钽电容器的损耗角正切(tg 5)随测试或工作频率的增加而增大,因此,随着测试或使用的增加,产品的损耗将增加,设计电路和使用时请注意此变化趋势
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声表面滤波器F480-1 TO39包装尺寸
NO. | Function |
1 | Input/Output |
2 | Input/Output |
3 | GND |
2.声表面滤波器F480-1 TO39标记
F480-1单位:毫米
2-1.颜色:黑色或蓝色
2-2.中心频率(MHz):480.00MHz
3.声表面滤波器F480-1 TO39性能
*DSB接收机的中频滤波器*恒定群延迟
*通过集成分流电阻器提高ESD能力*优化组延迟时间
4. 声表面滤波器F480-1 TO39表现
4-1.最大额定值
DC Voltage VDC | 0V |
AC Voltage VPP | 5V(50Hz/60Hz) |
Storage Temperature | -40℃to +80℃ |
Operable Temperature | -25℃to +85℃ |
声表面滤波器F480-1 TO39电子特性
Preliminary data
Characteristics Ambient temperance Source impedance load impedance |
TA=25℃ ZS=50 Ω ZL=50 Ω | ||||
Characteristics |
Mini |
Typical |
Maxim |
Unit | |
Insertion attenuation 480.00MHz Reference level for the following data |
19.5 |
21.0 |
dB | ||
Center frequency fc | 479.00 | 480.00 | 481.00 | MHz | |
Pass Bandwidth BW3 | 16.6 | 17.6 | 18.6 | MHz | |
Relative attenuation 471.0MHz | 3.4 | 4.4 | dB | ||
489.0MHz | 3.0 | 5.4 | dB | ||
Lower side lobe 430.0-461.0MHz | 38.0 | 50.0 | dB | ||
Upper side lobe 499-530.0MHz | 38.0 | 45.0 | dB | ||
Reflected wave signal suppression 0. 13us-2.0us after main pulse | 40.0 | 46.0 | dB | ||
Amplitude ripple 476.0-484.0MHz | 0.3 | 0.6 | dB | ||
Group delay 480.00MHz | 281.5 | ns | |||
Group Delay Ripple 471.5-488.5MHz | 11.5 | 18.0 | ns | ||
Impedance at 480.00MHz Input Zin=RinⅡCin output Zout=Rout ⅡCout |
70 Ⅱ3.7 280 Ⅱ2.5 |
Ω ⅡpF Ω ⅡpF | |||
DC Resistance Input Rin Output Rout | 500 500 | Ω Ω | |||
Temperature coefficient of frequency TCf | -94 | ppm/k |
小心:静电敏感设备。遵守handlin的注意事项
声表面滤波器F480-1 TO39典型频率响应
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