This circuit is from an Electronics World of 1968. The transistors are of the time and the power is supplied with a voltage of 40 V. The circuit is high fidelity.
A Schmitt trigger inverter can be obtained from each gate of the 4093 with the connection shown in the...
The circuit is from Motorola's Linear Databook from 1990, but the configuration is current because...
Found in a 90s American documentation, this circuit consists of a trigger that generates...