Microwave Journal
www.microwavejournal.com/articles/32753--bit-programmmable-attenuator-dta-1g18g-60-7-cd-1-herm
DTA-1G18G-60-7-CD-1-HERM

7-Bit Programmmable Attenuator: DTA-1G18G-60-7-CD-1-HERM

August 12, 2019

PMI Model No. DTA-1G18G-60-7-CD-1-HERM that operates over the frequency range of 1.0 to 18.0 GHz. It has a maximum insertion loss of 5 dB and a maximum VSWR of 2.0:1. This unit is outfitted with SMA female connectors and a 15-Pin Micro-D female connector in a hermetically sealed housing measuring 2.00" x 2.79" x 0.66".

  • Frequency Range: 1.0 to 18.0 GHz
  • Mean Attenuation Range: 60 dB
  • Insertion Loss: 5 dB Max., 4.8 dB Typ. - Measured 4.6 dB
  • VSWR: 2.0:1 Max. - Measured 1.7:1
  • Flatness Up To:
    • 20 dB: ±1.0 dB Max. - Measured ±0.53 dB
    • 40 dB: ±1.25 dB Max. - Measured ±0.65 dB
    • 60 dB: ±3.0 dB Max. - Measured ±1.7 dB
  • Monotonicity: Guaranteed
  • Temperature Coefficient (Max.): ±0.02 dB/°C - Measured <±0.02 dB/°C
  • Accuracy of Attenuation:
    • 0 to 20 dB: ±1.0 dB Max. - Measured ±0.12 dB
    • 20 to 40 dB: ±1.5 dB Max. - Measured ±0.1 dB
    • 40 to 60 dB: ±2.0 dB Max. - Measured ±0.47 dB
  • Minimum Attenuation Step: 0.5 dB
  • Operating Power: +17 dBm CW - Measured >+17 dBm CW
  • Survival Power: 1 W Average from -65°C to +25°C
  • Switching Time: 
    • On Time: 1.0 us Max. - Measured <1.0 us
    • Off Time: 0.5 us Max. - Measured <0.5 us
  • DC Power Supply: +15 V @ 150 mA Max. - Measured 121 mA
  • Logic Input @ 10 uA Max.:
    • Logic "0" (Bit Off): -0.3 to +0.8 V
    • Logic "1" (Bit On): +2.0 to +5.0 V

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