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20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373

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Pad Number

Function

Description

Interface Schematic

1RFIN

This pad is AC coupled and matched to

50 Ohms.

2, 6

Vdd

Power Supply Voltage for the amplifier. See assembly for

required external components.

3, 5

Vgg

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

ing Procedure” application note. See assembly for required

external components.

4RFOUT

This pad is AC coupled and matched to

50 Ohms.

Die bottom

GND

Die bottom must be connected to RF/DC ground.

Pad Descriptions

HMC-ALH140

v02.0209

GaAs HEMT MMIC LOW NOISE

AMPLIFIER, 24 - 40 GHz