Infineon Cypress WICED BCM43903, Руководство пользователя

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Document Number: 002-14826 Rev. *G Page 47 of 65
PRELIMINARY
CYW43903
14.4 WLAN 2.4 GHz Transmitter Performance Specifications
Note: Unless otherwise noted, the values shown in Table 21 apply at the chip ports.
Table 21. WLAN 2.4 GHz Transmitter Performance Specifications
Parameter Condition/Notes Minimum Typical Maximum Unit
Frequency range – 2400 – 2500 MHz
RF port TX power EVM
1
(highest power setting, 25°C, and
VBAT = 3.6)
1. This specification row indicates the linear power specification as measured from the chip output port. The requirement is in dBm (TX power). The ratio (dB) in the
Conditions/Notes column is the EVM.
DSS/CCK –9 dB – 20.5 – dBm
OFDM, BPSK –8 dB – 20 – dBm
OFDM, QPSK –13 dB – 20 – dBm
OFDM, 16-QAM –19 dB – 19 – dBm
OFDM, 64-QAM (R = 3/
4)
–25 dB – 19 – dBm
OFDM, 64-QAM (MCS7,
HT20)
–27 dB – 18.5 – dBm
OFDM EVM
2
(25°C, VBAT = 3.6V)
2. This specification row indicates the EVM floor. The requirement is in dB (EVM). The power in the Conditions/Notes column is the TX power specification in dBm.
OFDM, BPSK 5 dBm –29 –31 – dB
OFDM, 64-QAM 5 dBm –31 –33 – dB
MCS7 5 dBm –33 –35 – dB
Phase noise 37.4 MHz crystal, integrated from 10 kHz to
10 MHz
– 0.45 – Degrees
TX power control dynamic range – 10 – – dB
Closed-loop TX power variation at
highest
power level setting
Across full temperature and voltage range.
Applies to 10 dBm to 20 dBm output power
range.
– – ±1.5 dB
Carrier suppression – 15 – – dBc
Gain control step – – 0.25 – dB
Return loss at Chip port TX Z
o
= 50Ω – 6 – dB