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.
We found this oscillator in the 1994 National Semiconductor Handbook of Linear Applications. The...
This trimmer or reaper amplifier cuts the signal peaks at a voltage determined by the zener...
Found on Popular Electronics from 1970, this circuit fires a xenon lamp producing a C1-dependent...