Found in the 1969 neon lamp documentation, using neon lamps this circuit provides 18 V regulated with 0 to 4 mA current. The lamps are types of the time.
Sawtooth-type waveforms are typically generated by relaxation oscillators with unijunction...
This circuit was obtained in an Argentine publication in 1976. It consists of a series voltage...
Using a 4046 PLL, which is uncommon today, this circuit was found in the October 1994 issue of...