A simple and effective method for microstrip dual-band filters design

CY Chen, CY Hsu - IEEE Microwave and Wireless …, 2006‏ - ieeexplore.ieee.org
A new type of novel low loss dual-band microstrip filters using folded open-loop ring
resonators (OLRRs) is presented in this letter. Both magnetic and electric coupling structures …

Compact dual-band microstrip bandpass filter without external feeds

S Sun, L Zhu - IEEE Microwave and Wireless Components …, 2005‏ - ieeexplore.ieee.org
A compact dual-band microstrip bandpass filter is proposed and designed to operate at 2.4
and 5.2 GHz without needing any external impedance-matching block. The modified half …

Design of dual-band bandpass filters using stub-loaded open-loop resonators

P Mondal, MK Mandal - IEEE transactions on microwave theory …, 2008‏ - ieeexplore.ieee.org
In this paper, open-loop resonators loaded by shunt open stubs are proposed to design
compact dual-band bandpass filters with improved out-of-band rejection characteristics. The …

Dual-band microstrip bandpass filter using stepped-impedance resonators with new coupling schemes

YP Zhang, M Sun - IEEE transactions on microwave theory and …, 2006‏ - ieeexplore.ieee.org
A microstrip bandpass filter using stepped-impedance resonators is designed in low-
temperature co-fired ceramic technology for dual-band applications at 2.4 and 5.2 GHz. New …

Novel balanced dual-band bandpass filter using coupled stepped-impedance resonators

J Shi, Q Xue - IEEE Microwave and Wireless Components …, 2009‏ - ieeexplore.ieee.org
A novel balanced dual-band bandpass filter, using coupled stepped-impedance resonators
(SIRs), is proposed in this letter. The differential-and common-mode equivalent half circuits …

Dual-band vertically stacked laminated waveguide filter design in LTCC technology

BJ Chen, TM Shen, RB Wu - IEEE Transactions on Microwave …, 2009‏ - ieeexplore.ieee.org
A new design method of dual-band filters with laminated waveguide (or substrate integrated
waveguide) is proposed by taking advantage of the existence of multiple cavity modes. The …

A dual-band coupled-line balun filter

LK Yeung, KL Wu - IEEE Transactions on Microwave Theory …, 2007‏ - ieeexplore.ieee.org
In this paper, a new type of device called dual-band coupled-line bandpass balun filter is
presented. Based on the traditional coupled-line filter theory and Marchand balun …

Dual-band bandpass filter with controllable bandwidths using two coupling paths

XY Zhang, CH Chan, Q Xue… - IEEE Microwave and …, 2010‏ - ieeexplore.ieee.org
This letter presents the designs of dual-band bandpass filters using two coupling paths to
control the bandwidth of each passband. One coupling path only delivers signals at the …

Dual-band filter design with flexible passband frequency and bandwidth selections

HM Lee, CM Tsai - IEEE transactions on microwave theory and …, 2007‏ - ieeexplore.ieee.org
In this paper, improved dual-band filter design is studied. The dual-band resonators are
composed of shunt open-and short-circuited stubs. In order to fulfil the requirements of dual …

New multiband coupling matrix synthesis technique and its microstrip implementation

YT Kuo, JC Lu, CK Liao… - IEEE Transactions on …, 2010‏ - ieeexplore.ieee.org
In this paper, we present a novel analytical multiband transversal coupling matrix synthesis
technique. By properly combining several single-band filtering functions, the multiband …