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.
S The purpose of this circuit, found in a 1975 publication, is to suppress the noise that occurs when...
This circuit was found in a Popular Electronics from the 90s. The transistors are general purpose, and...
This circuit was found in a 1966’s American publication. What it does is to receive a pulse and...