The transceiver designed by Joan (EA3FXF) called " mosquito " has several interesting proposals. The first is to use a very low cost MOSFET is IRF510 as the only stage. At the reception operation as an oscillator and mixer, and operating as transmission oscillator and power amplifier capable of delivering ~ 1W output power. The second interesting point is that was designed to be used with a SDR software, no audio stages in the transceiver itself. Finally, the touch of genius to use a 220V-12V transformer as an impedance adapter. It is a very simple and easy to play. Subject: ESS.
Student: Pedro Jose Contreras Urbina
Source: http://lu7hz.blogspot.com/2009/11/transceptor-de-potencia-el-mosquito-de.html
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