martedì 16 ottobre 2007

Pixie 2 QRPp CW Transceiver


Pixie 2 QRPp CW TransceiverBuild Date: 09/10/2001
The Pixie 2 is a tiny HF CW transceiver, with a standard two transistor transmitter. It's a Colpitts oscillator, left running, and a keyed power amplifier. There is no external mixer used to feed the audio amplifier. Instead, the mixing is done at the final amplifier itself with the resulting audio taken off the emitter.
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Step 1
I carefully removed all all the parts from the bag and checked to make sure they were all there. Overall, the kit is well designed but it does leave room for improvement. The board is single-sided and NOT plated through hole so you need to be careful not to lift the pads while soldering. The LM386 did NOT come on a piece of conductive foam to prevent it from being damaged by static. It was simply thrown in the plastic bag with the other parts.......continua

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