This circuit was obtained in a magazine for radio amateurs 73 of the 90s. The circuit is based on the XR2206, which is not a component found easily today.
Found in an Electronic Design of 1964, this circuit operates with control voltages from 0 to 12 V...
This circuit uses an SCR as an active component, working only at short distances. The circuit was...
We found this circuit in a Radio Electronics from July 1968. The circuit generates rectangular pulses...