Transcription of Chapter 6 BUILDING A HOMEBREW QRP - QRP Amateur …
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Chapter 6 BUILDING A HOMEBREW QRP - QRP Amateur …
1. Chapter 6, Harris CRYSTAL SETS TO SIDEBAND Frank W. Harris 2010, REV 12 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. It s true that before you build a transmitter you ll need a receiver. Unfortunately, a good selective, all- band ham receiver is complicated to build and most guys don t have the time and enthusiasm to do it. (See Chapter 13.) On the other hand, Chapter 7 describes BUILDING a simple, 5-transistor 40 meter receiver that I have used with the QRP below to talk to other hams. This simple receiver will work best during off hours when 40 meters isn t crowded. It can also be used to receive Morse code for code practice.
2. Chapter 6, Harris Unfortunately crystal control means you must order $18 custom crystals for your favorite frequencies in each band.
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