This circuit was found in a Hughes manual of 1068 using a MOSFET of the time. The circuit can be adapted to use modern equivalent MOSFETs.
This circuit was found in a 1980s documentation. The operational amplifier is of a common type at the...
This 10, 25, 45 second and 5 minute timer has its times selected by the switches. The circuit...
This circuit can be implemented with standard photodiodes consisting of a two input optical AND gate....