2

2 - 70

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

HMC-AUH256

v01.0208

GaAs HEMT MMIC DRIVER

AMPLIFIER, 17.5 - 41.0 GHz

Pad Number

Function

Pad Description

Interface Schematic

1

RFIN

This pad is AC coupled and matched to 50 Ohms.

2 - 5

Vdd1-4

Power supply voltage for amplifier. See Assembly Diagram

for required external components.

6

RFOUT

This pad is AC coupled and matched to 50 Ohms.

7 - 10

Vgg1-4

Gate control for amplifier. Please follow “MMIC Amplifier Bias-

ing Procedure” application note. See assembly for required

external components.

Die Bottom

GND

Die Bottom must be connected to RF/DC ground.

Pad Descriptions