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Audix Technology (Shenzhen) Co., Ltd. Report No. ACS-E07439 page 11 of 66
3. POWER LINE CONDUCTED EMISSION TEST
3.1. Test Equipments
Item Equipment
Manufacturer
Model No. Serial No.
Last Cal.
Cal. Interval
1. Test Receiver Rohde & Schwarz ESHS10
838693/001
May 11, 07 1 Year
2. L.I.S.N.#1
Rohde & Schwarz ESH2-Z5 834066/011
May 11, 07 1 Year
3. L.I.S.N.#3
EMCO
3825/2
9006-1660
May 11, 07 1 Year
4.
Terminator
Hubersuhner
50
Ω
No. 1
May 11, 07 1 Year
5. RF Cable
MIYAZAKI
5D-2W
LISN Cable 1# Feb.16, 07 1/2 Year
6. Coaxial Switch Anritsu
MP59B
M55367
Feb.16, 07 1/2 Year
7. Pulse Limiter Rohde & Schwarz ESH3-Z2 100340
Feb.16, 07 1/2 Year
3.2. Block Diagram of Test Setup
(EUT: Computer Speaker System)
3.3. Test Standard
EN55022: 1998+A1:2000+A2: 2003
3.4. Power Line Conducted Emission Limit
Limits dB(
μV)
Frequency
MHz
Quasi-peak Level
Average Level
0.15 ~
0.50
66 ~ 56*
56 ~ 46*
0.50 ~ 5.00
56
46
5.00 ~ 30.00
60
50
Notes: 1. *Decreasing linearly with logarithm of frequency.
2. The lower limit shall apply at the transition frequencies.
PC
AC Mains
L.I.S.N. #1
Test Receiver
Keyboard
Mouse
EUT
AC Mains
Printer
L.I.S.N. #3
a: Audio Cable
b: USB Cable
: Core
b: USB Cable
: Core
a
Adaptor
Modem
Adaptor
Monitor
Headphone
b
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