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
–
4.5
–
–
dB
5.24 GHz @ 6 Mbps
–10
–
dBm
dBm
kHz
kHz
dBc
dBc
dB
5.24 GHz @ 54 Mbps –15
–
–
DC rejection servo loop bandwidth
(normal operation)
Wideband mode
–
500
–
–
Narrowband mode
120 Hz
230
–
Adjacent channel power rejection
Alternate channel power rejection
Minimum RX gain
At 20-MHz offset
–
–
–
–
–
–
TBD
TBD
15
At 40-MHz offset
–
–
–
–
–
–
Maximum RX gain
>100
0.5
1.5
–
dB
IQ amplitude balance
–
dB
IQ phase balance
–
°
Out-of-Band Blocking Performance without RF Band-Pass Filter (–1 dB desensitization):
CW
CW
CW
30–4300 MHz
–10
–25
–25
–
–
–
–
–
–
dBm
dBm
dBm
4300–4800 MHz
5900–6400 MHz
a. With minimum RF gain.
Table 18: 5 GHz Receiver Sensitivity
Parameter
Condition/Notes
Minimum
Typical Maximum
Unit
Frequency range
RX sensitivity
–
4900
–
5845
MHz
6 Mbps OFDM
9 Mbps OFDM
12 Mbps OFDM
18 Mbps OFDM
24 Mbps OFDM
36 Mbps OFDM
48 Mbps OFDM
54 Mbps OFDM
–87.5
–86.5
–86.5
–85.5
–82.5
–79.5
–73.5
–71.5
–69.5
–89
–88
–88
–87
–84
–81
–75
–73
–71
–
–
–
–
–
–
–
–
–
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
(10% PER for 1000 octet PSDU) at
External LNA Input
RX sensitivity
HT mode MCS 7 (64
QAM, R = 5/6, 20 MHz
channel spacing)
(10% PER for 4096 octet PSDU) at
external LNA inputa, b
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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