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1 Watt FM Amplifier
Posted on Thursday, October 29, 2009   •   Category: FM Transmitters


This is a 1 watt amplifier. This design is a 2 stage amplifier that has about 16db of gain, suitable for an input of 5 to 20 MW. The transistors are a 2N4401 and a 2N4427. At 13.7 vdc the most I could get out of the unit was 1/2 watt, you could probably raise the dc voltage to 16 volts and get more output but then a much better heatsink would be required. But for the sake of this project, we'll call it a 1/2 watt amplifier.

   1 Watt FM Amplifier

 

Build Accurate LC Meter and start making your own coils and inductors. This LC Meter allows to measure incredibly small inductances making it perfect tool for making all types of RF coils. LC Meter can measure inductances starting from 10nH - 1000nH, 1uH - 1000uH, 1mH - 100mH and capacitances from 0.1pF up to 900nF. The circuit includes an auto ranging and reset function to make sure the readings are as accurate as possible ... [more]



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