DEVICE FOR SIGNAL PROCESSING
The invention relates to a device for signal processing comprising a signal input (10) for receiving an input signal, a control input (20) for receiving a control signal, and an nth-order CIC filter for filtering the input signal. The CIC filter comprises n integrators (100, 200), which are arranged...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a device for signal processing comprising a signal input (10) for receiving an input signal, a control input (20) for receiving a control signal, and an nth-order CIC filter for filtering the input signal. The CIC filter comprises n integrators (100, 200), which are arranged one after the other and which each comprise a memory, n being greater than 1. For each of n-1 firstintegrators (200) of said integrators, the device comprises an associated correction computer (220) for correcting an integration error by using at least one signal value stored in the memory of thefirst integrator (200) in question. The device is designed to transfer said stored signal values to the associated correction computers (220) in response to the control signal and to clear the memoryof the remaining last integrator (100). Either the memories of the n-1 first integrators (200) are also cleared, or the device comprises a further correction computer and said signal values are also transferred to the further c |
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