Tuesday, May 15, 2012

UHF TV Antenna Booster circuit diagram

This is thecircuit diagramof UHF band TV antenna booster with 15dB gain power. This low cost antenna booster is simple and easy to build.
UHF TV Antenna Booster circuit
This circuit formed based on BF180 UHF Transistor. The first stage is an band pass filter constructed by the C1, CV1, L1, L4, C7 and C3, the second stage is a base-common voltageamplifierwith low input impedance to match.air core coilconstruction and calculation here. After assembling, pack it into a proper metallic box and connect the ground of the circuit to the box to reducenoise effect.

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