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Chapter 14 vacuum tube receivers and
Found 3 free book(s)Chapter 14 VACUUM TUBE RECEIVERS AND …
www.qrparci.org2. Chapter 14, Harris shouldn’t be used on the air. That’s no fun! In my local ham newsletter Yardley Beers, WØJF, described a transmitter he built in …
Chapter 13 BUILDING A HOMEBREW HF RECEIVER
www.qrparci.org4. Chapter 13, Harris BFOs. Consequently, I have avoided this frequency. Among homebuilt ham receivers the most common IF frequency seems to be 9 MHz.
A Multimode Phasing Exciter for 1 to 500 MHz
www.arrl.orgA Multimode Phasing Exciter for 1 to 500 MHz In January, QSTintroduced you to R2, a single-signal direct- conversion receiver for the '90s. This month meet T 2, a matching