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** Dichroic filter
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Some Related Sentences
** and filter
** Electronic filter, an electronic circuit which processes signals, for example to remove unwanted frequency components
** Digital filter, a system that performs mathematical operations to reduce or enhance certain aspects of a signal
** Analogue filter, a basic building block of signal processing much used in electronics, see Passive analogue filter development
** Affective filter, an impediment to learning or acquisition caused by negative emotional (" affective ") responses to one's environment.
** Subtractive synthesis, a method of creating a sound by removing harmonics, characterised by the application of an audio filter to an audio signal
** Pass band or Passband, the range of frequencies that can pass through an electronic filter without being attenuated
** In the case of narrow-band bandpass filters, the Q determines the-3dB bandwidth but also the degree of rejection of frequencies far removed from the center frequency ; if these two requirements are in conflict then a staggered-tuning bandpass filter may be needed.
** For high-pass and low-pass ( as well as band-pass filters far from the center frequency ), the required rejection may determine the slope of attenuation needed, and thus the " order " of the filter.
** Chebyshev filter – slight peaking / ripple in the passband before the corner ; Q > 0. 7071 for 2nd-order filters
Dichroic and filter
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