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

Order On-line at www.hittite.com

11

11 - 130

Pin Descriptions

Pin Number

Function

Description

Interface Schematic

1, 2, 4 - 9, 11,

12, 14, 15

N/C

This pin may be connected to RF/DC ground.

Performance will not be affected.

3RFIN

This pin is AC coupled and matched

to 50 Ohms from 5 - 20 GHz.

10

RFOUT

This pin is AC coupled and matched

to 50 Ohms from 5 - 20 GHz.

13

Vdd2

Power Supply Voltage for the amplifier. External bypass

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

16

Vdd1

Power Supply Voltage for the amplifier. External bypass

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

GND

Package bottom must be connected to RF/DC ground.

Component

Value

C1, C2

100 pF

C3, C4

1,000 pF

C5, C6

2.2 μF

Application Circuit

HMC451LC3

v04.1208

GaAs PHEMT MMIC MEDIUM

POWER AMPLIFIER, 5 - 20 GHz