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- Q196285 subject Q7149786.
- Q196285 subject Q8458276.
- Q196285 abstract "This article relates to loudspeaker driving. See Zobel network for a more general description of telecommunications usageA Boucherot cell (or Zobel network) is an electronic filter, used in audio amplifiers to damp high frequency oscillations that might occur in the absence of loads at high frequencies. Named after Paul Boucherot a Boucherot cell typically consists of a resistor and capacitor in series, that is usually placed across a load, for stability.It is commonly seen in analog power amplifiers at the output of the driver stage, just before the output inductor. The speaker coil inductance of a loudspeaker generates a rising impedance which is worsened by the output inductor generally found in analog power amplifiers; the cell is used to limit this impedance.The documentation for some power operation amplifiers suggests the use of a "Boucherot cell between outputs and ground or across the load".Additionally, Boucherot cells are sometimes used across the bass driver (and mid-range) of a speaker system, in order to maintain a more constant driving point impedance as "seen" by a passive crossover. In this specific arrangement, the Boucherot cell is sometimes also known as a Zobel network.Some loudspeaker crossover designs aim to stabilize impedance at high frequencies by including Zobel networks.".
- Q196285 thumbnail Zobel_(16)_Zobel_loudspeaker_impedance_correction.svg?width=300.
- Q196285 wikiPageWikiLink Q1975192.
- Q196285 wikiPageWikiLink Q327754.
- Q196285 wikiPageWikiLink Q3933697.
- Q196285 wikiPageWikiLink Q5321.
- Q196285 wikiPageWikiLink Q5322.
- Q196285 wikiPageWikiLink Q686435.
- Q196285 wikiPageWikiLink Q7001207.
- Q196285 wikiPageWikiLink Q7149786.
- Q196285 wikiPageWikiLink Q758907.
- Q196285 wikiPageWikiLink Q8458276.
- Q196285 comment "This article relates to loudspeaker driving. See Zobel network for a more general description of telecommunications usageA Boucherot cell (or Zobel network) is an electronic filter, used in audio amplifiers to damp high frequency oscillations that might occur in the absence of loads at high frequencies.".
- Q196285 label "Boucherot cell".
- Q196285 depiction Zobel_(16)_Zobel_loudspeaker_impedance_correction.svg.