BK5823数据手册BEKEN中文资料规格书

描述 Description

The BK5823 is the CMOS SOC for electronic toll collection compliant with GB/T 20851.1 -2007 and GB/T 20851.2-2007, which can be used at OBU with ASK modulation and demodulation.

特性 Features

• Full both uplink and downlink band：5.7 GHz - 5.85 GHz\r
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• Data Rate: Uplink 512 kbps/256kbps option and Downlink 256 kbps/512kbps option.\r
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• Output power: Up to 3 dBm\r
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• Sensitivity: RX: -71 dBm, wakeup: -47dBm\r
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• Fast AGC to accommodate up to 71 dB dynamic range RF input\r
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• Integrated wake-up circuit with 4.5uA sleep current.\r
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• Integrated wake-up baseband circuit to select the wakeup frequency(the frequency can be controlled).\r
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• On-chip auto calibration for wake-up base band frequency range.\r
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• ON chip low current (10uA) counter to forbid wakeup again in the setting time (1s->20s).\r
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• Receiving the 1st BST without MCU control\r
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• The sending CRC seed can auto adjust according to receiving CRC seed\r
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• On-chip temperature compensation for TX power.\r
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• 2.6 V ~ 3.6 V supply\r
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• 45mA TX mode current\r
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• 26mA RX mode current\r
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• 4-wires SPI interface up to 8 MHz

应用 Application

• Electronic Toll Collection\r
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• 5.8GHz Short Range Communication