This general-purpose transistor audio amplifier was found in the March 1990 issue of Radio Electronics magazine. The power supply must be dual.
In applications where there is no danger of any contact with live points on the circuit by the...
This is an LED effect that we found in a 1988 documentation. The circuit drives LEDs with a...
In the figure we have the way to implement a TTL Schmitt trigger for 60 Hz signals, obtaining...