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A low‐cost gate for ultrasound pulse‐echo studies
Author(s) -
Langrill Lawrence N.,
Goldstein Albert
Publication year - 1980
Publication title -
medical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.473
H-Index - 180
eISSN - 2473-4209
pISSN - 0094-2405
DOI - 10.1118/1.594725
Subject(s) - echo (communications protocol) , ultrasound , electronic engineering , transducer , acoustics , transmission (telecommunications) , electronic circuit , gating , pulse (music) , electronics , electrical engineering , computer science , engineering , voltage , physics , medicine , physiology , computer network
Selective gating of ultrasound echoes usually requires an expensive piece of electronics, a stepless gate. This note presents a simple circuit utilizing low‐cost components which is easily built, and gives satisfactory performance as a gate for the study of individual ultrasound echoes. The gate has been measured to have a transmission loss of −2 dB and an isolation of −50 dB.

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