AN4133 datasheet(13/35 Pages) STMICROELECTRONICS

部件名	AN4133

功能描述	Using the SPIRIT1 transceiver under ARIB STD-T108 in the 920 MHz band

PDF	35 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

13 / 35 page

AN4133

Transmitter

Doc ID 023362 Rev 1

13/35

Figure 4.

Convenience radio station channel mask of a radio channel whose frequency is from

920.5 MHz to 922.3 MHz

Figure 5.

Convenience radio station channel mask of a radio channel at 922 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-200-100x(n-1)

fc+200+100x(n-1)

Unit:

kHz

Unit: dBm/100kHz

Power a t the edge:

+4 dBm or less

Spurious emission strength

(920.3 MHz to 924.3 MHz)

-29 dBm/100 kHz

Adja cent cha nnel

leakage power:

-5 dBm or less

-50

-40

-30

-20

-10

9.215E+08

9.216E+08

9.217E+08

9.218E+08

9.219E+08

9.220E+08

9.221E+08

9.222E+08

9.223E+08

9.224E+08

9.225E+08

Frequency [Hz]

Convenience radio station 10 dBm 920.5 MHz to 922.3 MHz bandwidth

Spirit

ARIB Mask

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