DTA-18G20G-45-8D Preliminary

Digital Attenuator

Quantic PMI Model 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 to 20 GHz. Housing measures 2.0" x 1.8" x 0.5" with 15 Pin Micro-D female control connector (Mating Connector Supplied) and SMA female connectors.

Product Specifications

General Parameters:
Status: Preliminary
Frequency Range (GHz): 18 to 20
Frequency Min (GHz): 18
Frequency Max (GHz): 20
Attenuation Range (dB): 45 dB
Attenuation Accuracy (dB): 0 to 10 dB: ±0.5 dB Typ,
10 to 20 dB: ±0.75 dB Typ,
20 to 45 dB: ±1 dB Typ
Insertion Loss (dB): 6 dB Typ, 7 dB Max
Minimum Attenuation Step: 0.25 dB
VSWR: 2.0:1 Max
Operating Input Power: 20 dBm Typ, 25 dBm goal
Survival Power: 1 W average from -65 ºC to +25 ºC
Swiching Time (On Time): (45 dB to IL): 1 µs Max
Swiching Time (Off Time): (IL to 45 dB): 0.5 µs Max
Power Supply: +15 VDC @ 150 mA Max
Logic Input: Logic "0" (BIT OFF) = -0.3 to +0.8 V
Logic "1" (BIT ON) = +2 to +5 V
Digital Control: 8 BIT
Connectors: RF: SMA Female
Control & Power: 15 PIN Micro-D-female,
(Mating Connector Supplied)
Finish: Painted Blue Mounting surface unpainted and gold plated
Weight: ~3 oz (85 gm)
Export Classification (ECCN): EAR99
Environmental Ratings:
Operating Temperature: -40 ºC to +85 ºC
Non-Operating Temperature: -65 ºC to +125 ºC
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
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