DIY HAM radio transceiver

Hi all,

I did build my first ham radio transceiver and I thought I let you know how I did it.

This might give you ideas about your own HF experiments and give me some feedback from you guys and ideas for new projects.

  • introduction, Types of radio receiver
  • antenna amplifier
  • bandpass and lowpass-filter design
  • mixer and modulator/demodulator
  • crystal ladder filter
  • audio amplifier
  • microphone amplifier and two tone generator
  • power pre-amplifier
  • power-amplifier
  • Fast Fourier Transformation, FFT
  • touchGFX application on the STM32H735DK

73, Stefan, HB9GZE

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No ResponsesOne Response% Responsesso far.

  1. Peter says:

    Congrats für dieses ambitionierte Projekt. Das Geheimnis von Stefan, allein
    ein solches Projekt durchzuziehen, scheint zu sein, dass er es konsequent in
    ‘building blocks’ aufgeteilt hat. Diese hat er dann einzeln gebaut, vermessen
    und schlussendlich zum grossen Ganzen zusammengefügt.
    Sobald meine Drahtantenne fertig ist, werde ich Stefan um ein sched bitten. Ich
    möchte schliesslich hören, wie sich der TRX ‘on air’ anhört.

    73 de Peter HB9RUZ

  2. René Jorgensen says:

    Looking very much forward to follow this project. The nice thing about your videos is, that you are explaining the technical stuff in depth. Please keep doing that.

    73 OZ1JPD

  3. Robert Clark says:

    Steps to build a ham radio from scratch. Step 1: become familiar with the various components of your ham radio. Step 2: obtain a valid ham radio license. Step 3: design and build a working circuit.

  4. Robert Clark says:

    You can do amateur radio yourself. Ham radio can be built by anyone with the right tools and resources: a circuit board or a ham radio kit. Aside from that, learning how to start a radio hobby from scratch takes a lot of patience and perseverance.

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