Found in a 1947 publication, this 7-tube amplifier uses four tubes in the output stage. The circuit uses a power source with a transformer.
This TTL divider divide by 0 to 9 the frequency of a signal applied to its input. Maximum...
This circuit was found in a 1980s Intersil documentation. The integrated circuit used is not...
We found this circuit in the January 1992 issue of Radio Electronics magazine. The circuit...