Found in an RF Design from the 90s, this circuit is based on components from the time. It can, however, be implemented with equivalent modern components.
We found this circuit in a 1967 Japanese technical magazine. The transistors are made of germanium at...
This two-transistor radio was found in a Japanese publication from the 1960s, with no information on the...
The purpose of this circuit is used in communications and to respond to signals that are in the 2...