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10 Specifications
10.1 Ultrasound parameters
Continuous ultrasound
Explanation of symbols:
f Ultrasonic radiation with an
acoustic working frequency of 1
or 3 MHz
f
p
Pulse repetition rate
dc Duty cycle
t Pulse duration
Pulsed ultrasound
Ultrasound parameters:
f Acoustic working frequency: 1MHz or 3MHz
f
p
Pulse repetition rate: 16, 48 and 100 Hz
dc Duty cycle: 5 – 80 %
t Pulse duration: 0.5 – 8 ms, set by duty cycle
RTPA 20 – 1.25
Amplitude
modulation
Duty cycle Pulse
duration
RTP
16Hz 5% 3.1ms 20 48Hz 50% 10.4ms 2
16Hz 10% 6.3ms 10 48Hz 80% 16.7ms 1.25
16Hz 20% 12.5ms 5 48Hz 100%* 20.8ms 1
16Hz 33% 20.6ms 3 100Hz 5% 0.5ms 20
16Hz 50% 31.3ms 2 100Hz 10% 1ms 10
16Hz 80% 50ms 1.25 100Hz 20% 2ms 5
16Hz 100%* 62.5ms 1 100Hz 33% 3.3ms 3.33
48Hz 5% 1ms 20 100Hz 50% 5ms 2
48Hz 10% 2.1ms 10 100Hz 80% 8ms 1.25
48Hz 20% 4.2ms 5 100Hz 100%* 10ms 1
48Hz 33% 6.9ms 3.33
* = continuous mode
Generator
Peak output Amplitude:
Duty cycle 5 – 50 % : 0 – 3 W/cm²
Duty cycle 80 % : 0 – 2.5 W/cm²
Duty cycle 100 % : 0 – 2 W/cm² (continuous wave)
Peak output power for 5 cm² applicator:
Duty cycle 5 – 50 % : 0 – 15 W
Duty cycle 80 % : 0 – 12 W
Duty cycle 100 % : 0 – 10 W (continuous wave)
Peak output power for 0.8 cm² applicator:
Duty cycle 5 – 50 % : 0 – 2.4 W
Duty cycle 80 % : 0 – 2 W
Duty cycle 100 % : 0 – 1.6 W (continuous wave)
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