This circuit allows you to adjust the balance between channels of a stereo amplifier. The circuit makes use of an analog indicator with zero in the center of the scale.
This circuit was found in a publication for radio amateurs in 1976. With it it is possible to...
In the figure we show a circuit in which the output voltage of a 78XX voltage regulator is...
aaa The circuit shown generates 100 kHz signals for calibrating the scale of a receiver in 100 to...