This circuit is from a 1980s Motorola documentation. The circuit makes use of old components that can in some cases be exchanged for modern equivalents.
This circuit measures alternating voltages on 5 scales and its accuracy depends on the tolerance of the...
This circuit was obtained in an American documentation translated in the 80's. The circuit can be...
Figure bellow shows another configuratíon for a Iow-frequency sine wave oscillator using CMOS...