DMTA-20102-01EN, Rev. 7, October 2022
Specifications 65
When the UT channel is used in pulse-echo mode, pulses occur on both the P1 and R1
connectors. When pulse-echo mode is selected, Evident recommends using only one
probe on the P1 connector.
Fall time <10 ns
Pulse shape Negative square pulse
Output impedance <30 Ω
Receiver
Gain range 0 dB to 120 dB; maximum input signal
30 Vp-p (full-screen height)
Input impedance 50 Ω in pulse-echo mode
50 Ω in pitch-catch mode
System bandwidth 0.25 MHz to 28.5 MHz
Table 7 Acoustic specifications—PA channel
OmniScan X3 OmniScan X3 64
Certification
Calibration
certification
ISO 18563-1:2015
Pulser
Voltage 40 V, 80 V, and 115 V 10 Vpp, 20 Vpp, 40 Vpp, 80 Vpp,
120 Vpp, and 160 Vpp
Pulse width Adjustable from 30 ns to 500 ns;
resolution of 2.5 ns
Adjustable from 30 ns to 1000 ns (half
period of bipolar pulse or duration of
negative of pulse); resolution of 5 ns
Fall time <10 ns
Pulse shape Negative square pulse Bipolar negative-positive square
pulse, Negative square pulse
Output
impedance
28 Ω in pulse-echo
24 Ω in pitch-catch
35 Ω
Receiver
Table 6 Acoustic specifications—UT channel using UT connector (continued)
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