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RF Attenuator VXI

RF Attenuator VXI
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Module Features Attenuator VXI

It consists of three blocks:
  • attenuation unit
  • KU unit
  • Switching Unit

Specifications of attenuation unit:

  • Operating frequency range - 0,01..650 MHz
  • Adjustment range of the output signal level - from minus 87 dBm to 13 dBm
  • Step of installing signal power level - 0.5 dBm
  • Accuracy of exhibiting the power level of the signal - 1 dBm
  • Input VSWR less than 1.3 in the operating frequency range
  • Impedance - 50 ohms
Specifications of KU unit:
  • Operating frequency of low frequency channel - 0..100 kHz
  • The value of attenuation at low frequency channel signal - 20 dBm
  • Operating frequency range of low frequency channel - 0..650 MHz
  • The value of attenuation at high frequency channel signal - 13 dBm
  • Impedance - 50 ohms
Specifications of Switching Unit:
  • Type of switching element - relay SPDT-type MSP2TA
  • Closing/opening time of contact is not more than 20 ms
  • The number of cycles of the relay switch 3 × 10^6
  • Signal loss when passing through the switch must be less than - 0.15 dB in the frequency range from 0 to 1000 MHz
Standing Wave Ratio (VSWR) shall not exceed:
  • 1.1 in the frequency range from 0 to 1000 MHz
  • The maximum power of the signal broadcast by the closed relay contacts must not exceed 10 watts
  • Impedance - 50 Ohm
 RF Attenuator VXI