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BCM43907 Datasheet, PDF (91/128 Pages) Cypress Semiconductor – WICED™ IEEE 802.11 a/b/g/n SoC with an Embedded Applications Processor | |||
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BCM43907 Preliminary Data Sheet
General Spurious Emissions Specifications
40-MHz Channel Spacing
Note: Possible AFE combinations are as follows. The AFE=VCO/9 specifications for channels 5190,
5510, and 5795 are listed in Table 30.
⢠AFE=VCO/18
⢠AFE=VCO/16
⢠AFE=VCO/8
⢠AFE=VCO/6
Table 30: 5 GHz Band, 40-MHz Channel Spacing TX Spurious Emissions Specifications
Frequency (Fch; MHz)
Spurious
Frequency
Power
(dBm)
5190 a
5510 b
5795 b
Typ. (dBm) Max. (dBm) Typ. (dBm) Max. (dBm) Typ. (dBm) Max. (dBm)
HD2
â5
HD3
â5
VCO
â5
VCOx2
â5
VCOx3
â5
AFEx2
â5
AFEx4
â5
AFEx6
â5
AFEx12
â5
AFEx15
â5
Fch + AFE â5
Fch + AFEx2 â5
Fch + AFEx3 â5
Fch â AFE â5
Fch â AFEx2 â5
Fch â AFEx3 â5
â56.9
â72.2
â50.6
â71.1
â75.9
â81.0
â79.0
â76.8
â
â76.1
â78.7
â78.5
â
â79.0
â79.0
â
â56.4
â71.7
â50.0
â69.8
â75.1
â79.8
â77.7
â75.3
â
â72.9
â76.1
â76.2
â
â77.3
â78.0
â
â58.5
â72.3
â53.7
â76.9
â58.5
â81.2
â80.0
â78.5
â74.5
â73.9
â78.6
â78.0
â78.6
â78.6
â79.2
â79.7
â57.3
â71.7
â53.4
â70.0
â57.3
â79.8
â78.9
â76.2
â73.6
â71.1
â77.7
â77.2
â78.0
â77.3
â78.6
â79.0
â58.7
â71.7
â51.4
â74.5
â58.7
â81.4
â78.3
â80.8
â79.0
â70.6
â77.5
â76.3
â78.2
â79.1
â79.2
â79.6
â57.3
â71.2
â50.7
â67.9
â57.3
â80.2
â77.5
â75.2
â77.8
â70.5
â75.9
â73.4
â77.6
â78.3
â78.6
â79.0
a. VCO = (3/4) x Fch, where Fch is the center frequency of the channel.
b. VCO = (2/3) Ã Fch, where Fch is the center frequency of the channel.
Receiver Spurious Emissions Specifications
Band
2G
5G
Table 31: 2G and 5G General Receiver Spurious Emissions
Frequency Range
2.4 GHz < f < 2.5 GHz
3.6 GHz < f < 3.8 GHz
5150 MHz < f < 5850 MHz
3.45 GHz < f < 3.9 GHz
Typical
â75.5
â52.8
â57.7
â48.6
Maximum
â74.1
â50.9
â56.1
â47.6
Unit
dBm
dBm
dBm
dBm
Broadcom®
March 12, 2016 ⢠43907-DS104-R
BROADCOM CONFIDENTIAL
Page 90
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