2016 IEEE 20th Workshop on Signal and Power Integrity (SPI), May 2016, pp.1-4
Modern chip to chip communication systems are often limited by reflective interference created by impedance discontinuities in the interconnect. Common approaches to reducing the inter-symbol interference (ISI) in the passive interconnect are primitive, time consuming and prone to user bias. When the interconnect is viewed as a signal-flow graph, the channel response can be analytically expressed through Mason's rule. The expression is simplified to enable decomposing the ISI into resonant loop contributions created by impedance discontinuity pairs. This data can be used to choose which discontinuities to redesign, and to bound the expected benefit.
Integrated Circuit Interconnections ; Interference ; Impedance ; Scattering Parameters ; Distortion ; Connectors ; Receivers
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