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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
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
–5
HD3
–5
VCO
–5
VCOx2
–5
VCOx3
–5
AFEx2
–5
AFEx4
–5
AFEx6
–5
AFEx12
–5
AFEx15
–5
Fch + AFE –5
Fch + AFEx2 –5
Fch + AFEx3 –5
Fch – AFE –5
Fch – AFEx2 –5
Fch – AFEx3 –5
–56.9
–72.2
–50.6
–71.1
–75.9
–81.0
–79.0
–76.8
–
–76.1
–78.7
–78.5
–
–79.0
–79.0
–
–56.4
–71.7
–50.0
–69.8
–75.1
–79.8
–77.7
–75.3
–
–72.9
–76.1
–76.2
–
–77.3
–78.0
–
–58.5
–72.3
–53.7
–76.9
–58.5
–81.2
–80.0
–78.5
–74.5
–73.9
–78.6
–78.0
–78.6
–78.6
–79.2
–79.7
–57.3
–71.7
–53.4
–70.0
–57.3
–79.8
–78.9
–76.2
–73.6
–71.1
–77.7
–77.2
–78.0
–77.3
–78.6
–79.0
–58.7
–71.7
–51.4
–74.5
–58.7
–81.4
–78.3
–80.8
–79.0
–70.6
–77.5
–76.3
–78.2
–79.1
–79.2
–79.6
–57.3
–71.2
–50.7
–67.9
–57.3
–80.2
–77.5
–75.2
–77.8
–70.5
–75.9
–73.4
–77.6
–78.3
–78.6
–79.0
a. VCO = (3/4) x Fch, where Fch is the center frequency of the channel.
b. VCO = (2/3) × 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
–75.5
–52.8
–57.7
–48.6
Maximum
–74.1
–50.9
–56.1
–47.6
Unit
dBm
dBm
dBm
dBm
Broadcom®
March 12, 2016 • 43907-DS104-R
BROADCOM CONFIDENTIAL
Page 90