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Pin Descriptions

Pin Number

Function

Description

Interface Schematic

1, 3, 5 - 7, 12 - 14,

16, 18, 19, 24

GND

These pins and package bottom must be

connected to RF/DC ground.

2, 8 - 11,

17, 23

N/C

This pin may be connected to RF/DC ground.

Performance will not be affected.

4RFIN

This pin is AC coupled

and matched to 50 Ohms.

15

RFOUT

This pin is AC coupled

and matched to 50 Ohms.

22, 21, 20

Vdd1, 2, 3

Power Supply Voltage for the amplifier. External bypass

capacitors of 100 pF, 1,000 pF and 2.2 μF are required.

Application Circuit

Component

Value

C1, C2, C3

100 pF

C4, C5, C6

1,000 pF

C7, C8, C9

2.2 μF

HMC751LC4

v00.0409

SMT PHEMT LOW NOISE

AMPLIFIER, 17 - 27 GHz