This circuit is from Motorola's Linear Interface ICs from 1993. The MC1723 is the equivalent of the well-known 723. The transistor supports equivalents.
This simple operational amplifier tester was published in the November 1987 issue of Radio...
The traditional circuit was taken from a French magazine Radio Plans that no longer exists but can...
This configuration can be made based on other operational amplifiers. For other frequencies, the...