Found in Linear Technology documentation, this circuit drains only 70 uA of the monitored circuit. The components used are from that time.
This circuit is powered by 1.5 V and has a long lifespan as it consumes only 320 uA. The circuit is...
) Suggested by Philips in a 1968 documentation this circuit has very high 10 ohm on-load voltage...
With this circuit, from a 1991 publication, it is possible to regulate the output of a symmetric source...