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Build AM FM Transmitter One Transistor Project 1-3

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Uploaded by on Mar 10, 2010

The end user is responsible for complying with all FCC rules & regulations within the US, or any regulations of their respective governing body.

http://www.richardmcwhorter.com/FM%20Transmitter/

http://www.richardmcwhorter.com/AM_Transistor_Transmitter/

Build FM One Transistor Transmitter MOD Project

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Science & Technology

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Uploader Comments (AllAmericanFiveRadio)

  • What value of variable capacitor did you use? What if I just wanted to turn this into a A.M. transmitter? What variable capacitor could i use?

  • @1972bug2180

    You could use the variable capacitor from an AM radio, and the oscillator coil too.

  • i never build something like this before. nice little transmitter to start with. how far (in meters) can this transmitter go? regards from the netherlands, jens.

  • @jks2

    Hey Jens,

    This one, 1-3, works and would cover a room or two. 2-3 will cover most of the house. 3-3 covers about a block of the neighborhood. If you use an outside tuned di-pole antenna with 3-3 it will cover 1 mile=1609.344 meters easy.

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All Comments (67)

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  • ok thanks for the info!

  • @ae4se

    It is an NPN transistor from Radio Shack, 15 in a pack. Video T3-3 is a good design for an FM one transistor transmitter. Also The way I built it was not for looks. Part position at those frequency is very important, this is something that does not show in a wiring diagram.

  • @marioaleal

    I hope you have fun and success with this project. I did three videos on this one transistor transmitter. T1-3, T2-3, and T3-3. Good luck!!

  • @AllAmericanFiveRadio THANK YOU. My son and I are going to try this project.

  • @marioaleal

    Yes it did. I have called them and they had a major outage so they were not pick just on me. But while I was on hold for 15mins I thought I would make it worthwhile. I changed to a new server and transfered my domain name to the new server also. I had been on the old system for over 6 years, time to upgrade.

  • Your website died!

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