BCM43455 Preliminary Data Sheet
General Spurious Emissions Specifications
5 GHz Band Spurious Emissions
20 MHz Channel Spacing
Note: Possible AFE combinations are as follows. The AFE=VCO/18 specifications for channels 5180,
5500, and 5825 are listed in Table 40.
Table 40: 5 GHz Band, 20 MHz Channel Spacing TX Spurious Emissions Specifications
CH5180a
CH5500a
CH5825a
Spurious
Frequency
Power
(dBm)
Typ.
(dBm)
Max.
(dBm)
Typ.
(dBm)
Max.
(dBm)
Typ.
(dBm)
Max.
(dBm)
HD2
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
–29.33
–39.71
–49.03
–55.64
–63.94
–81.58
–62.1
–57.8
–60.1
–57.2
–63.4
–60.2
–66.1
–64.2
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–32.56
–38.93
–48.35
–60.40
–62.80
–72.56
–63.3
–59.6
–60.1
–57.4
–59.3
–58.9
–67.3
–63.8
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–33.14
–39.87
–46.70
–64.77
–62.16
–70.58
–60.4
–60.6
–58.7
–58.2
–61.1
–60.8
–63.8
–65.8
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
HD3
VCO
VCO × 2
LO + VCO
LO – VCO
LO – AFE
LO + AFE
LO – XTAL × 4
LO + XTAL × 4
LO – XTAL × 6
LO + XTAL × 6
LO – XTAL × 8
LO + XTAL × 8
AFE × 12
a. VCO = (2/3) × Fch, where Fch is the center frequency of the channel.
Broadcom®
November 5, 2015 • 43455-DS109-R
Page 127
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