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BCM4319GKUBGT Datasheet, PDF (67/84 Pages) Cypress Semiconductor – Single-Chip IEEE 802.11™ a/b/g/n MAC/Baseband/ Radio with Integrated SDIO and USB Interfaces | |||
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BCM4319 Preliminary Data Sheet
5 GHz Band RF Receiver Specifications
5 GHz Band RF Receiver Specifications
Table 17: 5 GHz Band Receiver RF Specificationsa
Characteristic
Condition
Minimum Typical Maximum Unit
Cascaded noise figure
Maximum receive levela
Maximum RX gain â
4.5
â
5.24 GHz @ 6 Mbps â10
â
â
5.24 GHz @ 54 Mbps â15
â
â
dB
dBm
dBm
DC rejection servo loop bandwidth
(normal operation)
Wideband mode
Narrowband mode
â
500
120 Hz â
â
kHz
230
kHz
Adjacent channel power rejection
At 20-MHz offset
â
TBD
â
dBc
Alternate channel power rejection At 40-MHz offset
â
TBD
â
dBc
Minimum RX gain
â
â
15
â
dB
Maximum RX gain
â
â
>100
â
dB
IQ amplitude balance
â
IQ phase balance
â
â
0.5
â
dB
â
1.5
â
°
Out-of-Band Blocking Performance without RF Band-Pass Filter (â1 dB desensitization):
CW
30â4300 MHz
â10
â
â
dBm
CW
4300â4800 MHz
â25
â
â
dBm
CW
5900â6400 MHz
â25
â
â
dBm
a. With minimum RF gain.
Table 18: 5 GHz Receiver Sensitivity
Parameter
Condition/Notes Minimum Typical Maximum
Unit
Frequency range
â
4900
â
RX sensitivity
6 Mbps OFDM
â87.5
â89
(10% PER for 1000 octet PSDU) at
External LNA Input
9 Mbps OFDM
12 Mbps OFDM
â86.5
â88
â86.5
â88
18 Mbps OFDM
â85.5
â87
24 Mbps OFDM
â82.5
â84
36 Mbps OFDM
â79.5
â81
48 Mbps OFDM
â73.5
â75
54 Mbps OFDM
â71.5
â73
RX sensitivity
HT mode MCS 7 (64 â69.5
â71
(10% PER for 4096 octet PSDU) at
external LNA inputa, b
QAM, R = 5/6, 20 MHz
channel spacing)
5845
â
â
â
â
â
â
â
â
â
MHz
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
a. Contact Broadcom for details on recommended LNAs.
b. Derate by 1.5 dB for -30 °C to -10°C and 55°C to 85°C.
Broadcom®
April 2, 2014 ⢠4319-DS05-R
Single-Chip IEEE 802.11⢠a/b/g/n MAC/Baseband/Radio
Page 66
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