Spectral-Doppler - GE VOLUSON 730Pro Basic User Manual

Data interface: SCSI
(Option)
23.12

Spectral-Doppler

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