This commercial signal follower was found in a 1967 Japanese magazine. It uses germanium transistors and provides a speaker output without the need for a transformer.
This circuit is from Motorola's 1993 Linear Interface ICs. The circuit must be powered by a...
This transmitter for short range in the medium wave range was found in a Raytheon publication from...
We found this circuit in a 1977 publication for radio amateurs. It serves to test general purpose...