Configurable digital filter device

A technology of digital filters and filter coefficients, applied in digital technology networks, electrical components, impedance networks, etc., can solve the problems of low filter multiplexing efficiency, difficult filter resource sharing, and long circuit delay.

Inactive Publication Date: 2015-11-25
SHENZHEN OKL TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The digital filter mainly involves the delay operation of the sampled data, the multiplication operation of the sampled data and the filter coefficient, and the addition operation of all products, etc. In the circuit implementation, the addition and multiplication are relatively resource-intensive, and the addition and multiplication functions The delay of the unit is also relatively long. In the multi-mode mobile phone terminal, it is difficult to share resources for t

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Embodiment Construction

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0016] Such as figure 1 An embodiment of the present invention provides a configurable digital filter device, including an instruction controller 1 , a filter coefficient multiplexing module 2 , a sampling data input module 3 , a data engine module 4 and an operation module 5 . The instruction controller 1 is connected to the data engine module 4 and the computing module 5 respectively, and is used to control the filter coefficient and sampling data provided b...

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Abstract

The invention provides a configurable digital filter device, and includes an instruction controller, a filter coefficient multiplexing module, a sampling data input module, a data engine module and an arithmetic module. The instruction controller is connected with the data engine module and the arithmetic module, the data engine module is connected to the arithmetic module and used for providing a filter coefficient and sampling data to the arithmetic module, the filter coefficient multiplexing module is connected with the data engine module, and a sampling data input module is connected with the data engine module. The device can share the data engine module and the arithmetic module, can perform instruction control on the data engine module and the arithmetic module, and enables the arithmetic module to complete multiplication and addition operation in a unified manner, different types of filters can be realized, a universal function is realized, multiplexing between different modes can be satisfied, a circuit delay can be shortened, and operation efficiency is improved.

Description

technical field [0001] The invention relates to a mobile terminal digital filter device, in particular to a configurable digital filter device. Background technique [0002] At present, in the technology of mobile communication, the digital filter is a relatively important component, which has the advantages of high precision, high reliability, programmable change of characteristics or multiplexing, and easy integration. Digital filters have been widely used in speech signal processing, image signal processing, medical biological signal processing, and other application fields (such as communications, radar, sonar, instrumentation, and seismic exploration, etc.), and digital filtering technology has also been It has become a relatively important technology. Whether it is signal acquisition, transmission, or signal processing and exchange, it is inseparable from digital filtering technology. It is crucial to safe, reliable, effective and flexible signal transmission. In the p...

Claims

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Application Information

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IPC IPC(8): H03H17/02
Inventor 曹昱升陈伟
Owner SHENZHEN OKL TECH
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