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Configurable high-frequency tuner

A tuner and high-frequency technology, applied in the field of radio frequency circuits, can solve the problem of low signal reception efficiency of high-frequency tuners

Inactive Publication Date: 2018-01-19
广汉市广视达电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The invention provides a configurable high-frequency tuner, which solves the technical problem that the high-frequency tuner receives signals with low efficiency in the prior art

Method used

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  • Configurable high-frequency tuner

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Embodiment Construction

[0011] The invention provides a configurable high-frequency tuner, which solves the technical problem of low signal receiving efficiency of the high-frequency tuner in the prior art.

[0012] In order to solve the above-mentioned technical problems, a detailed description will be given below in conjunction with the accompanying drawings of the description.

[0013] A configurable high-frequency tuner provided by an embodiment of the present invention, such as figure 1 As shown, it includes: a radio frequency signal input interface 10, a capacitor 20, a protection circuit 30, and a filter 40. One end of the protection circuit 30 is located between the capacitor 20 and the filter 40, and the other end is grounded. The capacitor 20 is located at the radio frequency signal input interface 10. Between the protection circuit 30, an inductor 50 is connected in parallel at both ends of the protection circuit 30, the radio frequency signal input interface 10 is connected to the registe...

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Abstract

The invention relates to the technical field of radio-frequency circuits, and discloses a configurable high-frequency tuner. The configurable high-frequency tuner comprises a radio-frequency signal input interface, a capacitor, a protection circuit, a filter, a microcontroller and a storage device. One end of the protection circuit is located between the capacitor and the filter. The other end ofthe protection circuit is grounded. The capacitor is located between the radio-frequency signal input interface and the protection circuit. Inductors are connected at two ends of the protection circuit in parallel. The radio-frequency signal input interface is connected with a register. The storage device is connected with the microcontroller. The microcontroller is connected with the register. After the radio-frequency signal input interface receives radio-frequency signals, the storage device is used for storing performance index values of the high-frequency tuner, the microcontroller compares the performance index values stored in the storage device with frequency values of the received radio-frequency signals, performance index parameters corresponding to the frequency values of the received radio-frequency signals are written into the register to realize configuration, and accordingly, signal receiving efficiency of the high-frequency tuner is improved.

Description

technical field [0001] The invention relates to the technical field of radio frequency circuits, in particular to a configurable high-frequency tuner. Background technique [0002] Since the performance of the existing high-frequency tuners is mostly different, when receiving radio frequency signals, they cannot meet the requirements of various radio frequency signals. Therefore, the existing high-frequency tuners have not been effectively configured. Therefore, There is a technical problem of low efficiency in receiving signals. Contents of the invention [0003] The invention provides a configurable high-frequency tuner, which solves the technical problem of low signal receiving efficiency of the high-frequency tuner in the prior art. [0004] In order to solve the problems of the technologies described above, a technical solution adopted in the present invention is: [0005] A configurable high-frequency tuner, including a radio frequency signal input interface, a cap...

Claims

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Application Information

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IPC IPC(8): H04B1/16H04N5/50
Inventor 吕兵
Owner 广汉市广视达电子有限公司
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