All items tagged with filter and Switch (8)

1-07-2001 | Low-pass LC-filters in the audio frequency range require huge ferrite-cored inductors. Active filters are also tricky to construct because o...

1-12-1998 | This circuit shows that only a handful of parts is needed to make a light-controlled switch with a digital power buffer output capable o...

1-03-1996 | In audio engineering there is often a requirement for a filter that either passes or blocks certain frequencies or frequency ranges. This re...

1-07-1993 | High-order filters are normally designed by using two or more 2nd order sections in series. This means that a 4th-order filter needs at l...

1-12-1983 | disco phaser elektor december 1983 dis Phasing is an effect well known to musicians. In electronic parlance it is, in fact, a comb filter so...

1-02-1983 | R5620 ... a programmable universal filter with switched capacitors As their name implies, switched capacitor filters (SCFs) make use of swit...

1-09-1982 | 9-42 — elektor september 1982 applikator a full description with applications for the very versatile MF 10 by National realised with only...

1-10-1980 | 10-12 — elektor october 1980 switched capacitors On one side there is a voltage ui, on the other a voltage u2. For simplicity"s sake it wi...