Receiver and method for dynamically adjusting sensitivity of receiver

a dynamic adjustment and receiver technology, applied in the field of receivers, can solve the problems of abnormal operation of the chip, device may display abnormal images, and noise is a random signal that cannot be called, and achieve the effect of filtering a noise without decreasing the performance of the receiver

Active Publication Date: 2011-10-13
HIMAX TECH LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0005]The present invention is directed to a receiver and a method for dynamically adjusting sensitivity of the receiver, by which a receiving sensitivity of the receiver can be dynamically adjusted, so as to filter a noise without decreasing a performance of the receiver.
[0008]According to the above descriptions, in the present invention, the detection unit is used to detect the input signal group, and then the receiving sensitivity of the receiving unit is dynamically adjusted according to the detection result. When the receiving unit receives a noise, the receiving sensitivity of the receiving unit is decreased to filter the noise, so as to avoid transmitting the noise to a next stage circuit. When the receiving unit receives a normal signal, the receiving sensitivity of the receiving unit is increased, so as to avoid decreasing a performance of the receiver.

Problems solved by technology

When the signal of the previous stage is an abnormal input or a noise, an operation of a chip can be abnormal.
When the input signal of the receiver is an abnormal input or a noise, the operation of the timing controller can be abnormal, so that the display device may display an abnormal image.
However, the so-called noise is a random signal that cannot be predicted, which cannot be completely prevented according to a logical approach.

Method used

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  • Receiver and method for dynamically adjusting sensitivity of receiver

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Embodiment Construction

[0023]Reference will now be made in detail to the present preferred embodiments of the invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers are used in the drawings and the description to refer to the same or like parts.

[0024]Generally, energy (or amplitude) of a noise is lower than that of a normal signal. To filter the noise, an input terminal of a receiver can be designed to have a low sensitivity, so that the noise cannot pass through the receiver, though the normal signal having larger energy can smoothly pass through the receiver. However, although such method can effectively filter the noise having smaller energy, a performance of the input terminal of the receiver is also decreased. Namely, a part of the normal signals having relatively small energy probably cannot be input to the receiver having the low sensitivity. Therefore, usage of the low sensitivity receiver can decrease a capability of tolerating err...

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Abstract

A receiver and a method for dynamically adjusting sensitivity of the receiver are provided. The receiver includes a detection unit and a receiving unit. The detection unit detects an input signal group, and outputs a detection result. The receiving unit receives the input signal group according to a sensitivity. Wherein, the receiving unit dynamically adjusts the sensitivity used for receiving the input signal group according to the detection result of the detection unit.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention relates to a receiver. More particularly, the present invention relates to a receiver capable of dynamically adjusting sensitivity thereof and a method for dynamically adjusting sensitivity of the receiver.[0003]2. Description of Related Art[0004]A receiver can provide an interface, so that signals of a previous stage can be correctly transmitted to a next stage. When the signal of the previous stage is an abnormal input or a noise, an operation of a chip can be abnormal. For example, in a display device, a video scaler transmits a signal group containing a clock signal and a data signal to a timing controller according to a low voltage differential signalling (LVDS) technique. A receiver in the timing controller receives the signal group, and transmits the signal group to an internal circuit of the timing controller. When the input signal of the receiver is an abnormal input or a noise, the operat...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04B1/10
CPCH04B1/1036
Inventor LIN, SHIH-CHUN
Owner HIMAX TECH LTD
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