Signal modulation method, adaptive equalizer and memory storage device
A storage device and equalizer technology, applied in information storage, static memory, digital memory information, etc., can solve the problems of signal quality impact and high power consumption
Active Publication Date: 2019-01-08
PHISON ELECTRONICS
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Problems solved by technology
For example, in an environment where the signal decays quickly, the equalizer is suitable for operating in a high power mode to increase the compensation value for the signal, but the power consumption of operating in a high power mode is relatively high
In addition, for high-frequency signals and low-frequency signals, the parameters used by the equalizer will also have different effects on the signal quality
Method used
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[0092] Hereinafter, several examples are presented to illustrate the present invention, but the present invention is not limited to the illustrated examples. Appropriate combinations are also allowed between the embodiments. The term "electrical connection" used throughout the specification (including the claims of the application) may refer to any direct or indirect connection means. For example, if it is described in the text that a first device is electrically connected to a second device, it should be interpreted that the first device can be directly connected to the second device, or the first device can be connected through other devices or some kind of connection means. and indirectly connected to the second device. Additionally, the term "signal" may refer to at least one current, voltage, charge, temperature, data, or any other signal or signals.
[0093] Figure 1A is a schematic diagram of an adaptive equalizer shown in an embodiment of the present invention. Fi...
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The invention provides a signal modulation method, an adaptive balancer and a memory storage apparatus. A signal jump method is used for the adaptive balancer and comprises the steps of receiving a first data signal and outputting a second data signal; executing first modulation for the first data signal based on a first power mode to obtain a first eye width corresponding to the second data signal; executing second modulation for the first data signal based on a second power mode to obtain a second eye width corresponding to the second data signal, wherein the power consumption for executing the second modulation based on the second power mode is smaller than that for executing the first modulation based on the first power mode; if the first eye width is greater than the second eye width, executing third modulation for the first data signal based on the first power mode to obtain a third eye width corresponding to the second data signal; and if the first eye width is not greater than the second eye width, executing the third modulation for the first data signal based on the second power mode and obtaining the third eye width corresponding to the second data signal. According to the signal modulation method, the adaptive balancer and the memory storage apparatus, the efficiency of the adaptive balancer can be improved.
Description
technical field [0001] The present invention relates to a signal modulation, and in particular to a signal modulation method, an adaptive equalizer and a memory storage device. Background technique [0002] As the speed of signal transmission increases, the performance requirements for receivers that can be used to improve the data reception capability of the receiving end are also stronger. For example, an adaptive equalizer (adaptive equalizer) is commonly used in receivers for wired transmission. Generally, an equalizer and an eye-width detector are configured in the adaptive equalizer. The eye width detector detects the eye width of the signal modulated by the equalizer. The detected eye width can be used by the adaptive equalizer. For example, an adaptive equalizer may adjust equalizer parameters according to detected eye width. Depending on the adjusted equalizer parameters, the equalizer can gradually improve the signal quality of the signal it outputs. For examp...
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IPC IPC(8): G11C7/10
Inventor 魏暐庭陈圣文陈维咏陈志铭
Owner PHISON ELECTRONICS