Radio Amateurs projects - 2M FM Repeater
Monday, 2016-12-05, 2:27 PM
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2m FM REPEATER
Original project
2006-2008

  • PLL Tx-Rx, step :12,5/25Khz
  • Narrow Rx filter
  • Power tx 2,5-5W
  • Audio filters(Ctcss notch, HP-LP)
  • Audio limiter & 7 bands equalizer
  • Intelligent Squelch for weak signals(bi-level)
  • CTCSS encoder-decoder(3 channels) for acces and control
  • Intelligent low batery control & time-out
  • CW identifier
  • SWR protection, crowbar...
  • Control panel for monitoring parameters


repetorinteste

Repeater 2m yo4hfu



yo4hfu

yo4hfu & beer :)



SintezaRX

Rx PLL




SintezaTx

TX PLL




PlacaProcesareAFRx

Rx Audio, SQ


filtutrecejosemisi

Tx Low pass filter




VCORX

VCO Rx low noise & spurious


IdentificatorCW

CW Identifier


Panel

Control Panel


cuplainterfata

 Panel Connector



Carcasa

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