Otto Bock 757L43, Instructions For Use Manual, Page: 124 / 127

voltage variations on
power supply input
lines
IEC 61000-4-11
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
30 A/m 1, 3, 30 A/m
Power should be at levels
characteristic of frequency magnetic
fields a typical location in a typical
commercial or hospital environment.
Conducted RF
IEC 61000-4-6
6 Vrms
150 kHz to
80 MHz
6 Vrms
Radiated RF
IEC 61000-4-3
10 V/m
80 MHz to
2,7 GHz
10 V/m
Field strengths from fixed transmitters such as base stations for radio (cellular/cordless) telephones, land
mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast, cannot be predicted
theoretically with accuracy. To assess the electromagnetic environment due to fixed RF transmitters an
electromagnetic site survey should be considered. If the measured field strength in the location in which
the DC/DC converter is used, exceeds the applicable RF compliance level above, the DC/DC converter
should be observed to verify normal operation. If abnormal performance is observed, additional measures
may be necessary, such as reorienting or relocating the DC/DC converter.
Field strengths from fixed RF transmitters, as determined by an electromagnetic site survey should be less
than the compliance level in each frequency range. Over the frequency range 150 kHz to 80 MHz, field
strength should be less than 3 V/m.
Interference may occur in the vicinity of equipment marked with the following symbol:
Proximity fields
from RF wireless
communications
equipment
IEC 61000-4-3
Frequency range and Level: RF wireless communication equipment
Test
Frequency
(MHz)
Modulation
Immunity Level
(V/m)
Supplementary
information:
EUT powered at one
of the nominal input
voltages and
frequencies.
Dwell time minimum
1s. Actual dwell time
noted in results table.
Note * - As an
alternative to FM
modulation, 50%
pulse modulation at
18Hz may be used
because while it does
not represent actual
modulation, it would
be worst case.
Note ** - The carrier
shall be modulated
using 50% duty cycle
square wave signal.
385 **Pulse Modulation: 18Hz 27
450
*FM
±5Hz deviation: 1kHz sine
28
710
745
780
**Pulse Modulation: 217Hz 9
810
870
930
**Pulse Modulation: 18Hz 28
1720
1845
1970
**Pulse Modulation: 217Hz 28
2450 **Pulse Modulation: 217Hz 28
5240
5500
5785
**Pulse Modulation: 217Hz 9