BCM43455 Preliminary Data Sheet
General Spurious Emissions Specifications
2.4 GHz Band Spurious Emissions
20 MHz Channel Spacing
Note: Possible AFE combinations are as follows. The AFE=VCO/16 specifications for channel 2442
are listed in Table 39.
Table 39: 2.4 GHz Band, 20 MHz Channel Spacing TX Spurious Emissions Specificationsa
Frequency (Fch; MHz) Channel 2442
Spurious Frequency
Power (dBm)
Typical (dBm)
Maximum (dBm)
HD2
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
–22.78
–19.54
–41.79
–61.78
–55.13
–63.40
–48.56
–59.2
–59.3
–68.2
–67.4
–56.2
–56.3
–57.5
–56.7
–59.1
–67.2
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
HD3
HD4
HD5
VCO – LO
VCO + LO
VCO
LO + AFE
LO-AFE
LO + AFE × 2
LO – AFE × 2
LO + XTAL × 2
LO – XTAL × 2
LO + XTAL × 4
LO – XTAL × 4
LO + XTAL × 8
LO – XTAL × 8
a. VCO = 1.5 × Fch, where Fch is the center frequency of the channel.
Broadcom®
November 5, 2015 • 43455-DS109-R
Page 126
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