This 200 kHz oscillator was found on a 90's EDN. It consumes only 2.8 mW and has CMOS compatible output. CMOS power pins are not indicated.
This circuit for measuring very low currents was found in an American documentation from the...
The charging current of this circuit is controlled by the temperature of the accumulators, which is...
This circuit was obtained from old documentation and has a very simple 6 or 12 V configuration...