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发明名称
差信号产生装置及使用该差信号产生装置之光碟装置
摘要
本发明之差信号产生装置,其系使用电晶体差动放大电路产生出2个输入电流信号间之差信号者,且该装置于供给有输入电流之双极电晶体之集极与基极间,设置电压输出器等之具有高输入阻抗与低输出阻抗的基极电流供给电路,并自基极电流供给电路供给各电晶体之基极电流。藉此,使所供给之输入电流与电晶体之集极电流实质相等。因而,可免除受到电晶体之基极电流的影响,并显着减低差信号中所含的误差成分。
申请公布号
TW200506905
申请公布日期
2005.02.16
申请号
TW093108823
申请日期
2004.03.31
申请人
罗沐股份有限公司
发明人
西川浩二;船桥裕之
分类号
G11B7/08
主分类号
G11B7/08
代理机构
代理人
洪武雄;陈昭诚
主权项
地址
日本
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