This circuit operates at a voltage of 1.3 V from a single mercury cell. We found in an old documentation and for the components used the frequency is 500 kHz.
This circuit is from an American documentation of 1975. The FET may be the BF245 and the relay is of...
The integrated circuit used in this 80's application is very hard to find today. The circuit is of an...
September 2016 - Mouser Electronics has announced the availability of the new regulators LDO from...