BLM21AG601SN1

Manufacturer Part NumberBLM21AG601SN1
ManufacturerMurata
BLM21AG601SN1 datasheet
 
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Page 156/163:

Limits of FCC Part Subpart B

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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.
5. Limits of FCC Part 15 Subpart B
(1)Class A recommend to be measured with 10m distance.
Class B recommend to be measured with 3m distance.
(2)The FCC Part 15 regulation controls radiated interference
by establishing quasi-peak and mean value limits for fre-
quencies ranging from 30MHz to 40GHz (or maximum
frequency's fifth harmonic, whichever is lower).
For AC main ports, the FCC Part 15 regulation controls
main terminal interference voltage by establishing quasi-
peak value limits for frequencies ranging from 450kHz to
30MHz.
Measurement Frequency Range for Radiated Interference
Maximum Frequency
Upper End of Measurement
the Equipment Internally
Frequency Range
Generates, Uses or Operates
or Synchronizes (MHz)
Less than 1.705
1.705 to 108
108 to 500
500 to 1000
Maximum Frequency's Fifth
Over 1000
Harmonic or 40GHz,
Whichever is Lower
(3)There is no regulation on power interference.
Outlines of Major Noise Regulation Standards
[Main Terminal Interference Voltage (Power Supply)]
90
70
50
30
10k
[Radiated Interference]
(MHz)
90
30
1000
2000
70
5000
50
30
10M
On the border frequency, lower limit should be applied.
Class A Equipment : The digital equipment that is sold to in the
Class B Equipment : The digital equipment that is sold to be
[FCC Regulations]
Part 1
Procedures
Part 2
Frequency Division and Radio Wave Treaty Issues and
General Rules
Part 15 Radio Wave Equipment
• Intentionally electromagnetic radiation equipment
• Non-intentionally electromagnetic radiation equipment
• Incidentally electromagnetic radiation equipment
Part 18 Industrial, Scientific and Medical Equipment
Part 22 Public Mobile Wireless Operations
Part 68 Connecting Terminal Equipment to Telephone Circuit Network
Part 76 Cable Television
C31E9.pdf 03.3.12
79
class A Quasi-peak value
73
66
class A Mean value
60
56
50
56
class B Quasi-peak value
46
class B Mean value
100k 150k 500k 1M
5M 10M 30M 100M
Frequency [Hz]
Noise level is regulated up to lower
frequency of the 5th harmonics of
maximum signal frequency and 40GHz.
60
class A
56.9
54
49.5
54
46
class B
43.5
40
30M
88M
100M
216M
960M
1G
Frequency [Hz]
commercial, industrial and office use.
used in residential area.
Continued on the following page.
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