【应用】Knowles薄膜带通滤波器B192NB2S用于卫星通信相控阵接收模块,带外抑制高达45dB
随着全球连接的通信需求增长,卫星通信系统已经从传统机械静态抛物线天线转向有源相控阵天线,卫星通信越来越多使用到Ka波段,元器件尺寸大幅减小。卫星通信相控阵接收模块中需要对射频信号进行放大后滤波,KNOWLES推出的薄膜带通滤波器B192NB2S采用DLI的低损耗温度稳定材料,尺寸小,性能随温度变化最小。本文主要描述Knowles带通滤波器B192NB2S应用于卫星相控阵接收模块中抑制杂波的作用,下图为原理框图。
Knowles推出的B192NB2S带通滤波器在相控阵接收模块中应用有以下优势:
1、 频带宽,B192NB2S通频带为17.2-21.2GHz,带宽4GHz;
2、 带外抑制高,带外抑制最小40dB,最高可达55dB;
3、 尺寸小,尺寸为11.43x3.55x2.1mm;
4、 易安装,焊接表面贴装封装,安装方便;
5、 温度范围广,操作和储存温度:-55˚C至+125˚C。
B192NB2S为Knowles推出的薄膜滤波器,频率高,频带宽,带外抑制指标好,可广泛应用于卫星通信终端、5G毫米波等各种通信设备。
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产品型号
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品类
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Size Code
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Termination Material
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Rated Voltage(Vdc)
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Capacitance Value(pF、nF、uF)
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Capacitance Tolerance(%、pF)
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Dielectric Classification
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0603J0500120JAB
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Multilayer Ceramic Chip Capacitor
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0603
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Nickel barrier
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50Vdc
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12pF
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±5%
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C0G/NP0(1B) to AEC-Q200
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适用于全范围音频和超声波应用的Knowles MEMS麦克风(消费类)选型指南
描述- 本资料为Knowles公司提供的MEMS麦克风选择指南,涵盖全频段音频和超声波应用。指南详细介绍了不同型号的MEMS麦克风,包括其尺寸、信噪比、低频截止频率、总谐波失真、功耗等参数。此外,还提供了数字(PDM)麦克风和模拟麦克风的选择建议,以及超声波应用、灵敏度、端口位置、声学过载点等方面的信息。资料还介绍了Knowles的评估套件和测试资源,以及相关数据手册和应用笔记的链接。
型号- KAS-700-0157,KAS-700-0159,KAS-700-0137,KAS-700-0193,KAS-700-0192,KAS-700-0170,KAS-700-0184,KAS-700-0172,KAS-700-0183,KAS-700-0153,KAS-700-0175,KAS-700-0185,KAS-700-0152,KAS-700-0188,KAS-700-0155,KAS-700-0165
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品类:Multilayer Ceramic Chip Capacitor
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可定制射频隔离器/环行器(10M-40GHz),双工器/三工器(30MHz/850MHz-20GHz),滤波器(DC-20GHz),功分器,同轴负载,同轴衰减器等射频器件;可定制频率覆盖DC~110GHz,功率最高20KW。
最小起订量: 1 提交需求>
可定制波导隔离器频率覆盖5.5GHz~110GHz,插损损低至0.25dB、隔离度、正向方向功率、封装尺寸参数。
最小起订量: 1pcs 提交需求>
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