DMTA-20015-01EN [U8778402], Rev. J, January 2014
Appendix J
164
J.1
Acoustic Specifications
This section details the acoustic specifications of the pulser, receiver, and beam
formation (see Table 56 on page 164).
Table 56 Acoustic specifications
Pulser
Voltage
Low: 50 V
Medium: 100 V
High: 200 V
Pulse width
Adjustable from 30 ns to 500 ns; resolution
of 2.5 ns
Fall time
<5 ns
Pulse shape
Negative square pulse
Output impedance
<30
Ω
Receiver
Gain range
0 dB to 74 dB in steps of 0.1 dB, maximum
input signal 1.1 Vp-p
Input impedance
50
Ω
System bandwidth
0.53 MHZ to 23 MHz, ±10 % (–3 dB)
Beam formation
Scan type
Sectorial and linear
Aperture
32 elements
Number of elements
32 elements
Number of focal laws
256
Delay range transmission 0 µs to 10 µs in 2.5 ns increments
Delay range reception
0 µs to 10 µs in 2.5 ns increments
Содержание OmniScan MX2
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