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PSC-4490 22.6 MHZ NYQUIST BANDPASS FILTER FOR DIGITAL TO ANALOG CONVERTER
型号:   PSC-4490
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描述:   22.6 MHZ NYQUIST BANDPASS FILTER FOR DIGITAL TO ANALOG CONVERTER
文件大小 :   302 K    2 页
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品牌   AEROFLEX [ AEROFLEX CIRCUIT TECHNOLOGY ]
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Precision Supercomponents For Critical Applications
PSC-4490
22.6 MHZ NYQUIST BANDPASS
FILTER FOR DIGITAL TO
ANALOG CONVERTER
FEATURES
INVERSE SINC, SQUARE ROOT NYQUIST
( ARBITRARY SHAPING AVAILABLE)
FLAT GROUP DELAY
SHARP ATTENUATION
COMPACT SIZE
FREQUENCY RANGE; 1 MHZ - 3000 MHZ
DESCRIPTION
The Comstron Model PSC-4490 is a Nyquist bandpass
filter used in a DAC( digital to analog converter). The
purpose of the filter is to normalize the amplitude
response of an input
(Sin x)/x
signal spectrum, and
to reject unwanted frequencies while maintaining low
group delay variation in the passband. The equalizing
)
---------
shape over the passband is |x/sin x|
2
where
x
=
( π
f
-
fs
and fs=50.0 MSPS (sampling rate).
PSC-4490
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