Found in an 70s Electronic Engineering, this circuit divides the pulse frequency by non-integer numbers given by the positions of the switches.
A NOR gate can be improvised using one NAND gate of a 4011 as shown here. The diodes are...
This circuit is from a high voltage tube source. It does not include the filament voltage that must...
Found in the October 1992 Radio Electronics magazine, this oscillator is controlled by switch S1....