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BCM43455 Datasheet, PDF (128/159 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
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
Spurious
Frequency
Power
(dBm)
Typ.
(dBm)
Max.
(dBm)
Typ.
(dBm)
Max.
(dBm)
HD2
19
â29.33
â
â32.56
â
HD3
VCO
VCO Ã 2
19
â39.71
â
19
â49.03
â
19
â55.64
â
â38.93
â
â48.35
â
â60.40
â
LO + VCO
19
LO â VCO
19
LO â AFE
19
â63.94
â
â81.58
â
â62.1
â
â62.80
â
â72.56
â
â63.3
â
LO + AFE
19
LO â XTAL Ã 4 19
LO + XTAL Ã 4 19
â57.8
â
â60.1
â
â57.2
â
â59.6
â
â60.1
â
â57.4
â
LO â XTAL Ã 6 19
LO + XTAL Ã 6 19
LO â XTAL Ã 8 19
â63.4
â
â60.2
â
â66.1
â
â59.3
â
â58.9
â
â67.3
â
LO + XTAL Ã 8 19
AFE Ã 12
19
â64.2
â
â
â
â63.8
â
â
â
a. VCO = (2/3) Ã Fch, where Fch is the center frequency of the channel.
CH5825a
Typ.
(dBm)
â33.14
â39.87
â46.70
â64.77
â62.16
â70.58
â60.4
â60.6
â58.7
â58.2
â61.1
â60.8
â63.8
â65.8
â
Max.
(dBm)
â
â
â
â
â
â
â
â
â
â
â
â
â
â
â
Broadcom®
November 5, 2015 ⢠43455-DS109-R
BROADCOM CONFIDENTIAL
Page 127
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