This fader or fader was found in a 90s Popular Electronics. The circuit uses transistors that are equivalent to BC548. Input and output cables must be shielded.
Originally designed to analyze the shape of light pulses from a flash for photographic...
This CMOS oscillator circuit generates signals up to a few megahertz, depending on the capacitor value....
Generating sinusoidal signals from 1.5 to 15 kHz, this oscillator uses common complementary...