This circuit with 24 dB per octave attenuation was found in the November 1973 Radio Electronics magazine. The components are for 1 kHz but can be recalculated for other frequencies.
Found in the July 1970 Radio Electronics magazine, this circuit has an adjustable activation time...
This circuit was originally suggested in a 1968 publication to generate a white mark (frame) on a...
This circuit was found in a Signetics documentation from the 1980s. Next to the figure are the...