A Proposed Lumped-Element Switching Circulator Principle

Knerr, R.H.

doi:10.1109/tmtt.1972.1127769

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Cited by 14 publications

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“…S = (I + y)-(I -y). (4) Considering the quality factor of the permeability of the ferrite and the permittivity of C, we put = '(-J ), …”

Section: Introductionmentioning

confidence: 99%

Low Loss Lumped Element Isolator Using Gyrator Circuit With Two Asymmetrical Electrodes

Hasegawa

Okada

2006

2006 IEEE MTT-S International Microwave Symposium Digest

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The equations of the insertion loss and the isolation bandwidth of low loss two-port isolator were derived from equivalent circuit using perturbation theory. The equations show that the insertion loss gets lower in proportion to the ratio of inductors of two electrodes, while the isolation bandwidth gets narrower nearly in the proportion to the ratio.A 3.2X2.5X1.4mm3 cellular phone isolator which volume was 44% of the conventional products was realized using two electrodes of asymmetrical structure that inductance of one was much larger than that of the another.

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“…S = (I + y)-(I -y). (4) Considering the quality factor of the permeability of the ferrite and the permittivity of C, we put = '(-J ), …”

Section: Introductionmentioning

confidence: 99%

Low Loss Lumped Element Isolator Using Gyrator Circuit With Two Asymmetrical Electrodes

Hasegawa

Okada

2006

2006 IEEE MTT-S International Microwave Symposium Digest

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show abstract

Gyrators

Frey¹

1999

Wiley Encyclopedia of Electrical and Electronics Engineering

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Gyrators

Frey¹

2005

Encyclopedia of RF and Microwave Engineering

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A gyrator is a nonreciprocal electrical network. It is capable of transforming signals or energy represented in terms of one electrical quantity, such as voltage or magnetic field, to another electrical quantity that may be of similar type or of a complementary type, such as current or electric field. Such networks are quite useful in electronic systems, since one often wishes to design systems with a limited set of component types or with restrictions regarding certain physical parameters.

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A Proposed Lumped-Element Switching Circulator Principle

Cited by 14 publications

References 10 publications

Low Loss Lumped Element Isolator Using Gyrator Circuit With Two Asymmetrical Electrodes

Low Loss Lumped Element Isolator Using Gyrator Circuit With Two Asymmetrical Electrodes

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