This circuit was found in the August 1972 issue of Radio Electronics magazine. The circuit generates 4 types of signals as can be seen in the diagram. The maximum frequency is around 20 kHz.
In the figure we have the simplest configuration with a voltage regulator transistor. The voltage...
This circuit originally came out in a Budget Electronics from 1981. The American magazine no...
This circuit was found in an Electronic Design from the 80's. It shows how to use a MOSFET driver with...