Active FM Antenna Amplifier by C2570

My friend to need circuit FM Antenna Amplifier.
I find circuit, to see good web: http://www.uoguelph.ca/~antoon/circ/activefm.html

Content in Article : I copy to you. thank you Tony van Roon

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With only a small handfull of parts you can built this trusty FM Amplifier.

This amplifier will pull in all distant FM stations clearly. The circuit is configured as a common-emitter tuned RF pre-amplifier wired around VHF/UHF transistor Q1.

All capacitors are ceramic and 50V is the standard but the 25V types work fine too. Trimmer capacitors Tr1 and Tr2 (22pF) are adjusted for maximum gain.
Input coil L1 consists of 4 turns of 20SWG enamelled copper wire over a 5mm diameter former. It is tapped at the first turn from the ground lead side. Coil L2 is similar to L1, but has only three turns. Pin configuration is shown in the diagram.

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