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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 | |||
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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
â
Harmonic level (at 18 dBm 4.8â5.0 GHz
with 100% duty cycle) 7.2â7.5 GHz
2400
â
2nd harmonic â
â8
3rd harmonic â
â18
2500
â
â
MHz
dBm/1 MHz
dBm/1 MHz
EVM Does Not Exceed
Tx power at RF port for 802.11b
â9 dB
19
highest power level
(DSSS/CCK)
setting at 25°C and
VBAT = 3.6V with spectral
OFDM, BPSK
â8 dB
19
mask and EVM
OFDM, QPSK
â13 dB
19
compliancea, b
OFDM, 16-QAM â19 dB
17.5
OFDM, 64-QAM â25 dB
16.5
(R = 3/4)
OFDM, 64-QAM â28 dB
15.5
(R = 5/6)
Phase noise
37.4 MHz Crystal, Integrated from â
10 kHz to 10 MHz
Tx power control dynamic â
10
range
Closed-loop Tx power
variation at highest
power level setting
Across full temperature and
â
voltage range. Applies across
10 dBm to 20 dBm output power
range.
Carrier suppression
â
15
20.5 â
20
â
20
â
19
â
18
â
17
â
0.45 â
â
â
â
±1.5
â
â
dBm
dBm
dBm
dBm
dBm
dBm
Degrees
dB
dB
dBc
Gain control step
Return loss at
Chip port Tx
â
Zo = 50â¦
â
0.25 â
dB
â
6
â
dB
a. Derate by 1.5 dB for temperatures less than â10°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 â10°C or greater
than 55°C. Derate by 4.5 dB for â40°C to â30°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
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