Implementing Polyphase Filtering with the HSP50110 (DQT), HSP50210 (DCL) and the HSP43168 (DFF) APPLICATION NOTE
Polyphase resampling filters are often used for timing adjustments in bit synchronizer loops. They are most commonly used at high baud rates where the sample rate to baud rate ratio (f-S/R-Baud) is low. The HSP50110 Digital Quadrature Tuner (DQT) and HSP50210 Digital Costas Loop (DCL) chips support NCO driven polyphase resampling filtering when the HSP43168 Dual FIR Filter (DFF) is inserted between them. This Application Note will address use of the DQT, DFF and DCL in the polyphase filtering configuration.
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Digital Quadrature Tuner 、 DQT 、 Digital Costas Loop chips 、 DCL chips 、 Dual FIR Filter 、 DFF 、 DCL |
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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Jan 1998 |
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Rev.1.00 |
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AN9661 |
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455 KB |
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