DTA-218-3D5-3-NSI Preliminary

Digital Attenuator

Quantic PMI Model DTA-218-3D5-3-NSI is a 6 BIT programmable 31.5 dB attenuator with step resolution as low as 0.5 dB over the frequency range of 2 to 18 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): 2 to 18
Frequency Min (GHz): 2
Frequency Max (GHz): 18
Attenuation Range (dB): 31.5 dB Min
Attenuation Step Size - LSB (dB): 0.5 dB Max
Attenuation Accuracy (dB): ±10% Commanded Min
Accuracy of Attenuation: ±2 dB Typ
Insertion Loss (dB): 9 dB Max, 8 dB goal
VSWR: 2.0:1 Max
Power Handling Capability: 27 dBm CW Max
Power Supply: +5 VDC @ 50 mA
-5 VDC @ 50 mA Max
Logic Input: Logic "0" (BIT OFF) = -0.3 to +0.8 V (1 µA)
Logic "1" (BIT ON) = +2 to +5 V (1 µA)
Switching Speed: 100 ns Max
Input 0.1 dB Compression Point: 22 dBm Typ
Attenuation vs. Frequency: ±2.2 dB Max
Insertion Loss Flatness/1 GHz: 0.5 dB Max
Input 1 dB Compression: 22 dBm Min
Digital Control: 6 BIT
Connectors: RF: SMA Female
Control & Power: 15 PIN Micro-D-female,
(Mating Connector Supplied)
Size: 1.50" x 0.75" x 0.40"
Finish: Painted Blue
Weight: 2 oz Max
Export Classification (ECCN): EAR99
Environmental Ratings:
Operating Temperature: 0 °C to 60 °C
Non-Operating Temperature: -65 °C to +125 °C
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 107D Cond. A
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