Measurement of output driver impedance for signal integrity design consideration
Impedance matching is crucial in high-speed digital design to ensure signal integrity (SI). Accurate information of a...
Main Authors: | , , , , |
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Other Authors: | |
Format: | Conference Paper |
Language: | English |
Published: |
2010
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Subjects: | |
Online Access: | https://hdl.handle.net/10356/98491 http://hdl.handle.net/10220/6391 |
Summary: | Impedance matching is crucial in high-speed digital
design to ensure signal integrity (SI). Accurate information of a
device’s output impedance allows precise selection of series
resistor to match the device’s output to the characteristic
impedance of the connecting trace. This paper proposes an incircuit
measurement technique using two current probes to extract
the output impedance information of an active device under its
normal operating conditions. The measured impedance has been
validated with the time-domain simulation results obtained from
CST Design Studio. |
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