This circuit was found in Siliconix documentation from the 1980s. Equivalent operational amplifiers can be used and the output current is very low.
The presented circuit can excite small piezoelectric transducers or ceramic buzzers. These...
This simulation shows how to use an operational amplifier as a voltage comparator. The sample uses the...
Maxim MAXREFDES67 Universal Analog Input Micro PLC is ideal in factory automation because of its...