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Application Circuit

NOTE 1: Drain Bias (Vdd) must be applied through a broadband bias tee or external bias network.

Pin Number

Function

Description

Interface Schematic

5

RFIN

This pin is AC coupled

and matched to 50 Ohms.

15

Vgg1

Gate Control for amplifier. Adjust between -2 to 0V

to achieve Idd= 290 mA.

21

RFOUT & Vdd

RF output for amplifier. Connect the DC

bias (Vdd) network to provide drain current (Idd).

See application circuit herein.

30

Vgg2

Control voltage for amplifier. +3V should be applied to

Vgg2 for nominal operation.

Ground Paddle

GND

Ground paddle must be connected to RF/DC ground.

1 - 4, 6 - 14,

16 - 20, 22 - 29,

31, 32

N/C

No connection. These pins may be connected to RF ground.

Performance will not be affected.

Pin Descriptions

GaAs PHEMT MMIC

POWER AMPLIFIER, 2 - 20 GHz

v03.0308