Circuit # 9 - FM Telephone Transmitter
Complete With
    Circuit Board Artwork, Stripboard, and Breadboard Layout

 

 

Phone Transmitter Circuit Phone Transmitter Circuit # 9 Stripboard LayoutSpy FM PhoneTransmitter Circuit Return To Our Home PageElectronic Phone CircuitsPhone Transmitter Circuit Board # 2Phone Transmitter Circuit  Board
FM Transmitter Coils

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FM Transmitter Circuit Breadboard 

          FM Transmitter
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FM Telephone Transmitter Circuit # 9

Real World
Enlarged View
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Artwork 1:1 - Regular and Minimum Etch. To Get The Artwork - Do a right click on your mouse and save the image.

Schematic - L1 is 4 turns of # 20 copper wire 3/16 Air Wound. Antenna is 8 to 16" of thin stranded wire. The clips clip to the red and green pair of the phone wires. Transmits both sides of the conversation.