BCM4319XKUBGT 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

BCM4319 Preliminary Data Sheet
5 GHz Band RF Receiver Specifications
5 GHz Band RF Receiver Specifications
Table 17: 5 GHz Band Receiver RF Specifications^a
Characteristic
Condition
Minimum Typical Maximum Unit
Cascaded noise figure
Maximum receive level^a
Maximum RX gain –
4.5
–
5.24 GHz @ 6 Mbps –10
–
–
5.24 GHz @ 54 Mbps –15
–
–
dB
dBm
dBm
DC rejection servo loop bandwidth
(normal operation)
Wideband mode
Narrowband mode
–
500
120 Hz –
–
kHz
230
kHz
Adjacent channel power rejection
At 20-MHz offset
–
TBD
–
dBc
Alternate channel power rejection At 40-MHz offset
–
TBD
–
dBc
Minimum RX gain
–
–
15
–
dB
Maximum RX gain
–
–
>100
–
dB
IQ amplitude balance
–
IQ phase balance
–
–
0.5
–
dB
–
1.5
–
°
Out-of-Band Blocking Performance without RF Band-Pass Filter (–1 dB desensitization):
CW
30–4300 MHz
–10
–
–
dBm
CW
4300–4800 MHz
–25
–
–
dBm
CW
5900–6400 MHz
–25
–
–
dBm
a. With minimum RF gain.
Table 18: 5 GHz Receiver Sensitivity
Parameter
Condition/Notes Minimum Typical Maximum
Unit
Frequency range
–
4900
–
RX sensitivity
6 Mbps OFDM
–87.5
–89
(10% PER for 1000 octet PSDU) at
External LNA Input
9 Mbps OFDM
12 Mbps OFDM
–86.5
–88
–86.5
–88
18 Mbps OFDM
–85.5
–87
24 Mbps OFDM
–82.5
–84
36 Mbps OFDM
–79.5
–81
48 Mbps OFDM
–73.5
–75
54 Mbps OFDM
–71.5
–73
RX sensitivity
HT mode MCS 7 (64 –69.5
–71
(10% PER for 4096 octet PSDU) at
external LNA input^{a, b}
QAM, R = 5/6, 20 MHz
channel spacing)
5845
–
–
–
–
–
–
–
–
–
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