ADVANCE
CYW43570
15.4 WLAN 2.4 GHz Transmitter Performance Specifications
Note: The specifications in Table 30 are specified at the RF port unless otherwise specified. Results with FEMs that are not on the
Cypress AVL are not guaranteed.
Table 30. WLAN 2.4 GHz Transmitter Performance Specifications
Parameter
Frequency range
EVM Does Not Exceed
Condition/Notes
Min.
2400
Typ.
Max.
2500
Unit
MHz
–
–
TX power at RF port for highest 802.11b
–9 dB
18.5
20
–
dBm
power level setting at 25°C with (DSSS/CCK)
spectral mask and EVM
OFDM, BPSK
–8 dB
18
19
19
18
18
–
–
–
–
dBm
dBm
dBm
dBm
compliancea
OFDM, QPSK
–13 dB
–19 dB
–25 dB
18
OFDM, 16-QAM
16.5
16.5
OFDM, 64-QAM
(R = 3/4)
OFDM, 64-QAM
(R = 5/6)
–28 dB
–30 dB
–32 dB
16.5
15.5
14.5
18
17
16
–
dBm
dBm
dBm
Degrees
dB
OFDM, 256-QAM
(R = 3/4)
–
OFDM, 256-QAM
(R = 5/6)
–
Phase noise
40 MHz crystal, integrated from 10 kHz to 10 –
MHz
0.45
–
–
TX power control dynamic
range
–
10
–
Closed-loop TX power variation Across full temperature and voltage range.
–
–
±1.5
dB
at highest power level setting
Applies across 10 dBm to 20 dBm output
power range.
Carrier suppression
Gain control step
–
15
–
–
–
–
–
dBc
dB
–
0.25
6
Return loss at chip port TX
Zo = 50Ω
–
dB
a. Derate by 1.5 dB over the operating temperature range and for voltages from 3.0V to 3.13V.
Document Number: 002-15054 Rev. *I
Page 67 of 94
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