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| 型号： | SI8441 |
| 厂商： | Silicon Laboratories Inc. |
| 英文描述： | QUAD-CHANNEL DIGITAL ISOLATOR |
| 中文描述： | 四通道数字隔离 |
| 文件页数： | 18/24页 |
| 文件大小： | 436K |
| 代理商： | SI8441 |
Si8440/1/2
18
Rev. 0.3
4.5. RF Radiated Emissions
The Si8440 family uses a RF carrier frequency of approximately 2.1 GHz. This will result in a small amount of
radiated emissions at this frequency and its harmonics. The radiation is not from the IC chip but due to a small
amount of RF energy driving the isolated ground planes which can act as a dipole antenna.
The unshielded Si8440 evaluation board passes FCC requirements. Table 10 shows measured emissions
compared to FCC requirements.
Radiated emissions can be reduced if the circuit board is enclosed in a shielded enclosure or if the PCB is a less
efficient antenna.
Table 10. Radiated Emissions
Frequency
(GHz)
Measured
(dBμV/m)
FCC Spec
(dBμV/m)
Compared
to Spec
(dB)
2.094
70.0
74.0
–4.0
2.168
68.3
74.0
–5.7
4.210
61.9
74.0
–12.1
4.337
60.7
74.0
–13.3
6.315
58.3
74.0
–15.7
6.505
60.7
74.0
–13.3
8.672
45.6
74.0
–28.4
相关PDF资料 |
PDF描述 |
|---|---|
| SI8441-A-IS | QUAD-CHANNEL DIGITAL ISOLATOR |
| SI8441-B-IS | QUAD-CHANNEL DIGITAL ISOLATOR |
| SI8441-C-IS | QUAD-CHANNEL DIGITAL ISOLATOR |
| SI8442 | QUAD-CHANNEL DIGITAL ISOLATOR |
| SI8442-A-IS | QUAD-CHANNEL DIGITAL ISOLATOR |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SI8441AA-C-IS1 | 功能描述:隔离器接口集成电路 QuadCh 1.0kV Isolatr 1M 3/1 RoHS:否 制造商:Texas Instruments 通道数量:2 传播延迟时间: 电源电压-最大:5.5 V 电源电压-最小:3 V 电源电流:3.6 mA 功率耗散: 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:SOIC-8 封装:Tube |
| Si8441AA-C-IS1R | 功能描述:隔离器接口集成电路 QuadCh 1.0kV Isolatr 1M 3/1 RoHS:否 制造商:Texas Instruments 通道数量:2 传播延迟时间: 电源电压-最大:5.5 V 电源电压-最小:3 V 电源电流:3.6 mA 功率耗散: 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:SOIC-8 封装:Tube |
| Si8441AA-D-IS1 | 功能描述:隔离器接口集成电路 QuadCh 1.0kV Isolatr 1M 3/1 RoHS:否 制造商:Texas Instruments 通道数量:2 传播延迟时间: 电源电压-最大:5.5 V 电源电压-最小:3 V 电源电流:3.6 mA 功率耗散: 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:SOIC-8 封装:Tube |
| SI8441AA-D-IS1 R | 制造商:Silicon Laboratories Inc 功能描述: |
| SI8441AA-D-IS1R | 功能描述:隔离器接口集成电路 QuadCh 1.0kV Isolatr 1M 3/1 RoHS:否 制造商:Texas Instruments 通道数量:2 传播延迟时间: 电源电压-最大:5.5 V 电源电压-最小:3 V 电源电流:3.6 mA 功率耗散: 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:SOIC-8 封装:Tube |
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