Suggested by General Electric documentation from 1968, this circuit activates a relay after 60 seconds, keeping it closed. PUT is an uncommon component today.
This somewhat unusual configuration, mainly in the form of adjustment, is from a 1978 publication. The...
This circuit was found on an 80's Ham Radio. The transistor admits equivalent. The circuit can...
The purpose of this circuit is to modify the sound of organs so that they resemble the sound of a...