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Pulsed Mode Ultrasound Waveform
Pulse
Mode
Frequency
1:1
250 Hz
1:2
166 Hz
1:4
100 Hz
1:9
50 Hz
The pulse width is fixed at 2 ms
Output Display
The 850 display shows the temporal-peak spatial-average ultrasound intensity
and optionally the temporal-average power or the temporal-peak power as
selected.
COMBINATION 850
Pulse
Off Time
Width
(See table)
(2 ms)
Off
Time
2 ms
4 ms
8 ms
18 ms
15
Envelope of ultrasound wave
Duty
Temporal peak
Cycle
to average ratio
50%
33%
20%
10%
2:1
3:1
5:1
10:1
ISSUE 2
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