Document Number: 002-14826 Rev. *G
Page 44 of 65
PRELIMINARY
CYW43903
14. WLAN RF Specifications
14.1 Introduction
The CYW43903 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 14, “Environmental Ratings,”
and
mended Operating Conditions and DC Characteristics,”
. Typical values apply for the following conditions:
■
VBAT = 3.6V
■
Ambient tempe25°C
Figure 12. Port Locations for WLAN Testing
14.2 2.4 GHz Band General RF Specifications
Table 19. 2.4 GHz Band General RF Specifications
Item
Condition
Minimum
Typical
Maximum
Unit
TX/RX switch time
Including TX ramp down
–
–
5
μs
RX/TX switch time
Including TX ramp up
–
–
2
μs
Power-up and power-down ramp time
DSSS/CCK modulations
–
–
< 2
μs
2.4 GHz WLAN TX
(WRF_PAOUT_2G)
2.4 GHz WLAN RX
(WRF_RFIN_2G)
Chip Output Port
Chip Input Port
RF Port
Filter
CYW43903