公开(公告)号：US5363249A

公开(公告)日：1994-11-08

申请号：US839351

申请日：1992-02-20

申请人： Michael Fitzmorris

发明人： Michael Fitzmorris

IPC分类号： G11B5/027 ,  G11B5/00 ,  G11B5/02 ,  G11B5/09 ,  G11B19/02 ,  G11B20/10 ,  H03K17/16 ,  H03K17/66 ,  G11B15/12

CPC分类号： G11B5/022 ,  G11B19/02 ,  G11B20/10009 ,  G11B5/02 ,  H03K17/16 ,  H03K17/662 ,  G11B2005/0013

摘要： An apparatus for damping the ringing effects across the output terminals of a read/write circuit during write operation is described. The present invention introduces a first continuous damping resistance across the inductive load of the read/write head during the write operation, and automatically removes the damping resistance during the read operation. The circuit of the present invention also allows for a second damping resistance suitable for read mode attenuation to be placed directly across the output terminals. The equivalent damping resistance during the write mode is then the resistance of the second damping resistor in parallel with the resistance of the first damping resistor. The damping resistance causes exponential damping of the ringing signal elements, thereby reducing the settling time of the circuit and increasing the operating frequency range.

摘要翻译： 描述了一种用于在写入操作期间阻止读/写电路的输出端子上的振铃效应的装置。 本发明在写入操作期间在读/写头的电感负载上引入第一连续阻尼电阻，并且在读取操作期间自动消除阻尼电阻。 本发明的电路还允许适于读取模式衰减的第二阻尼电阻直接放置在输出端子两端。 在写入模式期间的等效阻尼电阻是第二阻尼电阻器与第一阻尼电阻器的电阻并联的电阻。 阻尼电阻引起振铃信号元件的指数衰减，从而减少电路的稳定时间并增加工作频率范围。