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Programmable Attenuator: DTA-22G28G-50-CD-1

September 17, 2013
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DTA-22G28G-50-CD-1PMI 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.


Frequency Range

22.5 to 27.5GHz

Insertion Loss

2.2dB max

Max Input Power

10mw (CW or Peak)


2.2:1 max

Attenuation Range

1 to 51.175dB

Number of Bits

11-Bits (2048 Steps)

Max Step Size


Power Supply

+15V @100mA max

Power Supply Rejection

0.1dB/Volt max

Switching Speed

500nSec max

RF Connectors

2.92mm Female Input and Output

Data Control Input

True Binary (Not BDC)
TTL Logic Levels


Logic 1: Data Transparent
Logic 0: Data Locked


1.8" x 1.15" 0.4"

Environmental Ratings:


 -40ºC to +85 ºC Operating

 -54 ºC to +100 ºC Non-Operating


95% max


 MIL-STD-202G, Method 213B Cond. B


 MIL-STD-202G, Method 204D Cond. B


 MIL-STD-202G, Method 105C Cond. B

 Temperature Cycle:

 MIL-STD-202G, Method 107D Cond. A


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