MICROWAVE CORPORATION

14 - 174

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12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373

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14

Pin Number

Function

Description

Interface Schematic

1, 3, 5, 7, 12,

14, 16, 18,

21, 23

GND

Package bottom has exposed metal paddle that must also be

connected to PCB RF ground.

2, 4, 6, 13, 15,

17, 19, 22, 24

RF1 - RF8

& RFC

This pin is DC coupled and matched to 50 Ohm. Blocking

capacitors are required.

8

VDD

Supply Voltage +5V ± 10%

9

CTLC

See truth table and control voltage table.

10

CTLB

See truth table and control voltage table.

11

CTLA

See truth table and control voltage table.

20

N/C

This pin should be connected to PCB RF ground to

maximize isolation.

HMC321LP4

GaAs MMIC SP8T NON-REFLECTIVE

POSITIVE CONTROL SWITCH, DC - 8.0 GHz

v02.0604

Pin Descriptions