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Recent content by joeypc

  1. J

    Crystal oscillator using discrete CMOS inverter ?

    Dear FvM, This kind of discrete MOSFETS inverter has been built, tested by me on solderless breadboard. From what I see is that it works quite like a normal C-MOS inverter. This C-MOS inverter is supplied with +5V. Output of this inverter is connect to 220 Ohms resistor then to a LED and to...
  2. J

    Crystal oscillator using discrete CMOS inverter ?

    Hello Everybody, I built a discrete CMOS inverter as shown below: This CMOS inverter worked as an logic inverter very well. But when I tried to apply to crystal oscillator as below. It did not work at all! Could anyone here explain why ? Thanks all.
  3. J

    SM6136B Transmitter (?) seen in a Toy Car Remote

    sm6136b english datasheet Well... I would like to see the the circuit with the RF circuit. Could anyone here share me the RF circuit (RF section) ? Thank you for your sharing !

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