10

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10 - 12

Pin Number

Function

Description

Interface Schematic

1, 2, 17 - 24

N/C

No connection required. These pins may be connected to

RF/DC ground without affecting performance.

3, 5, 14, 16

GND

These pins and exposed ground paddle

must be connected to RF/DC ground.

4

RFIN

This port is matched to 50 Ohms.

6, 9, 11, 13

BIT3, BIT1,

BIT2, BIT4

Non-Inverted Control Input. See truth table

and control voltage tables.

7, 8, 10, 12

BIT3, BIT1

BIT2, BIT4

Inverted Control Input. See truth table

and control voltage tables.

15

RFOUT

This port is matched to 50 Ohms.

Pin Descriptions

22.5° MMIC 4-BIT DIGITAL

PHASE SHIFTER, 8 - 12 GHz

v04.0709

HMC543LC4B

Application Circuit

This circuit converts a single line positive (0/+5V) control signal to complementary negative (0/-3V) control signals.