AN4133 datasheet(18/35 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

18 / 35 page

Transmitter

AN4133

18/35

Doc ID 023362 Rev 1

Figure 14.

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

922.3 MHz to 928.1 MHz (antenna power is more than 1 mW and 20 mW or less)

Figure 15.

Low-power radio station channel mask of a radio channel at 925 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:

-15 dBm or less

-50

-40

-30

-20

-10

9.245E+08

9.246E+08

9.247E+08

9.248E+08

9.249E+08

9.250E+08

9.251E+08

9.252E+08

9.253E+08

9.254E+08

9.255E+08

Frequency [Hz]

Low-power radio station 10 dBm 922.3 MHz to 928.1 MHz bandwidth

Spirit

ARIB Mask

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