BLM21AG601SN1

Manufacturer Part NumberBLM21AG601SN1
ManufacturerMurata
BLM21AG601SN1 datasheet
 


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Page 154/163:

Outlines of Major Noise Regulation Standards

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!Note
Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
!Note
• Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
This catalog has only typical specifications. Therefore, you are requested to approve our product specifications or to transact the approval sheet for product specificaions before ordering.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
Continued from the preceding page.
2. Measurement Point and Noise Detection
Regulation
Measuring Item
Polarization and Measuring Point
Radiated Interference
Horizontal Pol. Vertical Pol.
CISPR 22/
EN55022
Main Interference Voltage
AC Main Ports
Radiated Interference
Horizontal Pol. Vertical Pol.
VCCI
Main Interference Voltage
AC Main Ports
Radiated Interference
Horizontal Pol. Vertical Pol.
FCC Part 15
Main Interference Voltage
AC Main Ports
V
Short Repetition Period
3. Limits of CISPR 22/EN55022
(1)CISPR 22 recommends measurement at 10m distance.
However, other distance is acceptable if the limitation is
converted according to the following calculation.
Limitation shown left is converted to limitation for 3m
Conversion
Limitation for
Limitation for
10m Distance
3m Distance
R
(dB
V/m)
R
10
r
( V/m)
r
10
R
=20 log r
R
10
10
R
=R
+20 (1-log3)
3
10
= 10 r
r
3
10
3

Outlines of Major Noise Regulation Standards

Frequency (Hz)
30M to 1GHz
150k to 30MHz
30M to 1GHz
150k to 30MHz
30M to 40GHz
150k to 30MHz
PeakUQuasi-PeakUAverage
(Qp)
V
Peak Detection
Quasi-Peak Detection
Average Detection
t
[Main Terminal Interference Voltage (Power Supply)]
90
70
50
(dB
V/m)
3
30
( V/m)
3
=20 log r
3
3
[Radiated Interference]
90
70
50
30
10M
On the border frequency, lower limit should be applied.
Class A Equipment : The equipment which is used in light
Class B Equipment : The equipment which is used in
C31E9.pdf 03.3.12
Detection
Measuring Devices
Quasi-Peak Detection
Antenna
Quasi-Peak Detection Mean Detection
Artificial Main Network
Quasi-Peak Detection
Dipole Antenna
Quasi-Peak Detection Mean Detection
Artificial Main Network
Quasi-Peak Detection Mean Detection
Antenna
Quasi-Peak Detection
Artificial Main Network
Peak Detection
Quasi-Peak Detection
Average Detection
Long Repetition Period
79
class A Quasi-peak value
66
class A Mean value
56
56
class B Quasi-peak value
46
class B Mean value
10k
100k 150k 500k 1M
5M 10M 30M 100M
Frequency [Hz]
57
class A
50
class B
47
40
30M
100M
230M
Frequency [Hz]
industrial commercial areas.
residential areas.
Continued on the following page.
t
73
60
50
1G
153