Model: DTA-22G28G-50-CD-1

 

PMI Model DTA-22G28G-50-CD-1 is a 50 dB monotonic programmable attenuator with 11-bit resolution that provides a step size of 0.025 dB. It has also been designed to have very low insertion loss over the frequency range of 22.5 to 27.5 GHz.


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Product Feature

Test Report

 

Unit Data

  PL21717

 

Specifications:

Frequency Range 22.5 to 27.5 GHz
Insertion Loss 2.2 dB Max - Measured 3.29 dB
Max Input Power 10 mW (CW or Peak)
VSWR 2.2:1 Max - Measured 1.8:1
Attenuation Range 1 to 51.175 dB
Number of Bits 11-Bits (2048 Steps)
Max Step Size 0.04 dB
Power Supply +15 V @100 mA Max - Measured 25 mA
Power Supply Rejection 0.1 dB/Volt Max - Measured 0.0 dB/Volt
Attenuation Accuracy

± 1.0 dB Max -

Measured:

0 to 10 dB: ± 0.14 dB

10 to 30 dB :-0.05 dB

30 to 50 dB: 0.12 dB

Flatness

@ 20 dB:  ± 1.0 dB Max - Measured ±0.51 dB

@ 50 dB:  ± 2.0 dB Max - Measured ±0.58 dB

Switching Speed 500 ns Max - Measured 450 ns
RF Connectors 2.92mm Female Input and Output
Data Control Input True Binary (Not BDC)
TTL Logic Levels
Latch Logic 1: Data Transparent
Logic 0: Data Locked
Size 1.8" x 1.15" 0.4"

Environmental Ratings:

Temperature:  -40 ºC to +85 ºC Operating
 -54 ºC to +100 ºC Non-Operating
 Humidity: 95% Max
 Shock:  MIL-STD-202G, Method 213B Cond. B
 Vibration:  MIL-STD-202G, Method 204D Cond. B
 Altitude:  MIL-STD-202G, Method 105C Cond. B
 Temperature Cycle:  MIL-STD-202G, Method 107D Cond. A