参数资料
型号: 4421-DKDB2
厂商: Silicon Laboratories Inc
文件页数: 37/45页
文件大小: 0K
描述: KIT DEV TEST EZRADIO SI4421 TRX
标准包装: 1
附件类型: 测试卡,收发器,434MHz
适用于相关产品: EZRadio?
Si4421
BER Curves in 433 MHz Band:
1
10 -1
10 -2
10 -3
10 -4
10 -5
10 -6
1.2k
2.4k
4.8k
9.6k
19.2k
38.4k
57.6k
115.2k
-120
-115
-110
-105
-100
-95
-90
BER Curves in 868 MHz Band:
1
10 -1
10 -2
10 -3
10 -4
10 -5
10 -6
1.2k
2.4k
4.8k
9.6k
19.2k
38.4k
57.6k
115.2k
-115
-110
-105
-100
-95
-90
-85
The table below shows the optimal receiver baseband bandwidth (BW) and transmitter deviation frequency ( δ f FSK ) settings for
different data-rates supposing no transmit receive offset frequency. If TX/RX offset (for example due to crystal tolerances) have to be
taken into account, increase the BW accordingly.
1.2 kbps
BW=67 kHz
? f FSK =45 kHz
2.4 kbps
BW=67 kHz
? f FSK =45 kHz
4.8 kbps
BW=67 kHz
? f FSK =45kHz
9.6 kbps
BW=67 kHz
? f FSK =45 kHz
19.2 kbps
BW=67 kHz
? f FSK =45 kHz
38.4 kbps
BW=134 kHz
? f FSK =90 kHz
57.6 kbps
BW=134 kHz
? f FSK =90 kHz
115.2 kbps
BW=200 kHz
? f FSK =120 kHz
37
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