Source Follower (CB6153E)

This stage for JFETs was found in a 1965 US publication, but is valid for modern components.

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40 uA Shield (CB25633E)
This circuit needs only 0.7 V at 40 uA to drive the relay. We found it in the November 1993...
Sine to Square Converter (CB6592E)
Found in a 1964 Electronic Design this circuit makes use of components of the era. The output is 2 V...
Low Voltage Protector (CB4146E)
The circuit shown in the figure shuts off a load when the voltage drops below the value determined...