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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 | |||
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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
â22.78
21
â19.54
21
â41.79
HD5
VCO â LO
VCO + LO
21
â61.78
21
â55.13
21
â63.40
VCO
LO + AFE
LO-AFE
21
â48.56
21
â59.2
21
â59.3
LO + AFE Ã 2
21
LO â AFE Ã 2
21
LO + XTAL Ã 2
21
â68.2
â67.4
â56.2
LO â XTAL Ã 2
21
LO + XTAL Ã 4
21
LO â XTAL Ã 4
21
â56.3
â57.5
â56.7
LO + XTAL Ã 8
21
LO â XTAL Ã 8
21
â59.1
â67.2
a. VCO = 1.5 Ã Fch, where Fch is the center frequency of the channel.
Maximum (dBm)
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Broadcom®
November 5, 2015 ⢠43455-DS109-R
BROADCOM CONFIDENTIAL
Page 126
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