IF/AF unit

This unit includes the following:

  • intermediate frequency IF amplification – MC1350
  • optional crystal filter
  • RX product detector – SA612
  • AF preamplifier – LM837
  • RX MUTE and sidetone input circuitry
  • AF final amplifier – SA58631
  • Fast IF 134kHz Automatic Gain Control scheme – SA612,LM837
  • Optional AF filter board

 

Leave a Reply

highslide for wordpress