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  • Active Antenna for Shortware, Microwave, FM bands

  • Created: Nov 23, 2015

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This circuit is designed to build a better radio receiver. It contains active electronic components that allows the construction of antennas of limited size and wide frequency range. The active electronic components makes active circuit which compensate signal attenuation.

This active circuit is powered by a stable 9V dc . The parallel capacitor (0.047uF) is for the stability of the source. The Field Effect Transistor(FET) is used for the amplifications since it does not need any biasing current to operate. The 470uH shock coil (RFC) is for the amplifications of signal at low frequency, in which varies according the signal bands.

This project is useful to broadcast communication that space or area is an issue for the proper operation of the system.



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