DMTA-20043-01EN [U8778624], Rev. B, May 2013
Specifications 57
Table 10 on page 57 lists the acquisition specifications for frequency, data display, and
synchronization.
.
Output impedance 35 Ω (pulse-echo mode); 30 Ω (pitch-
catch mode)
Receiver
Gain range 0 dB to 80 dB maximum input signal
550 mVp-p (full-screen height)
Input impedance 60 Ω (pulse-echo mode); 150 Ω (pitch-
catch mode)
System bandwidth 0.6 MHz to 18 MHz (–3 dB)
Beam formation
Scan type Sectorial and linear
Aperture OMNISX-PA1664PR = 16 elements
OMNISX-UT = N/A
Number of focal laws 256
Delay range
transmission
0 µs to 10 µs in 2.5 ns increments
Delay range reception 0µs to 6.4µs in 2.5ns increments
Table 10 Acquisition specifications
Frequency
Digitizing frequency 400 MHz (12 bits) after interpolation
per 4 (UT channel) and 5/4 (PA
channel)
a
A-scan (acquisition
mode)
Up to 6000 A-scans per second
(512-point, 8-bit A-scan)
Maximum pulsing rate Up to 6 kHz (C-scan)
Depth in material 59.8 meters in steel (longitudinal
wave), 10 ms with compression
0.49 meter in steel (longitudinal wave),
81.9 µs without compression
Table 9 Acoustic specifications — PA channel (continued)
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