We found this precision circuit in a manual from the 80's. The operational amplifier is of a common type at the time, and equivalents can be tested. Transistors are general purpose types.
Found in a 1968 documentation, this small amplifier was very popular at the time being used in...
Found in Electronics now, this circuit generates signals given by the formulas next to the...
The circuit shown can be used to send command pulses from a cogwheel or other sensor placed...