EDAN Acclarix AX4 User Manual page 150

Acclarix AX4 Diagnostic Ultrasound System User Manual
portable and mobile RF communications equipment and the system
The system is intended for use in an electromagnetic environment in which radiated RF
disturbances are controlled. The customer or the user of the system can help prevent
electromagnetic interference by maintaining a minimum distance between portable and mobile RF
communications equipment (transmitters) and the system as recommended below, according to the
maximum output power of the communications equipment.
Rated maximum
output power of
transmitter
(W)
0.01
0.1
1
10
100
For transmitters rated at a maximum output power not listed above, the recommended separation
distance d in meters (m) can be estimated using the equation applicable to the frequency of the
transmitter, where P is the maximum output power rating of the transmitter in watts (W) according to
the transmitter manufacturer.
NOTE 1 At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected
by absorption and reflection from structures, objects and people.
Recommended Separation Distances
Recommended separation distances between
Separation distance according to frequency of transmitter(m)
150 kHz to 80 MHz

d 1 2 . P
0.12
0.38
1.2
3.8
12
80 MHz to 800 MHz

d 1 2 . P
0.12
0.38
1.2
3.8
12
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EMC Information
800 MHz to 2.7 GHz
0.23
0.73
2.3
7.3
23