2017-06-16 11:43:06 点击:
如何成功地在宽频带射频电路中注入一个直流偏置,而不影响信号高频传输性能呢?
数据通信带宽的要求不断提高,射频信号的完整性已成为一个主要的设计问题。在宽频偏置应用中,大多数电感都没有足够的阻抗带宽。将三个或四个电感串联能够增加带宽,但直流损耗和滤波复杂性增加。宽频扼流圈在单个电感中提供宽带宽。此文论述宽频扼流圈在偏置器中的应用。
电感用于偏置的目的是,将交流信号与直流电源隔离时注入一个直流偏置。最理想的是,直流偏置线路上的所有杂散交流信号都会被电感隔离,防止信号间串扰与失真。
例如,在抑制20MHz至2GHz频率的同时,电视天线可能需要高达500mA的直流电注入到射频电路中。考虑使用线艺的4310LC宽频偏置扼流圈来实现此隔离。图2显示线圈以分流接法从一条传输线到地的插入损耗测量。这条曲线展示,10MHz以下的频率是如何通过电感流入接地层,10MHz到6GHz之间的频率是如何被线圈抑制和通过传输线的。
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)
要求射频隔离的另一个应用是用于光纤网络的PIN二极管的偏流。此应用需要向100MHz至30GHz频率的射频线路注入200mA的直流电。为了达到这个要求,可使用线艺的BCR宽频锥形电感。
在为宽带偏置器选择射频扼流圈时,关键的一点是确定需要抑制的频率范围。其他关键参数是直流电阻、电流要求、尺寸和成本。
在射频线路中成功地注入一个直流偏置器的关键是宽频偏置扼流圈。先确定应用的频率范围,然后再来决定其他关键参数。
数据通信带宽的要求不断提高,射频信号的完整性已成为一个主要的设计问题。在宽频偏置应用中,大多数电感都没有足够的阻抗带宽。将三个或四个电感串联能够增加带宽,但直流损耗和滤波复杂性增加。宽频扼流圈在单个电感中提供宽带宽。此文论述宽频扼流圈在偏置器中的应用。
电感用于偏置的目的是,将交流信号与直流电源隔离时注入一个直流偏置。最理想的是,直流偏置线路上的所有杂散交流信号都会被电感隔离,防止信号间串扰与失真。
例如,在抑制20MHz至2GHz频率的同时,电视天线可能需要高达500mA的直流电注入到射频电路中。考虑使用线艺的4310LC宽频偏置扼流圈来实现此隔离。图2显示线圈以分流接法从一条传输线到地的插入损耗测量。这条曲线展示,10MHz以下的频率是如何通过电感流入接地层,10MHz到6GHz之间的频率是如何被线圈抑制和通过传输线的。
要求射频隔离的另一个应用是用于光纤网络的PIN二极管的偏流。此应用需要向100MHz至30GHz频率的射频线路注入200mA的直流电。为了达到这个要求,可使用线艺的BCR宽频锥形电感。
在为宽带偏置器选择射频扼流圈时,关键的一点是确定需要抑制的频率范围。其他关键参数是直流电阻、电流要求、尺寸和成本。
在射频线路中成功地注入一个直流偏置器的关键是宽频偏置扼流圈。先确定应用的频率范围,然后再来决定其他关键参数。
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