This thermal control circuit appeared in Radio Electronics magazine in October 1958. The circuit is powered by the power grid and has two sensors that operate in a differential mode.
The integrator in the figure is characterized by low input current and is based on an LM101A. C1...
This circuit was found in an ancient American documentation. The integrated circuit is of the time...
This circuit, from a 1976 documentation, amplifies signals from 100 Hz to 600 kHz with a voltage fan...