This circuit appeared in Amateur Radio Today in an issue and was found in a 1995 issue. The circuit is for the AM band up to 3 MHz. The transistors are general-purpose.
This basic circuit was found in RCA / GE documentation from the 90s. In it we have the way to...
The ICL8038 is a function generator that appears elsewhere on this site in various applications. The...
We found this voltmeter in a 1977 Radio Shack documentation. The integrated circuit can be the...