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For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, 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

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Application Circuit

HMC943LP5E

v00.0910

GaAs pHEMT MMIC 1.5 WATT

POWER AMPLIFIER, 24 - 31.5 GHz

Pin Descriptions

Pin Number

Function

Description

Interface Schematic

1, 3, 5, 8, 9,

16, 17, 20, 22,

24, 25, 32

GND

These pins and package bottom must

be connected to RF/DC ground.

2, 6, 7, 14, 18,

19, 23, 27

N/C

These pins are not connected internally;however, all data

shown herein was measured with these pins connected to

RF/DC ground externally.

4

RFIN

RF signal input. This pad is AC coupled and matched

to 50 Ohms over the operating frequency range.

10, 31

VG1, VG2

Gate control for amplifier. External bypass capacitors

of 100 pF, 0.01 µF, and 4.7 µF are required on each.

11 - 13, 15,

26, 28 - 30

VD2, VD4, VD6,

VD8, VD7, VD5,

VD3, VD1

Drain bias for the amplifier. External bypass capacitors

of 100 pF, 0.01 µF, and 4.7 µF are required on each.

21

RFOUT

RF signal output. This pad is AC coupled and matched to

50 ohms over the operating frequency range.