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This paper presents a novel semi-lumped active notch filter that has been designed under high constraints of cost, performance and size. The filter comprises lumped elements, interconnecting transmission lines and an active capacitance circuit. The aim of this work is to reduce at the same time the filter size and the insertion loss, while keeping a high notch depth. The proposed concept is applied...
This paper deals with the design of a novel tunable dual response active filter aiming to allow the coexistence in a single terminal of the respective standards, DVB-H for digital TV reception, WIMAX for internet connectivity and GSM for cellular telephony. The filter concept is based on the combination of an active low-pass filter and a semi-lumped tunable active notch filter. Both of two filters...
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