This circuit was obtained from an American documentation from 1968. The current depends on the operational, observing that the circuit uses a symmetrical power supply.
This circuit has an interface for a multimeter or electronic voltmeter. We found it in a 90s...
This circuit was obtained in a 1990 English magazine. The circuit can be assembled with equivalent power...
This circuit was found in a 90s Electronic Design. The circuit is for TTL technology and can...