This peak detector has a memory to prolong the response. The circuit is from American documentation from the 1980s. The supply does not have to be symmetrical.
Found in a 1968 American documentation, this circuit generates 1 kHz signals. The SCR used is not a...
We found this circuit in a 1968 Electronics World. The transistors are from the era and...
This circuit was found in a 1965’s General Electric documentation. It is intended for low voltage...