This circuit is from a 1968 Electronic Design. The characteristics of the output transformer are not given and the transistors are of the time. The circuit provides a power of a few watts.
This circuit has an interface for a multimeter or electronic voltmeter. We found it in a 90s...
This circuit allows only signals with frequencies below the calculated value to pass. The formulas for...
This interesting circuit that generates delayed pulses was found in the September 1992 issue of...