Search Results - "Cabria, L"

A PHEMT-Based Phase Conjugator for Full-Duplex Retrodirective Arrays by Cabria, L., Garcia, J.A.

“…In this letter, a phase conjugator for full-duplex retrodirective arrays is presented. Properly controlling a PHEMT nonlinear behavior, the modulation of the…”
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125 W Solid State Power Amplifier for 17.3-20.2 GHz SatCom Applications by Giofre, R., Colantonio, P., Cabria, L., Lopez, M.

“…This paper reports the design, realization and tests of the first prototype of a 125 W Solid State Power Amplifier (SSPA) based on spatial power combining…”
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Impact of Power Amplifier Long Term Memory Effects in Spatial Derivative Superposition Systems by Cabria, L., Garcia, J.A., Pedro, J.C.

“…In this letter, the impact of power amplifier (PA) long term memory effects on intermodulation distortion cancellation performance of spatial derivative…”
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Low-cost active transceiver for WLAN applications by Amar, N., Tazón, A., García, J. A., Cabria, L., Rodriguez-Tellez, J.

“…In this article, a new low‐cost active antenna for WLAN sensor applications is presented. The proposed system operates as a transceiver whereby the received…”
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On The Burn-in of GaN-on-Si MMIC High Power Amplifiers for SATCOM Applications by Giofre, R., Colantonio, P., Giannini, F., Cabria, L., Lopez, M., Leblanc, R., Vitobello, F.

“…This paper deals with the burn-in and stability performance over time of some Monolithic Microwave Integrated Circuits (MMICs) High Power Amplifiers (HPAs)…”
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Taking advantage of a dual-gate FET resistive mixer for ASK remodulation in a phase conjugating antenna by Aballo, T., Cabria, L., García, J. A., Marante, F. R.

“…In this letter, the use of a dual‐gate FET resistive mixer in a phase conjugating antenna is proposed. Applying a pulsed data signal to the second gate…”
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Controlling the scattered field in a reflectarray element using a novel technique by Cabria, L., Garcia, J. A., Mediavilla, A.

“…In this paper, a novel gain/phase adjustment unit to be employed as the cell of an active reflectarray is proposed. Based on accurate control of PHEMT…”
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Power Combining Techniques for Space-Borne GaN SSPA in Ka-Band by Giofre, R., Colantonio, P., Di Paolo, F., Cabria, L., Lopez, M.

“…Highly Efficient power combining techniques are mandatory for developing solid state power amplifiers (SSPAs) for high frequency space applications. Indeed,…”
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Active reflectarray with beamsteering capabilities by Cabria, L., García, J. A., Tazón, A., Vassal'lo, J.

“…This paper presents an active reflectarray topology with the capability of steering the main beam and achieving different amplitude distributions. An…”
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A PHEMT frequency doubling active antenna with BPSK modulation capability by Cabria, L, Garcia, J.A, Malaver, E, Tazon, A

“…The letter presents a novel frequency doubling active antenna, based on a PHEMT device, with BPSK modulation capability. A dedicated nonlinear transistor…”
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Class-E amplifier and rectifier for a wireless link with secure signal and simultaneous power transmission by Rizo, Leysi, Vegas, David, Nieves Ruiz, M., Marante, R., Cabria, L., Garcia, Jose A.

“…In this paper, the design and implementation of a GaN HEMT class-E power amplifier and a Schottky diode class-E rectifier are described. Based on the widely…”
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A first step towards a 230W SSPA for Galileo System exploiting European GaN technology by Giofre, R., Colantonio, P., Cipriani, E., Danieli, R., Giannini, F., Gonzalez, L., De Arriba, F., Cabria, L., Baglieri, D.

“…This paper describes the preliminary results attained in the framework of the European Project named SLOGAN. It aims to develop, using European GaN-HEMT…”
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A first step towards a 230W SSPA for Galileo System exploiting European GaN technology by Giofre, R., Colantonio, P., Cipriani, E., Danieli, R., Giannini, F., Gonzalez, L., De Arriba, F., Cabria, L., Baglieri, D.

“…This paper describes the preliminary results attained in the framework of the European Project named SLOGAN. It aims to develop, using European GaN-HEMT…”
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A zero-bias single-device balanced E-PHEMT mixer with conversion gain for RFID applications by Garcia, J.A., Malaver, E., Cabria, L.

“…A zero-bias single-device singly-balanced mixer, using an enhancement mode pseudomorphic HEMT (E-PHEMT) is proposed. The mixer takes advantage of the slightly…”
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A novel vector control active patch for beamsteering with linearity enhancement capability by Cabria, L., Garcia, J.A., Tazon, A., Mediavilla, A.

“…In this paper, a novel integrated vector control active patch is investigated for its Introduction in compact arrays with beamsteering capabilities. A…”
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Temperature dependent memory effects on a drain modulated GaN HEMT power amplifier by Marante, R, Cabria, L, Cabral, P, Pedro, J C, García, J A

“…In this paper, the impact of self heating on the linearity of a drain modulated GaN HEMT power amplifier (PA) is studied. After characterizing the frequency…”
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Speed requirements of supply modulators used in polar architectures by Cabral, P M, Rodrigues, F A, Cabria, L, Garcia, J A, Pedro, J C

“…This paper investigates the minimum supply modulator linear processing bandwidth and slew rate (SR) requirements necessary to meet the standard specs of total…”
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Polar transmitter architecture used in a Software Defined Radio context by Cabral, P M, Cabria, L, Garcia, J A, Pedro, J C

“…In this paper, we discuss the available transmitter architectures in a Software Defined Radio (SDR) context and present a suitable polar architecture…”
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A class E power amplifier design for drain modulation under a high PAPR WiMAX signal by Cabria, L, Cabral, P M, Pedro, J C, Garcia, J A

“…This paper describes the design of a class E power amplifier (PA) destined to be used as the final stage of a polar transmitter under IEEE 802.16e Mobile WiMAX…”
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Frequency down-converter with vector control capability for receiving phased array applications by Marante, R., García, J.A., Cabria, L., Rizo, L., Ruiz, M. N.

“…In this article, a simple and nonexpensive solution to be used as constitutive element in receiving phased arrays is proposed. Properly adjusting a PHEMT gate…”
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