The circuit transistors, found in a 1974 documentation, may be the BC548. The circuit is used in quadriphonic systems to combine signals.
With a touch of the push button the lamp is switched on. A new touch and the lamp go out, in this...
The LMV321 is a low voltage operational amplifier from ON Semiconductor. The following diagram,...
We find this circuit in an old American documentation. It can provide a 25 dB compression in a...