Analog filters can be divided into active filters and passive filters.
模拟滤波器可分为有源滤波器和无源滤波器。
In this paper the companion model of passive filters is established, thus, the calculation is greatly simplified.
文中还建立了无源滤波器的综合友模型，从而大大简化了计算。
In view of harmonic which generated from the new-type HVDC analog system 12-pulse wave rectifiers and the inverter, designed passive filters system based on the new-type converter transformer.
针对新型高压直流输电模拟系统12脉波整流器与逆变器产生的谐波，设计了基于新型换流变压器的无源滤波器系统。
If the modulation rate is high, it is possible to smooth out the pulse train using passive electronic filters and recover an average analog wave form.
如果调制率高，是有可能顺利进行，脉冲列车使用被动电子过滤器和收回平均模拟波形。
On-chip passive inductors, basic elements of wireless mobile communication circuits, are highly required in RFIC and widely used in simulating unit modules such as LNA, VCO and filters.
无源片上电感是RF IC中需求很高的器件，被广泛地应用在LNA、VCO、滤波器等模拟单元模块中，构成了无线移动通信电路的基础。
This paper presents the performance analysis of a hybrid filter composed of a passive and active filters connected in series.
对由无源滤波器和有源滤波器串联而成的混合型滤波器的性能进行了分析。
In this paper, GIC derived active band-pass circuits are used to realize the shunt-filters. Both the active and the passive sensitivity of these circuits are very low.
本文提出一种能实现这种滤波器的“GIC”导出式带通电路，这种电路的无源、有源灵敏度都是很低的。
Based on this integrator, log compressing and exponential expanding circuit, a passive simulation method for higher order filters is given systematically.
基于该积分器及对数压缩电路和指数扩展电路，系统地给出了高阶滤波器设计的无源网络模拟方法。
A variety of desired two fractional filters can be implemented by appropriate selection of passive element.
适当选择无源元件就可实现各种二阶滤波函数。
A variety of desired two fractional filters can be implemented by appropriate selection of passive element.
适当选择无源元件就可实现各种二阶滤波函数。
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