Acoustic Specifications; Table 53 Acoustic Specifications; I.1 Acoustic Specifications - Olympus OmniScan MX2 User Manual

DMTA-20015-01EN [U8778402], Rev. J, January 2014
I.1

Acoustic Specifications

This section lists the acoustic specifications for the pulser, receiver, and beam
formation (see Table 53 on page 160).
Voltage
Pulse width
Fall time
Pulse shape
Output impedance
Gain range
Input impedance
System bandwidth
Scan type
Aperture
Number of elements
Number of focal laws
Delay range transmission 0 µs to 10 µs in 2.5 ns increments
Delay range reception
160 Appendix I

Table 53 Acoustic specifications

Pulser
Low: 45 V
High: 90 V
Adjustable from 30 ns to 500 ns; resolution
of 2.5 ns
<5 ns
Negative square pulse
<30 Ω
Receiver
0 dB to 74 dB in steps of 0.1 dB, maximum
input signal 1.3 Vp-p (pulse-echo channel)
and 0.9 Vp-p (pitch-catch channel)
50 Ω (pulse-echo channel) and 150 Ω (pitch-
catch channel)
0.53 MHz to 21 MHz, ±10 % (–3 dB)
Beam formation
Sectorial and linear
32 elements
128 elements
256
0 µs to 10 µs in 2.5 ns increments