This passive circuit was found in a 1980s documentation. The circuit serves to indicate the balance or balance between the channels of a stereo amplifier.
daptation of a common multimeter for the measurement of high voltages with high input resistance,...
The very high-input impedance of the CMOS gate allows this kind of device to be used as a...
This sweep oscillator was found in 1980s American documentation and can be assembled with current...