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BCM4390DKWBGT Datasheet, PDF (63/78 Pages) Cypress Semiconductor – WICED™ Wi-Fi IEEE 802.11 b/g/n SoC with Embedded Application Processor
BCM4390 Advance Data Sheet
WLAN 2.4 GHz Transmitter Performance Specifications
WLAN 2.4 GHz Transmitter Performance Specifications
Note: The specifications in Table 17 are specified at the chip port output, unless otherwise specified.
Table 17: WLAN 2.4 GHz Transmitter Performance Specifications
Parameter
Condition/Notes
Minimum Typical Maximum Unit
Frequency range
–
Harmonic level (at 18 dBm 4.8–5.0 GHz
with 100% duty cycle) 7.2–7.5 GHz
2400
–
2nd harmonic –
–8
3rd harmonic –
–18
2500
–
–
MHz
dBm/1 MHz
dBm/1 MHz
EVM Does Not Exceed
Tx power at RF port for 802.11b
–9 dB
19
highest power level
(DSSS/CCK)
setting at 25°C and
VBAT = 3.6V with spectral
OFDM, BPSK
–8 dB
19
mask and EVM
OFDM, QPSK
–13 dB
19
compliancea, b
OFDM, 16-QAM –19 dB
17.5
OFDM, 64-QAM –25 dB
16.5
(R = 3/4)
OFDM, 64-QAM –28 dB
15.5
(R = 5/6)
Phase noise
37.4 MHz Crystal, Integrated from –
10 kHz to 10 MHz
Tx power control dynamic –
10
range
Closed-loop Tx power
variation at highest
power level setting
Across full temperature and
–
voltage range. Applies across
10 dBm to 20 dBm output power
range.
Carrier suppression
–
15
20.5 –
20
–
20
–
19
–
18
–
17
–
0.45 –
–
–
–
±1.5
–
–
dBm
dBm
dBm
dBm
dBm
dBm
Degrees
dB
dB
dBc
Gain control step
Return loss at
Chip port Tx
–
Zo = 50Ω
–
0.25 –
dB
–
6
–
dB
a. Derate by 1.5 dB for temperatures less than –10°C or more than 55°C, or voltages less than 3.0V. Derate by
3.0 dB for voltages of less than 2.7V, or voltages of less than 3.0V at temperatures less than –10°C or greater
than 55°C. Derate by 4.5 dB for –40°C to –30°C.
b. Tx power for Channel 1 and Channel 11 is specified by non-volatile memory parameters.
BROADCOM ®
February 5, 2014 • 4390-DS103-R
WICED Wi-Fi IEEE 802.11 SoC w/Embedded App Processor
Page 62
BROADCOM CONFIDENTIAL