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The Blue Cool Radio Project

5 band CW Transceiver and 5-20 MHz RF Radio Receiver

The 2005 project of the German QRP Club DL-QRP-AG
Design: Peter, DK1HE, Andreas, DL4JAL
Coordination: Peter, DL2FI
Prototyping and Editor: Jürgen, DL1JGS
Kit Realisation: Nikolai, DL7NIK

Link to the order page at

English Bluecool Discussion Group at Yahoo

  • 7, 10, 14, 18 (3,5 MHz optional) MHz generated by DDS, 5 Watt TX, Superhet, variable Cohn Filter, high dynamic AGC
  • Full range Receiver with preselector, CW, SSB and AM.

  • Ready made Enclosure, 160x100x40mm. Al 0,8mm all cuts ready made by laser, place for full set of 10 AA cells.

  • All Parts on PCB, no wiring.

  • Double VFO, RIT, Split, XIT.

  • Display of power, SWR, Voltage, S-Meter und CW-speed of built in keyer.

  • AutomativLow Pass Filter switch.
  • Fully 5 Watt with power supply or 10 AA cells
  • Automatic Backlight.
  • Low current, RX including back light < 50 mA
  • RX + 26dBm IP3.
  • New designed IF Amplifier, AGC is IF generated.
  • All SMT parts allready installed (option)
  • Only two coils for the wide range Preselector.
  • Tools built in: AF and IF signal generator for easy alignement on board

  • High IP broadband (80MHz) 4 x FET mixer
  • Easy adjustment, only 4 coils to adjust.

  • Easy to build, complete project consists of 8 functinal groups, each of them can be tested complete.
  • Low Price: complete 40-17m
    298,00 Euro

    310 Euro with pre installed SMT parts and built and tested DDS Unit
  • 80m Option preinstalled SMT 32,00 Euro

Download english manual

Download english manual 80m option

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