This is an improved circuit from the earlier version also found in the April 1972 Radio Electronics magazine. The power transistors must be provided with heat sinks.
This circuit, which can be used as a shield, has its time determined by RA and C connected at the...
This circuit was found in a Linear Technology documentation from the 90's. The integrated circuits are...
The basis of this circuit is a National Semiconductor operational amplifier that functions as a...