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. Author manuscript; available in PMC: 2014 Jul 10.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2013 Jul;60(7):1386–1400. doi: 10.1109/TUFFC.2013.2711

TABLE I.

Transducers Used, Their Nominal Center Frequencies, and Approximate Bandwidths Covered by the Transducers for Each System Are Summarized, Along With the Cutoff Criterion Used to Determine the Bandwidth.

Ultrasound system Transducer Nominal
center
frequency
(MHz)
Approximate
combined
bandwidth
(MHz)
Bandwidth
cutoff
criterion
Data
sampling rate
(MHz)
Ultrasonix SonixRP L9–4/38 5 2 to 8 −15 dB 40
L14–5/38 6
Zonare Z.one L8–3 7 4 to 9 −20 dB 50
L14–5sp 10
Siemens Acuson S2000 4V1 3 2 to 14 10 dB higher than noise floor 40
9L4 6
18L6 10
Laboratory 3.5f3 3.5 0.6 to 10.5 −6 dB 40
7.5f4 7.5