This experimental circuit with Nixie tube was found in the Radio Electronics magazine of March 1969. The circuit serves for demonstrations and also for testing these digital indicator tubes.
This circuit uses a common diode to switch a high frequency signal. The circuit was found in the...
This circuit was found in a 1974 publication. It converts the applied voltage into pulses of...
Based on TTL logic this circuit can vary both the frequency and the pulse width of a rectangular signal....