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BCM43455 Datasheet, PDF (127/159 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac MAC/Baseband/ Radio with Integrated Bluetooth 4.1 and FM Receiver
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)
HD2
HD3
HD4
21
–22.78
21
–19.54
21
–41.79
HD5
VCO – LO
VCO + LO
21
–61.78
21
–55.13
21
–63.40
VCO
LO + AFE
LO-AFE
21
–48.56
21
–59.2
21
–59.3
LO + AFE × 2
21
LO – AFE × 2
21
LO + XTAL × 2
21
–68.2
–67.4
–56.2
LO – XTAL × 2
21
LO + XTAL × 4
21
LO – XTAL × 4
21
–56.3
–57.5
–56.7
LO + XTAL × 8
21
LO – XTAL × 8
21
–59.1
–67.2
a. VCO = 1.5 × Fch, where Fch is the center frequency of the channel.
Maximum (dBm)
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Broadcom®
November 5, 2015 • 43455-DS109-R
BROADCOM CONFIDENTIAL
Page 126