General Electric suggests this circuit in an 80's documentation. The circuit makes use of PUTs that are not common components today. Note the timing components that may change.
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...