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2009•Unpublished venueRequires access

Design of a bandpass filter with wide passband and wide rejection bandwidth

Wen-Hsia Huang, Teng-Bang Hou, Ching‐Wen Tang

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Abstract

A bandpass filter with wide passband and wide rejection bandwidth is presented. The filter is composed of bandpass filters (BPF), together with a lowpass filter (LPF). With the simple structure, a good performance is proposed and implements simultaneously. The fractional bandwidth of the BPF is 55% (1.45-2.55 GHz), and with rejection level of 20 dB up to more than ten times of the passband frequency. The 50 ¿ I/O ports can be directly connected to the filter without any adjustment, which is massively reducing the fabrication and analysis difficulties.

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What this paper is about

A bandpass filter with wide passband and wide rejection bandwidth is presented. The filter is composed of bandpass filters (BPF), together with a lowpass filter (LPF). With the simple structure, a good performance is proposed and implements simultaneously. The fractional bandwidth of the BPF is 55% (1.45-2.55 GHz), and with rejection level of 20 dB up to more than ten times of the passband frequency. The 50 ¿ I/O ports can be directly connected to the filter without any adjustment, which is massively reducing the fabrication and analysis difficulties.

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Available abstract

A bandpass filter with wide passband and wide rejection bandwidth is presented. The filter is composed of bandpass filters (BPF), together with a lowpass filter (LPF). With the simple structure, a good performance is proposed and implements simultaneously. The fractional bandwidth of the BPF is 55% (1.45-2.55 GHz), and with rejection level of 20 dB up to more than ten times of the passband frequency. The 50 ¿ I/O ports can be directly connected to the filter without any adjustment, which is massively reducing the fabrication and analysis difficulties.

Key concepts: Passband, Band-pass filter, Bandwidth (computing), Prototype filter, High-pass filter, Electronic engineering, Computer science, Low-pass filter

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