Preliminary Product Listing

Model: DTA-400M2G-32-8B      


PMI Model No. DTA-400M2G-32-8B is an 8-Bit, programmable 32 dB pin diode attenuator with step resolution as low as 0.125dB over the frequency range of 400MHz to 2.0GHz.

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Product Feature


Frequency Range 400MHz to 2.0GHz
Mean Attenuation Range 32dB
Insertion Loss 4.0dB max
Return Loss -8.5dB max
Max Power Rating +20dBm min
The maximum total input power that the device can handle witouth adversely impacting the operating characteristics of the device
Attenuation Flatness ±0.5dB @ 10dB
±1.0dB @ 20dB

±1.5dB @ 40dB
±1.75dB @ 60dB
Accuracy of Attenuation 0dB to 30dB - ±0.5dB Typ
30dB to 50dB - ±0.75dB Typ
50dB to 60dB - ±1.0dB Typ
Switching Time 10usec typ
Digital Control 8 Bit Binary TTL
Input Tracking Attenuation must track input values monotonically.  When changing from one setting to another, the attenuation must remain between the starting attenuation and the final attenuation.
Power Supply +12VDC @ 155mA max (10.8VDC min and 13.2VDC max)
Pwr/Ctl Connectors 15 Pin Micro-D-Female (Mating connector supplied)
RF Connectors SMA(F)
Finish Painted Blue
Logic Input  
  Logic "0" (Bit Off) -0.3 to +0.8V
  Logic "1" (Bit On)  +2.0 to +5.0V

Environmental Ratings:

 Temperature:  -40ºC 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 107