AN4133 datasheet(7/35 Pages) STMICROELECTRONICS

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AN4133

An overview of ARIB STD-T108 regulation

Doc ID 023362 Rev 1

7/35

Table 3.

Permissible values for unwanted emission intensity

Frequency band

Spurious emission

strength (average power)

Reference bandwidth

≤ 710 MHz

-36 dBm

100 kHz

710 MHz < f

≤ 900 MHz

-55 dBm

1 MHz

900 MHz < f

≤ 915 MHz

-55 dBm

100 kHz

915 MHz < f

≤ 930 MHz

(Except for |f-fc|

≤ (200+100xn) kHz if

bandwidth of unit radio channel is 200 kHz,

except for |f-fc| <= (100+50xn) kHz if the

bandwidth of unit radio channel is 100 kHz.

Except for |f-fc| <= (100+100xn) kHz if

frequency band is 915.9 MHz

≤ f ≤ 916.9 MHz

and 920.5 MHz

≤ f ≤ 922.3 MHz.

Where n is a number of unit radio channels

constituting the radio channel and is an

integer from 1 to 5).

-36 dBm

100 kHz

930 MHz < f

≤ 1000 MHz

-55 dBm

100 kHz

1000 MHz < f

≤ 1215 MHz

-45 dBm

1 MHz

1215 MHz < f

-30 dBm

1 MHz

Table 4.

Limit on secondary radiated emissions, etc. at receiver

Frequency band

Limit on secondary radiated

emissions, etc. (antenna input)

Reference bandwidth

≤ 710 MHz

-54 dBm

100 kHz

710 MHz < f

≤ 900 MHz

-55 dBm

1 MHz

900 MHz < f

≤ 915 MHz

-55 dBm

100 kHz

915 MHz < f

≤ 930 MHz

-54 dBm

100 kHz

930 MHz < f

≤ 1000 MHz

-55 dBm

100 kHz

1000 MHz < f

-47 dBm

1 MHz

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