Transversal filter using whispering gallery quarter cut resonators

Pommier, V.; Cros, Dominique; Guillon, P.; Carlier, A.; Rogeaux, E.

doi:10.1109/mwsym.2000.862324

Cited by 10 publications

(6 citation statements)

References 2 publications

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“…The number of resonators in each branch can also be controlled, although this may lead to negative input/output couplings for some branches. [4]. (b) Refer to [5].…”

Section: ) No Transmission Zerosmentioning

confidence: 99%

“…Various implementations of these topologies, including multilayer circuits, coupled line filters [5], and dual-mode resonators [2], [10] and dielectric resonators [4] are shown in Fig. 10.…”

Section: ) No Transmission Zerosmentioning

confidence: 99%

“…Modal analyses have been used in [3] to derive the mode admittance of parallel-connected twoport networks. Equating the admittance matrix of a transversal filter with a ladder network with further computations was used in [4] for the design of a transversal four-pole dielectric resonator filter. In [5] and [6], the eigenmode expansion method to the Z and H matrices for odd and even orders, respectively, has been used for the design of Foster-type networks.…”

Section: Introductionmentioning

confidence: 99%

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Direct Synthesis of Parallel-Connected Symmetrical Two-Port Filters

Abunjaileh

Hunter

2010

IEEE Trans. Circuits Syst. II

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This brief presents a general technique for the synthesis of parallel-connected two-port networks. This is based on the even-and odd-mode admittances of a standard Chebyshev network. The expressions for the even/odd-mode admittance are used to synthesize the low-pass network into branches of subnetworks connected in parallel between the source and the load. These together will have the same characteristics as a ladder network. It is also shown how a filter of a particular order will have the same parallel branch topology regardless of how many transmission zeros are used in the filter's transfer function. This design technique can be beneficial for various implementation techniques such as multilayer substrate and dual-mode resonators. Examples of fourth-and sixth-order degree networks with various numbers of transmission zeros are presented.

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“…The number of resonators in each branch can also be controlled, although this may lead to negative input/output couplings for some branches. [4]. (b) Refer to [5].…”

Section: ) No Transmission Zerosmentioning

confidence: 99%

Section: ) No Transmission Zerosmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Direct Synthesis of Parallel-Connected Symmetrical Two-Port Filters

Abunjaileh

Hunter

2010

IEEE Trans. Circuits Syst. II

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“…The two branch parallel-line networks were investigated and synthesized in [15], [16]. The mode admittance of two-port parallel networks has been reviewed using modal analysis in [17]. The eigenmode expansion approach was used to design parallel-connected networks for odd and even orders of Z and H matrices, respectively.…”

Section: Introductionmentioning

confidence: 99%

Design and Synthesis of Parallel-Connected Dielectric Filter Using Chain-Function Polynomial

Chinda¹,

Cheab²,

Soeung³

2023

RADIOENGINEERING

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Design and synthesis of parallel connected dielectric filters using chained function polynomials are presented in this paper. This filter will offer reduced sensitivity to fabrication tolerance while preserving its return loss response within the desired bandwidth in comparison to traditional Chebyshev filters. A novel transfer function FN according to chained is derived for fourth and sixth-order filters and the synthesis technique is presented. To demonstrate the feasibility of this approach, the circuit simulation based on parallel connected topology is carried out in ADS while the design and simulation of the fourth-order filter in dielectric technology in HFSS. Considerable sensitivity analysis is conducted to prove a better fabrication tolerance of the filter. In terms of implementation, this design technique will serve as a very useful mathematical tool for any filter design engineer.

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“…Moreover, to ease the implementation of microwave filters using this technology, we chose to develop transversal filters [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Quasi-planar transversal band-pass filters for Ka-band applications

Baillargeat

Verdeyme

Galiere³

et al. 2004

Int J RF and Microwave Comp Aid Eng

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A quasi-planar technology is applied to the design of transversal multiple pole filters for space applications. To define the optimal dimensions of the filter, an original synthesis method is developed to yield the transversal equivalent electrical circuit. In this article, a 2 nd -order and a 4 th -order transversal filters are designed, built, and tested. These filters are centered around 28.5 GHz and exhibit a 3-dB bandwidth of 1.75% and 4.2%, respectively.

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Transversal filter using whispering gallery quarter cut resonators

Cited by 10 publications

References 2 publications

Direct Synthesis of Parallel-Connected Symmetrical Two-Port Filters

Direct Synthesis of Parallel-Connected Symmetrical Two-Port Filters

Design and Synthesis of Parallel-Connected Dielectric Filter Using Chain-Function Polynomial

Quasi-planar transversal band-pass filters for Ka-band applications

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