This high-precision circuit was found in documentation from the 1990s. The integrated circuit is an LM111 or another in the series. The circuit has TTL output and can function as a shield.
This circuit can be used with motors or resistive loads, such as heaters and incandescent lamps....
The output of this circuit can be coupled to a radio control transmitter to perform a...
Using an RCA integrated circuit, this instrumentation amplifier was found in a November 1970 Radio...