"SON of FRANKEN-DESIGN"  Solid State AM Transmitter

Class "D" amplifier modulated by a TOA 120 Watt rms audio amplifier

The heatsink holds the four 11N90 FETs. The box on right is Low Pass Filter. Circuit board  is Sequencer.

Home-Brew microphone using 8 electrets into a summing op-amp

MIcrophone designed to look like a 1940's Turner broadcasr mic.

© 2008

K1PHG

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