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Phone: 978-250-3343

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HMC997LC4

v00.0511

Variable Gain amplifier

17 to 27 GHz

pin Descriptions

pin number

function

Description

interface Schematic

1, 2, 6, 8, 10,

11, 13, 17, 18,

20, 21, 23

n/C

The pins are not connected internally: however all data

shown herein was measured with these pins connected

to rf/DC ground externally

3, 5, 14, 16

GnD

These pins and the exposed ground paddle must be

connected to rf/DC ground.

4

rfin

This pad is aC coupled

and matched to 50 Ohm.

7, 12

Vgg1, 2

Gate control for amplifier. adjust voltage to achieve typical

idd. please follow “mmiC amplifier biasing procedure”

application note.

9

Vctrl

Gain control Voltage for the amplifier. See assembly

diagram for required external components.

15

rfOUT

This pad is aC coupled

and matched to 50 Ohm.

19, 22, 24

Vdd1, 2, 3

Drain bias Voltage for the amplifier. See assembly diagram for

required external components