With this circuit, from an old operational datasheet, it is possible to measure the CMRR, rejection in common mode of an operational one. The power supply must be symmetrical.
May 2017 - New sequencers UDC9090A for monitoring up to 10 power supplies from Texas Instruments...
The duty cycle of a Schmitt Oscillator can be programmed by R1 and R2 in this circuit. The...
This alarm circuit was found in the July 1992 Radio Electronics magazine. The circuit uses a small...