Microwave and millimeter-wave integrated circuits

Niehenke, Edward C.; Pucel, R.A.; Bahl, Inder J.

doi:10.1109/22.989968

Cited by 65 publications

(25 citation statements)

References 53 publications

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“…Due to the rapid development of technology the microwave region of the electromagnetic spectrum has been of special interest since a long time [1][2][3]. Day by day there is a strong increase in the demand for special dielectric materials (high dielectric constant and low loss) in the microelectronics industry as well as in shortand long-range communications [4].…”

Section: Introductionmentioning

confidence: 99%

Structural, microwave dielectric properties and dielectric resonator antenna studies of Sr(ZrxTi1−x)O3 ceramics

Parida

Rout

Subramanian

et al. 2012

Journal of Alloys and Compounds

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Section: Introductionmentioning

confidence: 99%

Structural, microwave dielectric properties and dielectric resonator antenna studies of Sr(ZrxTi1−x)O3 ceramics

Parida

Rout

Subramanian

et al. 2012

Journal of Alloys and Compounds

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“…The spectrum has a significant peak, at the vibrator frequency, accompanied by harmonics, as expected from Eq. (7). Figure 6 shows the measured P(z) for the opaque plastic container with water.…”

Section: Measurement Theorymentioning

confidence: 97%

“…Millimeter-wave integrated circuits have recently experienced tremendous growth. These circuits have become smaller, more highly integrated, and lower cost, so they have found extensive applications in radar systems, wireless communications, and commercial fields [7]. In regard to the proposed method, a millimeter-wave sensor is applied to liquid-level measurement by utilizing the remote-sensing capability of millimeter waves.…”

Section: Introductionmentioning

confidence: 99%

Contactless liquid-level measurement through opaque container using millimeter-wave sensor

Nakagawa

Hyodo

Osada

et al. 2011

2011 IEEE SENSORS Proceedings

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A novel contactless method for measuring liquid level through an opaque container is proposed. A millimeter-wave Doppler sensor is used to "see" through a target container and measure the liquid level on the basis of the absorption of millimeter waves in liquid. One of the challenges is to achieve accurate liquid-level measurement (within sub-millimeter error) despite the inherently large beam-spread angle of the millimeter wave due to diffraction. A piezoelectric vibrator enables accurate measurement by reflecting a limited portion of the spread beam and modulating it to distinguish it from the other portion of the beam. The feasibility of the proposed method for clearly detecting an air-liquid interface concealed in an opaque container was confirmed experimentally. Nonlinearity error of the measured liquid level was within ±0.5 mm, which is the first demonstration of accurate liquid-level measurement using a millimeter-wave sensor.

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“…The thickness t of the strip metallization is typically in the m range. The stepped-impedance resonator (SIR) filter is one highly-popular method of realizing low-pass filters in microstrip technology (see, for example, [3]- [10], [12]). As schematically shown in Fig.…”

Section: Fig 1 the Schematic Of A Microstrip Linementioning

confidence: 99%

“…Microwave Integrated Circuits (MICs) and Monolithic Microwave Integrated Circuits (MMICs), on the other hand, are one of the most popular technologies used by designers in the field of radio frequency (RF) and microwave systems (see, for example, [3]- [14]). …”

Section: Introductionmentioning

confidence: 99%

Matlab-Based Computer-Aided-Design Algorithm for Designing Stepped-Impedance Resonator Low-Pass Filters in Microstrip Technology

Tomar¹,

Gupta²,

Tomar³

et al. 2015

IJWMT

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An accurate MATLAB-based CAD algorithm for quickly designing microstrip-based stepped-impedance resonator (SIR) low-pass filter is reported. The algorithm uses a circuit-theory approach to implement speedy computations, compared to the time-consuming computations involved in using electromagnetic theory. The accuracy of the proposed algorithm is verified for two widely-different practical examples in the 0-4GHz frequency range, against results obtained using Ansoft/Ansys circuit simulation tool, and against results obtained using the 3D electromagnetic simulator HFSS. The agreement among the three sets of data is seen to be excellent for most cases, and is found to be practically acceptable in the worst-case.

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Microwave and millimeter-wave integrated circuits

Abstract: A historical sketch of microwave integrated circuits, monolithic microwave integrated circuits, and their application is presented in this paper.

Cited by 65 publications

References 53 publications

Structural, microwave dielectric properties and dielectric resonator antenna studies of Sr(ZrxTi1−x)O3 ceramics

Structural, microwave dielectric properties and dielectric resonator antenna studies of Sr(ZrxTi1−x)O3 ceramics

Contactless liquid-level measurement through opaque container using millimeter-wave sensor

Matlab-Based Computer-Aided-Design Algorithm for Designing Stepped-Impedance Resonator Low-Pass Filters in Microstrip Technology

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