The gain of this amplifier is given by the 120k resistor, which can be changed depending on the application. The circuit can also be designed based on other operational ones. The power supply need not be symmetrical.
The operational amplifier can be of any type in this circuit, found in a 1974 publication. The...
July 2017 - Texas Instruments' new 8-channel digital switches for I2C applications can be found at...
This circuit was originally designed to maintain the temperature of a brooder at 41º C. However,...