Tunable Digital Filter for the ALMA Correlator - RadioNet

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In-band rippleDigital Backend Meeting MPIfR Bonn - Sep 6, 2004Filter responseComposite stopband rejection(8+9 bit)2 nd FIR tap width: 9 bit10 bitmany bits
Digital Backend Meeting MPIfR Bonn - Sep 6, 2004Operation modes• Basic mode: 62.5 MHz band, 32independently tunable filters• Bypass mode: each filter outputs omeof the 32 input samples, requantizedto 2 bit• Reduced bandwidth: 31.25 MHz (tobe used with correlator oversamplemode) - 27.3 MHz usable BW• 4x2 and 4x4 bit modes for increasedsensitivity
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Tunable Digital Filter for the ALMA Correlator - RadioNet

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