3

3 - 145

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

Pad Number

Function

Description

Interface Schematic

1RFIN

This pad is AC coupled and matched to

50 Ohms.

2RFOUT

This pad is AC coupled and matched to

50 Ohms.

3Vdd

Power Supply Voltage for the amplifier. See assembly for

required external components.

4Vgg

Gate control for amplifier. Please follow “MMIC Amplifier

Biasing Procedure” application note. See assembly for

required external components.

Die Bottom

GND

Die bottom must be connected to RF/DC ground.

Pad Descriptions

HMC-ABH209

v02.0209

GaAs HEMT MMIC MEDIUM POWER

AMPLIFIER, 55 - 65 GHz