可以引用Bram Nauta教授的视频,他讲的真的太好了!他自己的频道里面还有一个实践N-path Filter的视频,配合这个讲解视频一起食用可以加深理解。 N-path的阻抗匹配 第一阶段:阻抗匹配只取一阶谐波,天线阻抗恒定 不考虑Cl对于阻抗匹配的作用 零中频 对于N-path的阻抗匹配我们可以将n-path模型进一步化简为下图所示的模型。
N path filter的模型是Nauta组提出来的,用来分析传递函数曲线。Mixer-first RX 的模型是Andrews提出来的,主要分析输入阻抗,以及可以反映无源mixer的噪声性能和增益,TIA的噪声和增益则需要另外再级联计算。例如图5,该模型只能用来算输入阻抗,以及计算从Vs到Vx的增益,也就是无源mixer的增益,以及计算从Vs到Vx的噪声,...
An N path filter where signals are applied to two orthogonal input paths and where the modulated and filtered signals from the input paths are combined and applied to each of the N equiphase output paths, the signals on each output path being suitably modulated, the filter output signal being...
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An N-path filter comprises at least two parallel keyed low-pass networks connected in cascade, and is provided with negative feedback through a series resistor and an amplifier, the amplification and feedback satisfying the condition where: T 1 = R 12 C 1m T 2 = R 21 C 2n R 1 = ...
N-PATH FILTER 专利名称：N-PATH FILTER 发明人：ERIK LANGER 申请号：US3531741D 申请日：19680703 公开号：US3531741A 公开日：19700929 专利内容由知识产权出版社提供 摘要：1,225,644. N-path filters. SIEMENS A.G. 3 July, 1968 [4 July, 1967], No. 31662/68. Heading H3U. An N-path filter ...
Switched capacitor n-path filter A switched capacitor N-path filter in which all capacitors that introduce delay in the paths, in that they have memory and are characterized such that the new charge flow into each such capacitor during each commutation cycle depends on ... C Chang,SL Man -...
A differential single-port switched-RC N-path filter with band-pass characteristic is proposed. The switching frequency defines the center frequency, while... A Ghaffari,EAM Klumperink,MCM Soer,... - Radio Frequency Integrated Circuits Symposium 被引量: 0发表: 2011年 RF-to-BB-current-reuse wi...
In other aspects, the N-path filter may include a bandpass response circuit where an inductance of the bandpass response circuit may be implemented using gyrators. 机译:本公开的某些方面提供了使用通用阻抗转换器(GIC)电路实现的N路径滤波器。 GIC电路配置为使N路径滤波器具有所需的频率响应,该频率...
光学调制滤波器DWDM光学通信带通范围调制范围插入损耗A new kind of tunable optical filter is proposed for DWDM optical communication application. It isbased on... 胡宗福 - 《中国光学快报(英文版)》 被引量: 8发表: 2004年 差分时钟增益提高型N通道带通滤波器设计 针对传统N通道滤波器存在增益以及时钟的...