A high speed transceiver with a transmitter eliminating crosstalk induced jitter and a receiver with adaptively controllable reference voltage크로스톡 지터 제거하는 송신기와 레퍼런스 전압을 적응시키는 수신기를 가지는 고속 송수신기

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In the ultra high speed interface of the semiconductor memory such as PC main memory, graphic memory uses many channels, which are bus lines between CPU and memory. A memory interface that has 1-GHz data rate needs 4~16 Channels, moreover, a 5-Gbps graphic memory interface has 32~64 Channels. In this mass channel environment, crosstalk occurs between one line and other lines, which is the coupling of the energy from one line to other lines. There is no crosstalk in a single channel, but multi channels are affected by each other. The effect of crosstalk occurs differently according to the phase difference of the signals. The even mode of the signal is the same phase and the odd mode of the signal is the opposite phase. Crosstalk in the even mode makes late delay compare to the odd mode. Thus, Jitter is made by crosstalk due to the phase difference between the adjacent signals. The valid window of the data output decreases by means of these jitters. Another speed issue of the transmitter is that the charge error by the parasitic capacitance of the current mode output driver lowers the swing of the output driver. Capacitance coupling affects the negative effect in the high speed operation. The stable reference voltage is required for an input receiver. It distinguishes low or high level of the data of the transmitter whose source is from a transmission line or from a self generation. In a high bandwidth, the signal distorted by ISI (Inter symbol interference) reduces the noise margin. Thus reference voltage should be treated to get a better receiver performance. This thesis presents a voltage mode output driver to eliminate the crosstalk in the multi-channel as well as to improve signal integrity. This proposed output driver consists of the sub-drivers to provide crossly controllable driver strength, a short pulse generator, a selector, a splitter, additional pull-up/pull-down drivers, and driver control circuits. It is used for an arbitration technolog...
Advisors
Kim, Lee-Supresearcher김이섭researcher
Description
한국과학기술원 : 전기및전자공학전공,
Publisher
한국과학기술원
Issue Date
2008
Identifier
302002/325007  / 020064125
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 전기및전자공학전공, 2008. 8., [ v, 52 p. ]

Keywords

crosstalk; jitter; transmitter; transceiver; 크로스톡; 지터; 송신기; 송수신기; crosstalk; jitter; transmitter; transceiver; 크로스톡; 지터; 송신기; 송수신기

URI
http://hdl.handle.net/10203/38661
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=302002&flag=dissertation
Appears in Collection
EE-Theses_Master(석사논문)
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