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Si4421
Note 1: Measured with disabled clock output buffer
Note 2: Not using a 10 MHz crystal is allowed but not recommended because all crystal referred timing and frequency parameters
will change accordingly
Note 3: See the BER diagrams in the measurement results section (page 37) for detailed information
Note 4: See reference design with 50 Ohm Matching Network (page 39) for details
Note 5: See reference design with Resonant PCB Antenna (BIFA) on page 41 for details
Note 6: Optimal antenna admittance/impedance:
Si4421
433 MHz
868 MHz
915 MHz
Y antenna [mS]
2 – j5.9
1.2 - j11.9
1.49 - j12.8
Z antenna [Ohm]
52 + j152
7.8 + j83
9 + j77
L antenna [nH]
62
15.4
13.6
Note 7: Adjustable in 8 steps
Note 8: During the Power-On Reset period, commands are not accepted by the chip. In case of software reset (see Wake-Up Timer
Command , page 25) the reset timeout is 0.25ms typical.
Note 9: The crystal oscillator start up time strongly depends on the capacitance seen by the oscillator. Low capacitance and low
ESR crystal is recommended with low parasitic PCB layout design.
Note 10: By design
12
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相关代理商/技术参数
EZLC-4421HB 制造商:Silicon Laboratories Inc 功能描述:EZLink 4421 development kit, 868/915MHz
EZLC-4421LB 制造商:Silicon Laboratories Inc 功能描述:EZLink 4421 development kit, 433MHz
EZLC4431B1-D434 功能描述:射频开发工具 EZLink Kit F930 Si4431 Rev B1 434MHz RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V
EZLC4431B1-D868 功能描述:射频开发工具 EZLink Kit F930 Si4431 Rev B1 868MHz RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V
EZLC-4432 HB 功能描述:射频开发工具 EZLink Fast Prototype Kit Hiband RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V
EZLC-4432 HB/LB KIT 制造商:Silicon Laboratories Inc 功能描述:
EZLC-4432 LB 功能描述:射频开发工具 EZLink Fast Prototype Kit Lwband RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V
EZLC4432B1-D470 功能描述:射频开发工具 EZLink Kit F930 Si4432 Rev B1 470MHz RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V