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.
Designed to operate with a video camera, this small transmitter was found in the February 1993...
This circuit can have its output configured by choosing resistors R1 and R2 according to the...
This circuit is from a Popular Electronics from the 90s. The circuit requires extreme care in use, as...