This 1967 General Electric circuit makes use of an array of 3 (integrated) transistors for an amplifier stage. The circuit has a 500 mV output.
The configuration of this circuit was suggested by an old English publication that comes to...
Some old analog multimeters use a 22.5 V battery for high resistance measures. These batteries can no...
This circuit was found in 1968 General Electric documentation. The circuit uses components from the era...