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Advanced Ultrasonic Instrument
Sonia Blue
Main Features
Sonia Blue is a conventional ultrasonic module compatible with SONIA architecture. This module has 8 UT channels with high performance in analog electronics and in digital signal processing.
- 8 UT channels, single or dual crystal probes.
- Conventional applications (pulse-echo, through-transmission and TOFD techniques).
- Linear and logarithmic amplifiers, with high dynamic range (>90 dB).
- Bandwidth from 0.4 to 30 MHz (probes from 0.5 to 20 MHz).
- Negative square wave pulser, up to -300 V.
- High digital signal processing capabilities (digital filters, gates, signal types, etc…)
- Small size that permits to minimize the length of the transducers cables, digitizing the UT signal very close to the transducers. This implies lower UT signal distortion, attenuation and noise.
- Replace the analog communication lines by digital ones, immune to electromagnetic interferences (fiber optic), which means no signal distortion and/or noise in the transmitted signals and performance independent of installation layout.
- Low power consumption. The electronic boards are sealed in non-ventilated rugged enclosure
Technical Specifications
PULSER
Type
Negative square wave
Voltage
-100 to -300 V, 5V steps.
Width
40 to 500 ns, 1.0 ns steps
Maximum PRF
20 KHz
Fall time
<5 ns
Impedance
<10 Ω
Internal damping
150 Ω
PULSER
Type
Negative square wave
Voltage
-20 to -300 V, 1V steps.
Width
15 to 1000 ns, 1.0 ns steps
Maximum PRF
20 KHz
Fall time
<7 ns
Impedance
<4 Ω
Internal damping
470 Ω
RECEIVER
Amplifier type
Linear & Logarithmic
Input range
2.1 Vpp
Bandwidth
0.4 to 30 MHz @-3dB
Gain range
0 to 120 dB, 0.1 dB steps (80 dB analog + 40 dB digital)
DAC curve
80 dB maximum range, 16 points, 16 ms, 32 ns resolution, 40dB/us slope.
Dynamic range
90dB (in logarithmic mode)
DIGITAL FUNCTIONS
A/D sampling rate
125 MSPS, 14 bits Sampling decimation factor: 1 to 16
Gates
8 gates, max + 8 first echoes per gate.
1 gate for interface echo synchronization.
Signal modes
RF, True Envelope, Rectified (full, +/-), Logarithmic (analog), Logarithmic (digital)
Frequency Filters
Digital programmable IIR type, low-pass, high-pass, band-pass.
Noise reduction filters
Averaging
Anti-impulsive noise
Post-Rect smoothing filter
0 to 100% smoothing level control
Other digital functions
Real time alarms associated to echoes in gates. Signal inversion. Signal compression factor up to 64.
OTHERS
UT connectors
16 x LEMO 00 coaxial connectors
(8 T/R + 8 R connectors)
General I/O
4 digital inputs, 2 digital output (up to 24 V) optocoupled.
Fiber optic port
LC-Duplex optical connector (1 Gbit full-duplex)
Dimensions
175 x 115 x 64 mm (DxWxH).
Power
24 Vdc, 0.5 A max
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