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发明名称
传输线终端补偿电路
摘要
本发明提出一种晶片内终端电阻的补偿电路,可以产生精确的终端阻抗以补偿因为制程、温度、电压的变化等所造成的终端阻抗的误差。本发明的最大特点是以数位的方式调校包含n+1个分别具有2^0×k×r、2^1×k×r、2^2×k×r、…、2^n×k×r等阻抗值的并联电阻阵列,本发明藉由打开或关闭n+1个和这n+1个电阻串联的开关装置,而使得这个电阻阵列呈现是外部阻抗的k/m倍(k>0,m≧1)的终端阻抗,而不限于仅能产生等于外部阻抗、或是外部阻抗的一个固定倍数的终端阻抗。
申请公布号
TW200629723
申请公布日期
2006.08.16
申请号
TW094103250
申请日期
2005.02.02
申请人
奇岩电子股份有限公司
发明人
林鹏飞
分类号
H03H7/38
主分类号
H03H7/38
代理机构
代理人
洪尧顺
主权项
地址
新竹市东光路192号5楼之2
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