This circuit was found in documentation from the 1980s. The circuit uses several components of the time, which are uncommon today. We must not supply it with a transformerless power supply.
Obtained from a 1980s Linear Technology documentation, this circuit has a hysteresis of less than...
Found in documentation from the 1980s, this circuit makes use of discrete components of the time....
With this 1-transistor circuit we have a high input impedance and good gain. The circuit is from a...