Preliminary Product Listing

Model: DTA-18G20G-45-8D


PMI Model No. DTA-18G20G-45-8D is a non-reflective 8-Bit programmable 45 dB, pin diode attenuator with step resolution as low as 0.25 dB over the frequency range of 18.0 to 20.0 GHz.  This model is offered in a slim line housing measuring only 0.5" height.


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Product Feature


Frequency Range 18.0 to 20.0 GHz
Mean Attenuation Range 45 dB
Insertion Loss 6.0 dB typ., 7.0 dB max.
VSWR 2.2:1 max.

Up to 10 dB: ±1 dB typ
Up to 20 dB: ±1.5 dB typ

Up to 45 dB: ±2 dB typ

Attenuation of Accuracy

0 dB to 10 dB: ±0.5 dB typ
10 dB to 20 dB: ±0.75 dB typ

20 dB to 45 dB: ±1.0 dB typ

Repeatability of attenuation setting @ any given temperature ±0.2 dB
Minimum Attenuation Step 0.25 dB
Operating Power 20 dBm typ., 25 dBm goal
Survival Power 1 W Average from -65 ºC to +25ºC
Switching Time On Time (45 dB to IL): 1.0 us max.
Off Time (IL to 45 dB): 0.5 us max.
DC Power Supply +15V @ 150 mA max.
Connectors 2 SMA (F) & 15 Pin Micro-D-Female
Shipped with mating Micro-D-Male
Weight 3.0 oz (85 gm) approx.
Finish Painted Blue
Mounting surface unpainted and gold plated
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 +85ºC Operating
 -65 ºC to +125ºC 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