Wednesday, May 6, 2009

captured

Jan (PA9QV) captured my signals...

Technical info on the transmitter:
  • 5.0688MHz crystal oscillator (74HC86) pulled by a rectifier diode
  • active doubler (same 74HC86)
  • 10.140MHz crystal as purity filter
  • 74HCT240 as keyed PA
  • smt-Hell and QRSS-CW generated by a PICAXE-08M using PWM



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