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Low Pass Filter For FM 88-108 MHz
Posted on Friday, April 30, 2010   •   Category: FM Transmitters

Low Pass Filter For FM 88-108 MHz

Filter used for eliminate unwanted harmonic frequency at second and third. Notch filter, Band Pass Filter (BPF), and High Pass Filter (HPF) sometime combined in constructing LPF design. Schematic below for FM Broadcast Lowpass Filter 88-108 MHz. It has been tested with a good result. Note : Make the coils at 74 nH and trim them to adjust exact value.

     Low Power FM Transmitter
     1.3W VHF RF Amplifier 2SC1970 88-108 MHz
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     1 Watt FM Transmitter Booster
     6W FM Transmitter 88-108 MHz
     BA1404 Transmitter with UPC1651RF Amplifier
     1 Watt Four Stage FM Transmitter
     Wireless Microphone FM Transmitter
Low Pass Filter For FM 88-108 MHz

 

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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