Trigger with PUT (CB24089E)

This circuit was found in the November 1970 Radio Electronics magazine. Its function is to trigger without load bounce.

Sound amplifier (CB8733E)
This circuit was found in a 90s Radio Electronics. It is intended to amplify the sound channel of...
Microsecond CMOS Timer Up To Hours (CB1268E)
This circuit uses a 4020 counter that divides the frequency up to 210, being found in a former...
SCR Timer (CB23778E)
This circuit was found in a Radio Electronics magazine from May 1967. The circuit has the time...