4x4mm SMT Package: 16mm2
Electrical Specications, TA = +25° C, Vdd1-4= 5V, Idd= 180 mA [1]
Typical Applications
The HMC634LC4 is ideal for:
• Point-to-Point Radios
• Point-to-Multi-Point Radios & VSAT
• LO Driver for Mixers
• Military & Space
Parameter Min. Typ. Max. Min. Ty p. Max. Units
Frequency Range 5 - 16 16 - 20 GHz
Gain 18 21 17 20 dB
Gain Variation Over Temperature 0.025 0.035 0.020 0.030 dB/ °C
Input Return Loss 18 14 dB
Output Return Loss 14 13 dB
Output Power for 1 dB Compression (P1dB) 19 22 16 20 dBm
Saturated Output Power (Psat) 23 20.5 dBm
Output Third Order Intercept (IP3) 29 28 dBm
Noise Figure 7.5 7.5 dB
Supply Current (Idd) (Idd = Idd1 + Idd2 + Idd3 + Idd4)180 180 mA
[1] Adjust Vgg between -2 to 0V to achieve Idd= 180 mA Typical.
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
DRIVER & GAIN BLOCK AMPLIFIERS - SMT
2
HMC634LC4
v03.0514
GaAs PHEMT MMIC DRIVER
AMPLIFIER, 5 - 20 GHz
Input Return Loss vs. Temperature Output Return Loss vs. Temperature
Broadband Gain & Return Loss Gain vs. Temperature
P1dB vs. Temperature Psat vs. Temperature
-30
-20
-10
0
10
20
30
2 4 6 8 10 12 14 16 18 20 22 24
S11
S21
S22
RESPONSE (dB)
FREQUENCY (GHz)
0
5
10
15
20
25
30
2 4 6 8 10 12 14 16 18 20 22 24
+25 C
+85 C
-40 C
GAIN (dB)
FREQUENCY (GHz)
-30
-25
-20
-15
-10
-5
0
2 4 6 8 10 12 14 16 18 20 22 24
+25 C
-40 C
+85 C
RETURN LOSS (dB)
FREQUENCY (GHz)
-30
-25
-20
-15
-10
-5
0
2 4 6 8 10 12 14 16 18 20 22 24
+25 C
+85 C
-40 C
RETURN LOSS (dB)
FREQUENCY (GHz)
16
18
20
22
24
26
28
30
4 6 8 10 12 14 16 18 20 22
+25 C
+85 C
-40 C
P1dB (dBm)
FREQUENCY (GHz)
16
18
20
22
24
26
28
30
4 6 8 10 12 14 16 18 20 22
+25 C
+85 C
-40 C
Psat (dBm)
FREQUENCY (GHz)
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
DRIVER & GAIN BLOCK AMPLIFIERS - SMT
3
HMC634LC4
v03.0514
GaAs PHEMT MMIC DRIVER
AMPLIFIER, 5 - 20 GHz
Power Compression @ 12.5 GHz
Output IP3 vs. Temperature Noise Figure vs. Temperature
Gain & Power vs.
Supply Voltage @ 12.5 GHz Reverse Isolation vs. Temperature
Power Compression @ 20 GHz
0
5
10
15
20
25
30
-10 -8 -6 -4 -2 0 2 4 6
Pout (dBm)
Gain (dB)
PAE (%)
Pout (dBm), GAIN (dB), PAE (%)
INPUT POWER (dBm)
0
5
10
15
20
25
30
-10 -8 -6 -4 -2 0 2 4 6
Pout (dBm)
Gain (dB)
PAE (%)
Pout (dBm), GAIN (dB), PAE (%)
INPUT POWER (dBm)
16
20
24
28
32
36
2 4 6 8 10 12 14 16 18 20
+25 C
+85 C
-40 C
IP3 (dBm)
FREQUENCY (GHz)
20
21
22
23
24
25
4.5 4.7 4.9 5.1 5.3 5.5
Gain
P1dB
Psat
GAIN (dB), P1dB (dBm), Psat (dBm)
Vdd (V)
-80
-70
-60
-50
-40
-30
-20
-10
0
2 4 6 8 10 12 14 16 18 20 22 24
+25 C
+85 C
-40 C
ISOLATION (dB)
FREQUENCY (GHz)
0
4
8
12
16
6 8 10 12 14 16 18
+25 C
+85 C
-40 C
NOISE FIGURE (dB)
FREQUENCY (GHz)
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
DRIVER & GAIN BLOCK AMPLIFIERS - SMT
4
HMC634LC4
v03.0514
GaAs PHEMT MMIC DRIVER
AMPLIFIER, 5 - 20 GHz
Absolute Maximum Ratings
Drain Bias Voltage (Vdd1, Vdd2, Vdd3,
Vdd4) +5.5 Vdc
Gate Bias Voltage (Vgg) -3 to 0 Vdc
RF Input Power (RFIN)(Vdd = +5 Vdc) +10 d Bm
Channel Temperature 175 °C
Continuous Pdiss (T= 85 °C)
(derate 11.17 mW/°C above 85 °C) 1 W
Thermal Resistance
(channel to package bottom) 89.46 °C/W
Storage Temperature -65 to +150 °C
Operating Temperature -40 to +85 °C
Gain, Power & Output IP3
vs. Gate Voltage @ 12.5 GHz
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Vdd (V) Idd (mA)
4.5 177
5.0 180
5.5 183
Note: Amplier will operate over full voltage ranges shown above
Typical Supply Current vs. Vdd
15
20
25
30
35
90
120
150
180
210
-0.88 -0.84 -0.8 -0.76 -0.72
Gain
P1dB
Psat
IP3
Idd
GAIN (dB), P1dB (dBm), Psat (dBm), IP3 (dBm)
Idd (mA)
Vgg (V)
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
DRIVER & GAIN BLOCK AMPLIFIERS - SMT
5
HMC634LC4
v03.0514
GaAs PHEMT MMIC DRIVER
AMPLIFIER, 5 - 20 GHz
Outline Drawing
NOTES:
1. PACKAGE BODY MATERIAL: ALUMINA
2. LEAD AND GROUND PADDLE PLATING: 30-80
MICROINCHES GOLD OVER 50 MICROINCHES MINIMUM NICKEL.
3. DIMENSIONS ARE IN INCHES [MILLIMETERS].
4. LEAD SPACING TOLERANCE IS NON-CUMULATIVE.
5. PACKAGE WARP SHALL NOT EXCEED 0.05mm DATUM -C-
6. ALL GROUND LEADS AND GROUND PADDLE MUST
BE SOLDERED TO PCB RF GROUND.
Package Information
Part Number Package Body Material Lead Finish MSL Rating Package Marking [2]
HMC634LC4 Alumina, White Gold over Nickel MSL3 [1] H634
XXXX
[1] Max peak reow temperature of 260 °C
[2] 4-Digit lot number XXXX
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
DRIVER & GAIN BLOCK AMPLIFIERS - SMT
6
HMC634LC4
v03.0514
GaAs PHEMT MMIC DRIVER
AMPLIFIER, 5 - 20 GHz
Pin Descriptions
Pin Number Function Description Interface Schematic
1, 5 - 8,
10 - 14, 18,
21, 23
N/C
The pins are not connected internally; however, all data
shown herein was measured with these pins connected to
RF/DC ground externally.
2, 4, 15, 17 GND Package Bottom must
be connected to RF/DC ground.
3RFIN This pin is AC coupled
and matched to 50 Ohms.
9Vgg
Gate control for amplier, please follow “MMIC Amplier
Biasing Procedure” Application Note: See application
circuit for required external components.
16 RFOUT This pin is AC coupled
and matched to 50 Ohms.
24, 22,
20, 19
Vdd1, Vdd2,
Vdd3, Vdd4
Power Supply Voltage for the amplier. See application
circuit for required external components.
Component Value
C1 - C5 100 pF
C6 - C10 1000 pF
C11 - C15 2.2 µF
Application Circuit
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
DRIVER & GAIN BLOCK AMPLIFIERS - SMT
7
HMC634LC4
v03.0514
GaAs PHEMT MMIC DRIVER
AMPLIFIER, 5 - 20 GHz
Evaluation PCB
The circuit board used in the application should use
RF circuit design techniques. Signal lines should
have 50 Ohm impedance while the package ground
leads and exposed paddle should be connected
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 board should be mounted to an appro-
priate heat sink. The evaluation circuit board shown
is available from Hittite upon request.
List of Materials for Evaluation PCB 115857 [1]
Item Description
J1 - J2 2.92 mm PC Mount K-Connector
VD1 - VD4 DC Pin
C1 - C5 100 pF Capacitor, 0402 Pkg.
C6 - C10 1000 pF Capacitor, 0603 Pkg.
C11 - C15 2.2 µF Capacitor, Tantalum
U1 HMC634LC4 Driver Amplier
PCB [2] 115855 Evaluation PCB
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
DRIVER & GAIN BLOCK AMPLIFIERS - SMT
8
HMC634LC4
v03.0514
GaAs PHEMT MMIC DRIVER
AMPLIFIER, 5 - 20 GHz