This circuit that has a response from 10 Hz to 700 kHz was found in Philips documentation from 1968. Dual transistors can be replaced by matched pairs.
This circuit is from a 1968 Electronic Design. The components are from the era and the operating...
ON Semiconductor CMOS Operational Amplifiers Mouser Electronics announces the availability of ON...
We find this circuit in an American 1980s documentation. It triggers an alarm in the event of a...