Ametek TESEQ KEMA 801A, Руководство пользователя, Страница: 7 / 12

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85-238526 E02
3. APPLICATION AND STANDARD REQUIREMENTS
3.1. General
The KEMA 801A is recommended as an additional decoupling network (ferrite tube clamp) for immunity test
according to IEC / EN 61000-4-6 when using the clamp injection method. It shall be inserted on all the cables
between EUT and AE except the cable under test. The KEMA 801A prevents, that the test signal applied to the
EUT affects other devices, equipment or systems, which are not under test and improves the reproducibility
of the test results.
The clamp mechanism of the KEMA 801A makes possible a simple insertion in the test setup.
Other application: Prevention of unwanted RF- currents at cables during emission measurements.
3.2. Test set-up example
The following figure shows a test set-up example for testing in accordance with IEC 61000-4-6 (EN 61000-4-
6).
Figure 1: Test set-up with EUT according IEC / EN 61000-4-6 with EM clamp (KEMZ 801), RF
attenuation clamp (KEMA 801A) and monitoring probe (MD 4070)
AE-side EUT-side
KEMZ 801
Insulating Ground plane
6 dB attenuator
Auxiliary
equipment
150 kHz ... 230 MHz (1000 MHz)
EM-Koppelzange
KEMZ 801
EUT
RF out
Amp in
< +10 dBm
Amp out
ch.1 < +27 dBm
ch.2 < +20 dBm
ch.3 < +20 dBm
Power meter
NSG 4070
Power USB
Tuning
StSize StSize StSize
Local
Back Stop
Run
Hold
0
.
1
4
7 8
5
2 3
kHz
dBm
6
9 MHz
dBµV
Hz
V
Enter
Step
1
STO
FRQ LVL
RCL
Step
2
Step
3
MOD
2nd
Help
RF
ON/OFF
EUT AE 1
Equipment
under test
KEMA 801A
Ground plane
150 kHz ... 1000 MHz
RF Attenuation Clamp
KEMA 801
MD 4070
Power meter
Insulating
AE 2
Insulating
Test generator e.g. Teseq NSG 4070
with built-in RF synthesizer,
broadband power amplifier and
power meter