This circuit has an accuracy of 1%. The components used must be precision as well. The input frequency range is 40 Hz to 10 kHz with the indicated components.
This 3 V rail to rail buffer was found in a National Semiconductor documentation. The gain is unit....
This charger provides a current of 20 mA under voltage of 9.6 V for charging batteries. Two...
Two operational amplifiers like the 741 or equivalent are used in this voltage-controlled...