This interesting circuit for analog TV selects the first line of a frame. The circuit was found in a 1967 Electronic Design. A modern equivalent transistor can be tried.
This circuit, which is also a leak meter, has a detection resistance of billions of ohms. We found...
With the precision given by the crystal this circuit provides signals of several frequencies for the...
January 2017 - New ROHM TFZV series of zener diodes is now available from Mouser Electronics. The...