This circuit found in 1969 Popular Electronics is used to power a gas laser. The circuit produces a continuous voltage of 1,600 V. Diodes are high voltage types.
Suggested by Texas Instruments in 1980s documentation, this circuit uses a component of the era....
a This circuit was obtained from a 1978 Practical Wireless. It causes a low-power 1.5V lamp to...
Two LEDs are used in this TTL circuit. Frequency is given by C1 and C2. Power supply must be a 5 V...