2004 journal article

A Ka-band power amplifier based on the traveling-wave power-dividing/combining slotted-waveguide circuit

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 52(2), 633–639.

By: X. Jiang, S. Ortiz* & A. Mortazawi*

author keywords: Ka-band; power combining; traveling wave; waveguide-to-microstrip transition
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Design and performance of a new digital phase shifter at X-band

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 14(9), 428–430.

By: Z. Jin n, S. Ortiz n & A. Mortazawi*

author keywords: microstrip line; phase shifter; PIN diode switches; rectangular waveguide; wave propagation mode
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2003 journal article

A K a-band power amplifier based on a low-profile slotted-waveguide power-combining/dividing circuit

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 51(1), 144–147.

By: X. Jiang, L. Liu, S. Ortiz*, R. Bashirullah* & A. Mortazawi*

author keywords: K a-band; power amplifier; power combining; slotted waveguide
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2003 journal article

A modified unsplit PML formulation for evanescent mode absorption in waveguides

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 13(6), 220–222.

By: M. Ozkar n, G. Lazzi n & A. Mortazawi*

author keywords: evanescent waves; FDTD; unsplit PML
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Voltage-controlled RF filters employing thin-film barium-strontium-titanate tunable capacitors

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 51(2), 462–467.

By: A. Tombak*, J. Maria n, F. Ayguavives, Z. Jin n, G. Stauf, A. Kingon n, A. Mortazawi*

author keywords: barium-strontium-titanate.(BST); ferroelectric; intermodulation distortion; metalorganic chemical vapor deposition (MOCVD); multilayer ground plane; paraelectric; tunable bandpass filter (BPF); tunable lowpass filter (LPF)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Tunable barium strontium titanate thin film capacitors for RF and microwave applications

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 12(1), 3–5.

By: A. Tombak, J. Maria*, F. Ayguavives*, Z. Jin, G. Stauf, A. Kingon*, A. Mortazawi*

author keywords: barium strontium titanate; (Ba,Sr)TiO3; BST; ferroelectric; MOCVD; thin film; tunable capacitor; varactor
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Contribution of dielectric and metallic losses in RF/microwave tunable varactors using (Ba,Sr)TiO3 thin films

Integrated Ferroelectrics, 39(1-4), 1343–1352.

By: F. Ayguavives, Z. Jin, A. Tombak, J. Maria, A. Mortazawi & A. Kingon

Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Thick electrodes for high frequency high Q tunable ferroelectric thin film varactors

Integrated Ferroelectrics, 39(1-4), 1271–1280.

By: G. Stauf, C. Ragaglia, J. Roeder, D. Vestyck, J. Maria n, T. Ayguavives n, A. Kingon n, A. Mortazawi n, A. Tombak n

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

A CPW-fed microstrip patch quasi-optical amplifier array

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 48(2), 276–280.

By: S. Ortiz n, T. Ivanov & A. Mortazawi n

author keywords: amplifier; CPW; quasi-optical; spatial
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2000 journal article

A Ka band extended resonance power amplifier

IEEE MICROWAVE AND GUIDED WAVE LETTERS, 10(11), 475–477.

By: A. Martin* & A. Mortazawi n

author keywords: extended resonance; Ka band; power combining
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2000 journal article

A class-E power amplifier based on an extended resonance technique

IEEE Transactions on Microwave Theory and Techniques, 48(1), 93–97.

By: A. Martin & A. Mortazawi

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

A new lumped-elements power-combining amplifier based on an extended resonance technique

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 48(9), 1505–1515.

By: A. Martin* & A. Mortazawi n

author keywords: extended resonance; power amplifier; power combining
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2000 journal article

A slotted-waveguide power amplifier for spatial power-combining applications

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 48(7), 1142–1147.

By: R. Bashirullah n & A. Mortazawi n

author keywords: amplifier; quasi-optical; slotted waveguide
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2000 article

A waveguide-based aperture-coupled patch amplifier array - Full-wave system analysis and experimental validation

Yakovlev, A. B., Ortiz, S., Ozkar, M., Mortazawi, A., & Steer, M. B. (2000, December). IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, Vol. 48, pp. 2692–2699.

By: A. Yakovlev n, S. Ortiz n, M. Ozkar n, A. Mortazawi n & M. Steer n

author keywords: amplifier network; dyadic Green's functions; generalized scattering matrix (GSM); integral equations; method of moments (MoM); patch; slot arrays; spatial power combining; waveguide transition
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Analysis and design of an inhomogeneous transformer with hard wall waveguide sections

IEEE MICROWAVE AND GUIDED WAVE LETTERS, 10(2), 55–57.

By: M. Ozkar n & A. Mortazawi n

author keywords: inhomogeneous transformers; overmoded waveguides
Source: Web Of Science
Added: August 6, 2018

2000 journal article

The generalized scattering matrix of closely spaced strip and slot layers in waveguide

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 48(1), 126–137.

By: A. Yakovlev n, A. Khalil n, C. Hicks n, A. Mortazawi n & M. Steer*

author keywords: electromagnetic analysis; generalized scattering matrix; Green's functions; method of moments; patch; slot antennas; waveguide transition
Source: Web Of Science
Added: August 6, 2018

1999 journal article

Analysis and measurement of hard-horn feeds for the excitation of quasi-optical amplifiers

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 47(4), 479–487.

By: M. Ali*, S. Ortiz n, T. Ivanov & A. Mortazawi n

author keywords: hard-horn antennas; mode-matching technique; quasi-optics
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

1998 journal article

Quasi-optical transmit/receive front ends

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 46(11), 1964–1975.

By: Z. Popovic* & A. Mortazawi n

author keywords: active antennas; communications; quasi-optical; radar
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

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