Technical Data / Information
Data interface: SCSI Bi-directional transfer of volume, image data sets between console
(Option) and mass storage medium.
Data transferred: volume, image data
date, time
clinic's name / doctor's name
patient data
control settings
No measurements and text data!
23.12 Spectral-Doppler
Working Modes: Pulsed Wave Doppler (Single Gate), PW
Continuous Wave Doppler, CW
Transmit frequencies: PW-Doppler: 2-15 MHz
CW-Doppler: 2 - 7.5 MHz
Pulse Repetition Frequency (PRF): 1.3 ...22 kHz
Sample Volume (Doppler Gate): Length: 1, 2.5, 5, 10, 15 mm
Position: 5 mm to B-scan end
Angle correction: - 85° … 0° ... + 85°
Power control: - 32dB
GAIN range: - 15 … + 15 dB
WMF (wall motion filter)PW: 60...600Hz
CW: 30...1000Hz
Zero line shift: ± PRF/2, ± 8 steps
Spectrum Analyzer: FFT (Fast Fourier Transformation)
Max. 512 channels, 255 amplitude levels
Display scroll speeds: 100, 150, 225 , 300 SL/s (SL.. spectral lines/sec.)
Review (memory times): > 60 s
Measurable flow velocities:
Pulsed wave: 1cm/s.....3m/s (a = 0°,3.5 MHz, max. zero shift)
1cm/s.....6m/s (a = 60°,3.5 MHz, max. zero shift)
Continuous wave: 1cm/s...7,6m/s (a = 0°,2.2MHz, max. zero shift)
1cm/s...15,2m/s (a = 60°,2.2MHz, max. zero shift)
Signal processing: Reject, 6 steps
Dynamic range 40dB – 150dB
Measuring value display: kHz, cm/s, m/s
Image formats: D, 2D+D (three different formats small, mid, large)
Simultaneous Mode: 2D+D and 2D+D+C
Audio-Modes: Stereo (both directions separately in both channels )
Audio Volume, balance: Adjustable, control knobs
Voluson
®
730Pro - Operation Manual
105831 Rev. 0 23-9
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