HMC659
v02.0217
GaAs PHEMT MMIC
POWER AMPLIFIER, DC - 15 GHz
Pad Descriptions
Pad Number
Function
Description
Interface Schematic
This pad is DC coupled and matched
to 50 Ohms. Blocking capacitor is required.
1
IN
Gate control 2 for amplifier. Attach bypass
capacitor per application circuit herein. For nominal
operation +3V should be applied to Vgg2.
2
3
Vgg2
Low frequency termination. Attach bypass
capacitor per application circuit herein.
ACG1
ACG2
Low frequency termination. Attach bypass
capacitor per application circuit herein.
4
RF output for amplifier. Connect DC bias (Vdd) network to
provide drain current (Idd). See application circuit herein.
5
7
OUT & Vdd
ACG3
Low frequency termination. Attach bypass
capacitor per application circuit herein.
Gate control 1 for amplifier. Attach bypass
capacitor per application circuit herein. Please
follow “MMIC Amplifier Biasing Procedure”
application note.
6
Vgg1
GND
Die Bottom
Die bottom must be connected to RF/DC ground.
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
6
Application Support: Phone: 1-800-ANALOG-D