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The CMD297 is an analog phase shifter die

which operates from 5 to 18 GHz. The phase

shifter utilizes a single positive control voltage

of 0V to +10V to control relative phase shift

over a 550 degree range at 7 GHz and a 240

degree range at 12 GHz. The CMD297 has

consistent insertion loss versus phase shift and

the phase shift is monotonic with respect to

control voltage. The phase shifter is a 50 ohm

matched design which eliminates the need for

external DC blocks and RF port matching. The

CMD297 offers full passivation for increased

reliability and moisture protection.

► Wide bandwidth

► Wide phase shift range

► Single positive control voltage

► Small die size

Features

Description

Functional Block Diagram

ver 1.0 1218

Parameter

Min

Typ

Max

Units

Frequency Range

5 - 18

GHz

Phase Shift Range

240

degrees

Insertion Loss

3

dB

Input Return Loss

10

dB

Output Return Loss

10

dB

Phase Voltage Sensitivity

24

deg / Volt

CMD297

5-18 GHz Analog Phase Shifter

1

2

3

RFIN

RFOUT

Vctrl