DDS for CW TRX w/i or w/o morse code decoder/encoder


Satu lagi tantangan dari Pak Indra S Ekoputro YD1JJJ, untuk melengkapi koleksi kit rancangan beliau saya coba buat satu trx controller mono band (micro40CW) berbasis DDS dengan spesifikasi sbb:

  • AD9850 DDS
  • LCD 16×2 atau 40×2 character LCD
  • adjustable WPM morse decoder/encoder with PS2 keyboard
  • lambic keyer
  • Mono band (40m)
  • rotary encoder
  • adjustable frequency NE567
  • battery indicator
  • RIT
  • s-meter
DDS CW-01

DDS CW-01

microcontroller and DDS

microcontroller and DDS

dial+morse mode

dial+morse mode

back side (morse frquency and level adjustment)

back side (morse frquency and level adjustment)

 

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