Model: PS-85M4G-8B-SFF


PMI Model No. PS-85M4G-8B-SFF is a 0.085 to 4.0 GHz, Digitally Controlled Analog Phase Shifter with capability for phase shifting from 0° to 360°.  The unit consists of an analog phase shifter and a digital to analog converter.  Eight logic input lines allow 256 discrete values of phase.

Quick Links: (click the links below for additional information)
Product Feature

Test Report

Unit Data


S2P Files



Frequency Range 85 MHz to 4.0 GHz
Control 8-Bit TTL
Insertion Loss 13 dB max. - Measured 10.3 dB
Phase Shift Range 360° typ.
Amplitude Error ±1.0 dB max. - Measured ±1.6 dB
Phase Shift Error ±10° max. - Measured +11.4°/ -11°
Switching Speed 500 ns max. - Measured <300 ns
Power Supply

+15 V @ 250 mA typ - Measured 251 mA
-15 V @ 20 mA typ - Measured 38 mA

Size 4.95" x 3.38" x 1.00"
RF Connectors SMA (F)
Control Connector 15 Pin Sub-D (male)
Temperature 0 ºC to +50 ºC
Finish Painted Blue

Environmental Ratings:

Temperature:  -55 ºC to +85 ºC Operating
 -65 ºC to +125 ºC Non-Operating
 Humidity:  MIL-STD-202F, Method 103B Cond. B
 Shock:  MIL-STD-202F, Method 213B Cond. B
 Vibration:  MIL-STD-202F, Method 204D Cond. B
 Altitude:  MIL-STD-202F, Method 105C Cond. B
 Temperature Cycle:  MIL-STD-202F, Method 107D Cond. A