This circuit, which can be used as a shield or in other applications, can be found elsewhere on this website. The supply must be made with 5 V.
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...