Agilent 420C Coaxial Crystal Detector

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The HP 420C is a point contact detector with the following characteristics:

  • Freq Range 10 MHz - 12.4 GHz
  • Freq response +/- 2db
  • SWR < 2.0 into 50 ohms
  • Sensitivity > 0.15 mv/microwatt
  • Max input (Peak or Average) 100 mw
  • Short Term max input (<1minute) 100 mw
  • Output voltage polarity Negative
  • Original retail price $110
  • If your detector has option 002, it has a square law response