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BCM43903 Datasheet, PDF (63/87 Pages) Cypress Semiconductor – WICED™ IEEE 802.11 b/g/n SoC with an Embedded Applications Processor
BCM43903 Preliminary Data Sheet
WLAN RF Specifications
Section 14: WLAN RF Specifications
Introduction
The BCM43903 includes an integrated direct conversion radio that supports the 2.4 GHz band. This section
describes the RF characteristics of the 2.4 GHz radio.
Note: Values in this section of the data sheet are design goals and are subject to change based on device
characterization results.
Unless otherwise stated, limit values apply for the conditions specified in Table 13: “Environmental Ratings,” on
page 58 and Table 15: “Recommended Operating Conditions and DC Characteristics,” on page 59. Typical
values apply for the following conditions:
• VBAT = 3.6V
• Ambient temperature +25°C
Figure 12: Port Locations for WLAN Testing
BCM43903
2.4 GHz WLAN TX
(WRF_PAOUT_2G)
2.4 GHz WLAN RX
(WRF_RFIN_2G)
Chip Output Port
Chip Input Port
Filter
RF Port
2.4 GHz Band General RF Specifications
Table 18: 2.4 GHz Band General RF Specifications
Item
TX/RX switch time
RX/TX switch time
Power-up and power-down ramp
time
Condition
Including TX ramp
down
Including TX ramp up
DSSS/CCK
modulations
Minimum Typical
–
–
–
–
–
–
Maximum Unit
5
µs
2
µs
<2
µs
Broadcom®
March 12, 2016 • 43903-DS102-R
BROADCOM CONFIDENTIAL
Page 62