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Here is the schematic, PC board pattern, and parts placement for a low powered FM transmitter. The range of the transmitter when running at 9V is about 300 feet. Running it from 12V increases the range to about 400 feet. This transmitter should not be used as a room or telephone bug. |
Schematic |
PC Board Layout and Parts Placement |
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Related Circuits |
Comments |
| this circuit is very easy | ||
| Hi I making fm transmitter but didn't success. Pls. can anyone help me to provide with working schematic diagram of FM transmitter. would be greatful if you also provide all detail calculation and comments on it. cheers | ||
| how to make a fm transmitter with a 5 km range and a also a highly sensitive fm receiver. | ||
| has anyone measured frequency response and signal to noise ratio? i plan to put this in my car with my laptop since we have no good radio stations in the mississippi delta! | ||
| i want to know if an FM receiver receives the signal it can be generate electricity with some special Hardware .?? | ||
| How far will a 10watt FM transmitter broadcast, assuming a good antennae? What's the radius, or range? 5 miles? We are fundraising for a LPFM station and may use this circuit for our transmitter until we have the cash to buy a new, more robust transmitter. | ||
| how to make a fm transmitter with a 5 km range and a also a highly sensitive fm receiver. also pl send me the substitutions for the coil of th trans.plz give some theoryticaly and practicaly dacument about fm transmitter.. | ||
| Does anyone know if you can run this transmitter from your computer, transmitting the signal of what ever is playing on windows media player, if so how would you do this? | ||
| what do the wire coils do exactly are they acting as inductors? do they have anything to do with getting the the dc voltage to oscillate? | ||
| The transmitters is a very basic one U can increae the signal strenth a little by increasing the capacitor betwheen emitter & collector of the filnal RF transistor up to about 22pf.Try it & u will see the differece. | ||
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