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 “compandor” circuit has the opposite effect of CB15195E. The LS150 is not common today and...
This circuit was obtained from an American documentation from the 1980s. The T1 triggering...
This circuit is suggested by the Linear Applications Handbook of National Semiconductor, being used...