This circuit was obtained from Motorola documentation from 1969. The setting applies to other operating systems, including lower supply voltages. The zener determines the output signal.
The sensor for this circuit, found in a 1968 magazine is a common LDR. The diode is for general use...
This circuit was obtained from Motorola documentation from 1969. The setting applies to other...
This circuit is from 1968 and consists of an amplifier for turntable of the time. The CA3020 was...