This high-Q low-pass filter was found in the October 1990 issue of Radio Electronics magazine. The frequency depends on the capacitors used and is on the order of a few tens of hertz.
This circuit was found in the July 1988 issue of Radio Electronics magazine. It makes use of an...
This crowbar protection circuit for non-regulators blows the fuse when the load voltage exceeds a...
This circuit may be modulated by a very low frequency signal, for example to obtain the vibrato...