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Autocad (.dwg) file for diagram by Eugene Luca (162K).
Eugene Luca's circuit diagram as .pdf (196K).
.sch file - sorry, I can't remember who sent me this one (53K).
.dxf layout file for Bulent Uysaler's clock (274K). You need PCAD to open this file.
.pcb layout file for Bulent Uysaler's clock (164K). You need PCAD to open this file.
.pdf Adobe image of Bulent Uysaler's clock layout, created by Oscar Ibáñez. (42K).
Bulent's video (.mpg file) of several seconds operation of his clock (965K).
Circuit Diagrams for my clock project (5 pages Adobe .pdf format, 319K).
Crystal Sets to Sideband, by Frank Harris K0IYE
Foreword (81K)
Chapter 1: The fascination of radio (421K)
Chapter 2: Homebuilding amateur radio equipment (844K)
Chapter 3: Setting up an electronics workshop (1,876K)
Chapter 4: Hertzian waves in the basement (1,832K)
Chapter 5: Getting on the air - deciding what to do first (588K)
Chapter 6: Building a QRP homebrew (1,487K)
Chapter 7: Building a code practice receiver (859K)
Chapter 8: Power supplies (1,403K)
Chapter 9: Accessories for the transmitter (2,442K)
Chapter 10: Variable frequency oscillators (979K)
Chapter 11: Building a VFO for the higher bands (PMOs) (396K)
Chapter 12: Final amplifiers (936K)
Chapter 13: Building a homebrew HF receiver (3,338K)
Chapter 14: Old-tech vacuum tube radio (2,113K)
Chapter 15: The Nobel prize for sideband (1,996K)
Chapter 16: Ancient modulation (1,041K)
QEX, Nov.'95, Polyphase network design, by Tetsuo Yoshida JA1KO (968K)
RSGB Handbook 8'th Edition, Polyphase Receiver section of Chapter 6 (975K)
Manual (1,169K)
Circuit diagrams (1,110K)
Frequency Counter circuit diagram (406K)
Radio Frequency Counter circuit diagram (140K)
Document about phantastron oscillators (843K)
Denco datasheet, sent by Howard Chadwell (1,181K)
Denco datasheet, low resolution, sent by Howard Chadwell (167K)
Build-Your-Own Denco equivalent (555K)
Phase Shifting CW-Filter, RSGB RadCom article (548K)
The transistorized LM Freq Meter, 73 magazine article (3.92M)
Original SPRAT construction article for the transceiver, (122K)
RadCom writeup of the W1/G0UPL operation, (283K)
UTC6610.pdf Datasheet, (243K)