411 REFERENCE · Wiktionary
Smith chart
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Invented by Phillip H. Smith (1905–1987).
Noun
thumbnail|250px|An impedance Smith chart (with no data plotted)
A nomogram displaying impedances, admittances, etc., used by engineers to assist in solving problems with transmission lines and matching circuits.
en eponyms
en Engineering