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Receiver of low voltage difference signal

A low-voltage differential, receiver technology, used in the field of signal receivers

Inactive Publication Date: 2009-08-19
ETRON TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Another object of the present invention is to provide a low-voltage differential signal receiver, which amplifies the differential voltage output by the receiver with a separate amplifier and then controls the switch of the MOS component to overcome the unwanted effect caused by the differential noise. , and at the same time, it will not affect the output drive current of the transmitter at the other end

Method used

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  • Receiver of low voltage difference signal
  • Receiver of low voltage difference signal
  • Receiver of low voltage difference signal

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Embodiment Construction

[0022] The above and other technical features and advantages of the present invention will be described in more detail below in conjunction with the accompanying drawings.

[0023] The invention discloses a low-voltage differential signal (LVDS) receiver. The low-voltage differential signal receiver includes: an input-stage circuit receiving a low-voltage differential signal and converting it into two current signals; a current source circuit connected to the input-stage circuit, And generate the operating current required by the input stage circuit according to several bias signals; and a current mirror circuit connects the current source circuit and the input stage circuit, and receives the current signal to generate the output voltage signal, and the current mirror circuit generates the digital signal according to the current signal A bias signal to the current source circuit.

[0024] figure 2 Shown is a schematic circuit diagram of a low-voltage differential signal rece...

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Abstract

The present invention is a low-voltage differential signal (LVDS) receiver, which is implemented on an integrated circuit, including: an input stage circuit receives a differential signal of a full-scale common-mode voltage, and converts it into a current signal ; a current source circuit is connected to the input stage circuit to provide a current source; and a current mirror circuit is connected to the input stage circuit and the current source circuit to provide several bias voltage signals of the current source circuit and output a voltage signal to a buffer.

Description

technical field [0001] The invention relates to a signal receiver, in particular to a low voltage differential signal receiver. Background technique [0002] Today's demand for high-speed data transmission is pushing the interface technology toward high-speed, serial, differential, low-power, and point-to-point interfaces, and low voltage differential signal (LVDS) has all these characteristics. Low-voltage differential signaling (LVDS) is widely used in systems that require high signal integrity, low jitter, and common-mode characteristics. LVDS is a common transmission signal standard, which is used in high-speed transmission applications such as communication systems and display interfaces. [0003] Many sets of low voltage differential signal (LVDS) transmitters are required on the transmission interface, and each set of low voltage differential signal (LVDS) requires a receiver circuit to receive and amplify the tiny differential signal, and finally pass it into the ch...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K19/0185G09G5/00
Inventor 张振元黄贤生
Owner ETRON TECH INC