Works (18)

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, S. Ortiz & A. Mortazawi

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

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

Source: NC State University Libraries
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

Source: NC State University Libraries
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, F. Ayguavives, Z. Jin, G. Stauf, A. Kingon, A. Mortazawi

Source: NC State University Libraries
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, G. Lazzi & A. Mortazawi

Source: NC State University Libraries
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

Source: NC State University Libraries
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, T. Ayguavives, A. Kingon, A. Mortazawi, A. Tombak

Source: NC State University Libraries
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 & A. Mortazawi

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, T. Ivanov & A. Mortazawi

Source: NC State University Libraries
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

Source: NC State University Libraries
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

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, A. Khalil, C. Hicks, A. Mortazawi & M. Steer

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

Source: NC State University Libraries
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 & A. Mortazawi

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

2000 | journal article

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

IEEE Transactions on Microwave Theory and Techniques, 48(12), 2692–2699.

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

Source: NC State University Libraries
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, T. Ivanov & A. Mortazawi

Source: NC State University Libraries
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

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