Constant Resistance Network
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A constant-resistance network in
electrical engineering Electrical engineering is an engineering discipline concerned with the study, design, and application of equipment, devices, and systems that use electricity, electronics, and electromagnetism. It emerged as an identifiable occupation in the l ...
is a network whose
input resistance In electrical engineering Electrical engineering is an engineering discipline concerned with the study, design, and application of equipment, devices, and systems that use electricity, electronics, and electromagnetism. It emerged as an iden ...
does not change with
frequency Frequency is the number of occurrences of a repeating event per unit of time. Frequency is an important parameter used in science and engineering to specify the rate of oscillatory and vibratory phenomena, such as mechanical vibrations, audio ...
when correctly terminated. Examples of constant resistance networks include: *
Zobel network : ''For the wave filter invented by Zobel and sometimes named after him see m-derived filters.'' Zobel networks are a type of filter section based on the image-impedance design principle. They are named after Otto Zobel of Bell Labs, who publi ...
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Lattice phase equaliser A lattice phase equaliser or lattice filter is an example of an all-pass filter. That is, the attenuation of the filter is constant at all frequency, frequencies but the relative phase (waves), phase between input and output varies with frequenc ...
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Boucherot cell : ''This article relates to loudspeaker driving. See Zobel network for a more general description of telecommunications usage.'' A Boucherot cell (or Zobel network) is an electronic filter, used in audio amplifiers to damp high-frequency oscilla ...
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Bridged T delay equaliser thumb The bridged-T delay equaliser is an electrical all-pass filter circuit utilising bridged-T topology whose purpose is to insert an (ideally) constant delay at all frequencies in the signal path. It is a class of image filter. Applications ...
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