2. PERFORMANCE
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LGE Internal Use Only
LGE Internal Use Only
6) WLAN 802.11b transceiver specification
Item
Specification
Transmit Frequency
2400 MHz ~ 2483.5 MHz ( CH1~CH13 )
Tx Power Level
≤ 20dBm under
Frequency Tolerance
within ±25 PPM
Chip clock Frequency
Tolerance
within ±25 PPM
Spectrum Mask
≤ -30 @ fc-22MHz< f <fc-11MHz and fc+11MHz< f <fc+22MHz
≤ -50 @ f < fc-22MHz and f > fc+22MHz
Power ramp on/off time
≤ 2us
Carrier Suppression
≥ 15dB
Modulation Accuracy
(Peak EVM)
≤ 35%
Spurious Emissions
< -36 dBm @ 30MHz ~ 1GHz
< -30 dBm above @ 1GHz ~ 12.75GHz
< -47 dBm @ 1.8GHz ~ 1.9GHz
< -47 dBm @ 5.15GHz ~ 5.3GHz
Rx Min input Sensitivity
≤ -80 dBm (2Mbps DQPSK) @ FER ≤ 8%
≤ -76 dBm (11Mbps CCK) @ FER ≤ 8%
Rx Max input Sensitivity
≤ -4 dBm (2Mbps DQPSK) @ FER ≤ 8%
≤ -10 dBm (11Mbps CCK) @ FER ≤ 8%
Rx Adjacent Channel
Rejection
≥ 35dB @FER ≤ 8%,
interference input signal -70dBm@fc±30MHz(2Mbps DQPSK)
interference input signal -70dBm@fc±25MHz(11Mbps CCK)
6) WLAN 802.11b transceiver specification