Table 71 Acoustic Specifications - Pa Channel - Olympus OmniScan MX2 User Manual

Table 70 Acoustic specifications — UT channel using UT connector (continued)
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 one
probe on the 1 connector.
P
Table 71 Acoustic specifications — PA channel
Voltage
Pulse width
Fall time
Pulse shape
Output impedance
Gain range
Input impedance
System bandwidth
OMNI-M2-PA1664/16128/32128/32128PR Module Specifications
DMTA-20015-01EN [U8778402], Rev. J, January 2014
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)
Pulser
40 V, 80 V, and 115 V
Adjustable from 30 ns to 500 ns; resolution of 2.5 ns
<10 ns
Negative square pulse
For 32128PR model:
35 Ω in pulse-echo
30 Ω in pitch-catch
For other models:
25 Ω
Receiver
0 dB to 80 dB maximum input signal 550 mVp-p (full-
screen height).
For 32128PR model:
50 Ω in pulse-echo
90 Ω in pitch-catch
For other models:
65 Ω
0.6 MHz to 18 MHz (–3 dB)
1 and 1
P R
189