Table 8 Acoustic Specifications - Ut Channel Using Ut Connector; Table 9 Acoustic Specifications - Pa Channel - Olympus OmniScan SX User Manual

DMTA-20043-01EN [U8778624], Rev. B, May 2013
Table 8 on page 56 and Table 9 on page 56 detail the acoustic specifications of the
pulser, receiver, and beam formation, for both UT and PA modes.
Table 8 Acoustic specifications — UT channel using UT connector
Voltage
Pulse width
Fall time
Pulse shape
Output impedance
Gain range
Input impedance
System bandwidth
When the UT channel is used in pulse-echo mode, pulses occur on both the
connectors. When pulse-echo mode is selected, Olympus recommends using only the
1 connector to connect the probe.
P
Voltage
Pulse width
Fall time
Pulse shape
56 Chapter 6
95 V, 175 V, and 340 V
Adjustable from 30 ns to 1000 ns;
resolution of 2.5 ns
< 10 ns
Negative square pulse
< 30 Ω
Receiver
0 dB to 120 dB maximum input signal
34.5 Vp-p (full-screen height)
60 Ω in pulse-echo mode
50 Ω in pulse-receive mode
0.25 MHz to 28 MHz (–3 dB)
Table 9 Acoustic specifications — PA channel
40 V, 80 V, and 115 V
Adjustable from 30 ns to 500 ns;
resolution of 2.5 ns
< 10 ns
Negative square pulse
Pulser
Pulser
1 and 1
P R