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There are several QRP clubs that have published documentation on this small transceiver: I remember the G-QRP that published "The Pixie File" a pdf with a collection of schematics, easily available on the internet.
Chapter 6. BUILDING A HOMEBREW QRP. Among the guys I work, QRPs seem to be the most common homebrew project, second only to building antennas. Therefore this chapter describes a simple QRP design I have settled on. I use my QRPs as stand-alone transmitters or I use them to drive a final amplifier to produce higher power, 25 to 100 watts.
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Introduction. The Pixie 2 is a small, versatile radio transceiver that is very popular with QRP (low power) amateur radio operators the world over. It reflects a history of contributions from amateur radio operators looking to build the simplest transceiver possible.
This page has been set up so that more detail of the schematics can be seen than might be available in the printed article and also includes two parts lists. One list is set up so that all of the parts for a specific buidling block complete with the part numbers and the identified supplier.
A tiny SWR and RF power indicator for QRP transceivers - just 20.98x14.38 mm! This is a simple SWR and RF power indicator for QRP transceivers. It will work well with 1...5 W rigs.
Figure 1 — Detailed schematic diagram and parts list for the RF portion of the Universal QRP transmitter. Resistors are 1 ⁄ 4 W, 5%. A kit of component parts is available from Kanga US. 7 C10 is a VXO capacitor placed in series with the crystal to provide some frequency adjustment around the crystal frequency.
