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Analysis of the optimum gain of a high-pass l-matching network for rectennas
(MDPI AG, 2017-07-25)
Article
Open AccessRectennas, which mainly consist of an antenna, matching network, and rectifier, are used to harvest radiofrequency energy in order to power tiny sensor nodes, e.g., the nodes of the Internet of Things. This paper demonstrates ... -
Thermal phase lag heterodyne infrared imaging for current tracking in radio frequency integrated circuits
(2017-02-27)
Article
Open AccessWith thermal phase lag measurements, current paths are tracked in a Class A radio frequency (RF) power amplifier at 2 GHz. The amplifier is heterodynally driven at 440 MHz and 2 GHz, and its resulting thermal field was ... -
Optimal inductor current in boost DC/DC converters operating in burst mode under light-load conditions
(2016-01-01)
Article
Open AccessThis letter analyzes how the efficiency of boost dc/dc converters operating in burst mode under light-load conditions can be improved by an appropriate selection of the inductor current that transfers energy from the input ... -
MOSFET dynamic thermal sensor for IC testing applications
(2016-05-01)
Article
Open AccessThis paper analyses how a single metal-oxide-semiconductor field-effect transistor (MOSFET) can be employed as a thermal sensor to measure on-chip dynamic thermal signals caused by a power-dissipating circuit under test ... -
Criterios para practicas de evaluación de calidad
(2012-07-31)
Article
Open AccessEl grupo de innovación GRAPA ( GRupo de la Evaluación de la Práctica Académica ) d el proyecto RIMA de la Universitat Politècnica de Catalunya ha elaborado una serie de criterios , en forma de rúbrica, como buenas prácticas ... -
Direct inductive sensor-to-microcontroller interface circuit
(2015-04-01)
Article
Open AccessThis paper proposes and analyses a microcontroller-based interface circuit for inductive sensors with a variable self-inductance. Besides the microcontroller (mu C) and the sensor, the circuit just requires an external ... -
Occupancy and belt detection in removable vehicle seats via inductive power transmission
(2015-08)
Article
Open Access -
On-chip thermal testing using MOSFETs in weak inversion
(2015-02-01)
Article
Open AccessThis paper analyzes the feasibility of using metal-oxide-semiconductor field-effect transistors (MOSFETs) operating in weak inversion as temperature sensors for on-chip thermal testing applications. MOSFETs in weak inversion ... -
A course on digital electronics based on solving design-oriented exercises by means of a PBL strategy
(2015-02)
Article
Open AccessRecently, new syllabuses are being implemented accordingly to the European Higher Education Area (EHEA) in Spain. This paper describes the methodology and assessment strategy applied in the subject ‘‘Digital Circuits and ... -
A simple and efficient MPPT method for low-power PV cells
(2014-01-01)
Article
Open AccessSmall-size PV cells have been used to power sensor nodes. These devices present limited computing resources and so low complexity methods have been used in order to extract the maximum power from the PV cells. Among them, ... -
Electro-thermal characterization of a differential temperature sensor in a 65 nm CMOS IC: Applications to gain monitoring in RF amplifiers
(2014-05)
Article
Restricted access - publisher's policyThis paper reports on the design solutions and the different measurements we have done in order to characterize the thermal coupling and the performance of differential temperature sensors embedded in an integrated circuit ...
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