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
AMPLIFIERS - DRIVER & GAIN BLOCK - SMT
1
HMC635LC4
v01.0514
GaAs PHEMT MMIC DRIVER
AMPLIFIER, 18 - 40 GHz
General Description
Features
Functional Diagram
The HMC635LC4 is a GaAs PHEMT MMIC Driver
Amplier die which operates between 18 and 40
GHz. The amplier provides 18.5 dB of gain, +27
dBm Output IP3, and +22 dBm of output power at 1
dB gain compression, while requiring 280 mA from a
+5V supply. Ideal as a driver amplier for microwave
radio applications, or as an LO driver for mixers
operating between 18 and 40 GHz, the HMC635LC4
is capable of providing up to +23.5 dBm of saturated
output power at 15% PAE. The amplier’s I/Os are DC
blocked and internally matched to 50 Ohms making it
ideal for integration into Multi-Chip-Modules (MCMs).
Gain: 18.5 dB
[2]
P1dB: +22 dBm
[2]
Output IP3: +27 dBm
Saturated Power: +23.5 dBm @ 15% PAE
[2]
Supply Voltage: +5V @ 280 mA
50 Ohm Matched Input/Output
24 Lead Ceramic 4x4mm SMT Package: 16mm
2
Electrical Specications
T
A
= +25° C, Vdd= Vdd1, 2, 3, 4 = +5V, Idd= Idd1 + Idd2 + Idd3 + Idd4 = 280mA
[1]
Typical Applications
The HMC635LC4 is ideal for:
• Point-to-Point Radios
• Point-to-Multi-Point Radios & VSAT
• LO Driver for Mixers
• Military & Space
Parameter Min. Typ. Max. Min. Typ. Max. Units
Frequency Range 18 - 36 36 - 40 GHz
Gain
[2]
15 18.5 15 17.5 dB
Gain Variation Over Temperature 0.045 0.06 0.045 0.06 dB/ °C
Input Return Loss 13 7 dB
Output Return Loss 10 7 dB
Output Power for 1 dB Compression (P1dB)
[2]
19 22 16 21 dBm
Saturated Output Power (Psat)
[2]
23.5 21.5 dBm
Output Third Order Intercept (IP3) 22 27 21 26 dBm
Noise Figure
[2]
7 7 dB
Total Supply Current (Idd1 + Idd2 + Idd3 + Idd4) 280 280 mA
[1] Adjust Vgg1 = Vgg2 between -2 to 0V to achieve Idd= 280 mA Typical.
[2] Board loss subtracted out for gain, power and noise gure measurements.
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
For price, delivery, and to place orders: Analog Devices, Inc.,
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
