This simple SCR trigger was found in a 1965 General Electric SCR manual. The circuit makes use of a diac, and the transistor supports an equivalent.
This circuit consists of a simplified Hartley oscillator that changes the frequency according to...
May 2017 - Mouser Electronics already has for sale the new Littelfuse SP2555NUTG diode arrays for...
I found this simple zener diodes voltage divider circuit in an old documentation. The resistor...