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This book aims to collect and share knowledge related to the art of QRP. There are many schemes and projects available on the web, but after some time some schemes disappear if the sites are no longer maintained.
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Index Laboratories QRP PLUS Transceiver (Version 2) Block Diagram Schematic Diagrams PCB Layout Drawings. NOTE: This information is supplied for noncommercial use only. FIGURE 9: QRP-LO PCB ASSEMBLY. FIGURE 11: QRP-AF PCB ASSEMBLY. FIGURE 13: QRP-RF PCB ASSEMBLY. FIGURE 8: BLOCK DIAGRAM 15.
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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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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.