This two-port configuration of the 4001 was found in the April 1988 issue of Radio Electronics magazine. The timings are given by R1 and C1 as a function of the desired behavior of the circuit.
In applications where there is no danger of any contact with live points on the circuit by the...
This is an LED effect that we found in a 1988 documentation. The circuit drives LEDs with a...
In the figure we have the way to implement a TTL Schmitt trigger for 60 Hz signals, obtaining...