This circuit is from a Radio Electronics magazine from February 1992. The circuit has the effect speed dependent on C1 and adjusted by R3.
This circuit makes use of the Linear Technology LT6100. We find it in a 2005 company manual. The...
This circuit, from a 1976 documentation, amplifies signals from 100 Hz to 600 kHz with a voltage fan...
This zero-crossing detector circuit produces an output pulse every time the input sinusoidal...