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1. 发明授权

US08067718B2 Method and apparatus for probing 有权
标题翻译：探测方法和装置
公开(公告)号：US08067718B2
公开(公告)日：2011-11-29
申请号：US11418994
申请日：2006-05-04
申请人： Robert A. Nordstrom , William Q. Law , Mark W. Nightingale , Einar O. Traa , Ira G. Pollock
发明人： Robert A. Nordstrom , William Q. Law , Mark W. Nightingale , Einar O. Traa , Ira G. Pollock
IPC分类号： H05B1/02
CPC分类号： G01R31/2818 , G01R1/0416 , G01R1/06772 , G01R31/2884
摘要： A probe comprises a small “consumable” probe substrate permanently mounted to a circuit-under-test. The probe substrate includes a high-fidelity signal pathway, which is inserted into a conductor of the circuit-under-test, and a high-bandwidth sensing circuit which senses the signal-under-test as it propagates along the signal pathway. The probe substrate further includes a probe socket for receiving a detachable interconnect to a measurement instrument. Power is alternatively supplied to the probe by the circuit-under-test or the interconnect. When the interconnect is attached, control signals from the measurement instrument are supplied to the sensing circuit and the output of the sensing circuit is supplied to the measurement instrument. In one embodiment, the sensing circuit uses high-breakdown transistors in order to avoid the use of passive attenuation. In a further embodiment, the sensing circuit includes broadband directional sensing circuitry.
摘要翻译：探针包括永久地安装到被测电路的小的“可消耗”探针基板。探针衬底包括插入到被测电路的导体中的高保真信号路径以及当沿着信号路径传播时感测待测信号的高带宽感测电路。探针基板还包括用于接收与测量仪器的可拆卸互连的探针插座。通过被测电路或互连将电源交替地提供给探针。当连接互连时，来自测量仪器的控制信号被提供给感测电路，感测电路的输出被提供给测量仪器。在一个实施例中，感测电路使用高击穿晶体管，以避免使用被动衰减。在另一实施例中，感测电路包括宽带方向感测电路。

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