Using a tunnel diode, this circuit was found in a 1966 American publication. The circuit is for signals sampled at a speed of 8,000 sps.
In the figure we have the amplifier application in a NOR gate, with reference voltage equal to the...
Found in 1965 Radio Shack documentation, this circuit has a crystal phone output in the 14.8 kHz...
This oscillator or clock generator generates rectangular signals and frequencies up to 100 kHz....