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Recent content by diggermail

  1. D

    Developed a digital 1 bit FM demodulator FM-radio

    The experiment with the 290 ns delay line turned out to be successful, the output signal level increased 3 times. 180ns is installed as standard on the board. New boards have been assembled, while I am testing how different in sound is 290ns from 180ns
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    FM demodulator in a ratio detector

    not I know that there is no such model, but I am not talking about models but about a real circuit. Will not work with a diode 1N5817
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    FM demodulator in a ratio detector

    L1 L2 is of course a midpoint coil
  4. D

    FM demodulator in a ratio detector

    C2 C3 10n in my opinion a very large capacity, you need 100-330p R1 you can safely throw out С7 discard, diode 1N 5817 is not suitable, replace with 1N5711
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    FM demodulator in a ratio detector

    I installed such a circuit in the FISHER KM-60 tube tuner
  6. D

    FM demodulator in a ratio detector

    DIODES D1 D2 should be replaced with Schottky 1n5711 the sensitivity will increase and the sound will improve.
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    Developed a digital 1 bit FM demodulator FM-radio

    Development 2020. Based on information from Accuphase TUNER T-109V. This Advanced Differential Gate Linear (ADGL) demodulator delivers the best sound ever known, compared to quadrature and PLL by a significant margin in quality, bass and detail. With scientifically based high linearity of the...

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