We found this circuit in a 1998 publication. The circuit has controls for both frequency and signal strength. A lamp is used to monitor the signals. The supply is made with a voltage of 12 V.
This circuit was found in Fairchild documentation and does not require integrated circuits. It...
The purpose of the presented project is to monitor up to four micro cam sequentially through a...
This circuit was found in General Electric's 1965 documentation. It appears elsewhere on the site....