IWISTAO

Home
IWISTAO
Tuning tube fm radio

Jun 14, 2025 | 0 comments

A Brief History of Radio Technology: From Crystal Sets to...

Published by IWISTAO Radio technology has come a long way since its humble beginnings. From the power-free crystal radios of the early 20th century to today’s highly integrated DSP receivers,...

Feb 22, 2025 | 0 comments

Tuning the 10.7MHz Intermediate Frequency in Vacuum Tube ...

A crucial step in tuning vacuum tube FM radios is adjusting the 10.7MHz intermediate frequency (IF). Typically, this is done using a sweep generator. However, in the absence of a sweep generator, the following method allows for meticulous adjustment of the IF curve, achieving results closely approximating those obtained with a sweep generator.There is an example below for you information and learning by analogy.