Esaote O-scan eXP, User Manual

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16 / 20 Chapter 5
quadrature
bandwidth: gain 1 up to 0.43xfc, with fc
from 156.25 to 4.882 KHz
dark band: from 0.5xfc
attenuation 90 dB
transfer to DSP of two pairs of raw data (real
and imaginary part)
Synthesizer: digital, with frequency, amplitude and phase
modulation and resolution: frequency
9.3 MHz, amplitude 4096 levels, phase 1’19"
stability: <1 ppm in operating temperature
range
d 8 x 10
-8
in 15 minutes (0.75 degrees
centigrade maximum variation)
variable transmission gain: 16384 levels
RF transmission coil: linear, solenoidal. input impedance 50 Ohm,
maximum power 1500 Wpep
RF transmission power: power aplifier up to 1500 W pep RF amplifier
bandwidth 12.7 - 13.3 Mhz at 1 dBpp
Patient positioning
Patient seat: maximum admissible weight = 150 kg
fixed backrest height and inclination
leg rest
washable covering material
manual positioning
Foot rest device suitable also for cinematic examinations of the knee;
pedal switch for scan start-up.
Comfortable rest for non-examined limb.
Keyboard and display on magnet (optional): pushbuttons for real-time
management; TFT 3.5" display, 240x320, 64
grayscale levels for the display of real-time
images, to simplify patient positioning
Wrist locking/movement device (optional).
Installation area conditions
Type of installation: permanent or mobile
Overall dimensions: 2,8 mx 3,7 m
2,5 mx 3,2 m without console
2,3 m x 4,5 m (mobile installation)
Environmental operating conditions:
temperature: 20÷26 °C with variations of