With this circuit it is possible to select transistors and their compliant test. Or circuit consists of an oscillator. Or transformer of the type found in old transistor radios.
This circuit was found in Radio Electronics magazine from June 1961. The distance between stations is...
We found this circuit in a European publication from the 1970s. The transistors are made of...
This circuit is from a factory manual from the 80s. The circuit can be implemented with more...