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 needs only 0.7 V at 40 uA to drive the relay. We found it in the November 1993...
This reflex receiver was obtained from a 1963 documentation. The transistors are germanium, and...
Obtained from an Electronic Engineering of the 90s, these circuits can be applied to almost any...