DESCRIPTION
Controlled impedance is the maintenance of some specified tolerance in the characteristic impedance of an interconnect line (transmission line) that is used to connect different devices on a circuit. Controlled impedance
is often a design consideration for high-speed digital or high-frequency analog circuits. This guide is intended
to be used by circuit designers, packaging engineers, printed board fabricators, and procurement personnel. Enhancements within Revision A include expanded data for logic families, updated equations for unbalanced
lines, new equations for balanced line configurations, and detailed comparisons between capacitive lines and transmission lines, including propagation within transmission lines. 53 pages. Released March 2004.
| IPC International, Inc. | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | 2141A |
| Product Name | Design Guide for High-Speed Controlled Impedance Circuit Boards |