This circuit was published in Radio Electronics magazine in June 1959. The circuit uses an inverter with transformer to generate the high voltage of the Geiger tube.
We found this circuit in a publication from the 90's. The circuit is used with sinusoidal...
The selected circuit generates short duration pulses at a frequency determined by R1 and C1. The...
This interesting configuration of voltmeter with FET, with very high input impedance was found in an...