How to make fixed frequency 108Mhz FM transmitter or Walkie talkie transmitter circuit diagram.

 How to make a fixed frequency 108Mhz FM Transmitter Circuit or Simplest Walkie Talkie Transmitter Circuit at home; by "AMKP40 technology" YouTube.



Friends this is a very simple stable frequency 108Mhz FM transmitter circuit diagram. In this circuit you can use 3.7V battery to 12V battery still perform this circuit fixed 108Mhz. If you use a 2N2219 transistor instead BC547 transistor you can get maximum range (approximately 300 meters) with a long antenna. You can build this circuit any structure or shapes without a problem.



This circuit diagram is personal of "AMKP40 technology" YouTube channel's.


If you have any questions about this circuit please feel free to comment below in the comment section.



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Comments

  1. SribasuApril 12, 2021 at 2:48 PM

    This comment has been removed by the author.

    ReplyDelete
  2. SribasuApril 12, 2021 at 2:49 PM

    I want to boost signal strength of this circuit. Can I attach a 1-2GHz UHF Amplifier Module(which are available in Market) at the end of this circuit to amplify it? Can I just take the antenna point as input for the FM Amplifier?

    ReplyDelete
  3. UnknownMay 16, 2021 at 7:24 PM

    Exelente tu transmiter felicitaciones
    Como puedo modificar para transmitir en 146 mhz ?

    ReplyDelete
  4. GoharApril 14, 2022 at 1:20 PM

    Crystal freq is 27mhz,how will it produce 108mhz? There is no freq doubler or trippler etc

    ReplyDelete
  5. GoharApril 14, 2022 at 1:35 PM

    Iski range kitni he, isi antenna k sath?

    ReplyDelete
  6. GoharApril 14, 2022 at 1:37 PM

    Any1 answer me plz

    ReplyDelete

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