AN4133 datasheet(17/35 Pages) STMICROELECTRONICS

Teilenummer	AN4133

Bauteilbeschribung	Using the SPIRIT1 transceiver under ARIB STD-T108 in the 920 MHz band

PDF	35 Pages

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

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17 / 35 page

AN4133

Transmitter

Doc ID 023362 Rev 1

17/35

Figure 12.

Low-power radio station channel mask of a radio channel whose frequency is from

922.3 MHz to 928.1 MHz (antenna power is 1 mW or less)l

Figure 13.

Low-power radio station channel mask of a radio channel at 928 MHz

200 kHz

(200 x n) kHz

-10

-20

-30

-40

-50

Lower a dja cent

unit cha nnel

Upper a dja cent

unit cha nnel

(Center frequency)

fc-100xn

fc+100xn

Unit:

kHz

Unit: dBm/100kHz

Spurious emission strength

(915 MHz to 930 MHz)

-36 dBm/100 kHz

Adja cent cha nnel

lea ka ge power:

-26 dBm or less

-70

-60

-50

-40

-30

-20

-10

9.275E+08

9.276E+08

9.277E+08

9.278E+08

9.279E+08

9.280E+08

9.281E+08

9.282E+08

9.283E+08

9.284E+08

9.285E+08

Frequency [Hz]

Low-power radio station 0 dBm 922.3 MHz to 928.1 MHz bandwidth

Spirit

ARIB Mask

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