Mezclador monolítico resistivo a HEMT en la banda Q para aplicaciones MVDS

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URI: http://hdl.handle.net/10902/3579
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Autoría
Aja Abelán, BeatrizAutoridad Unican; Fuente Rodríguez, Luisa María de laAutoridad Unican; García García, José ÁngelAutoridad Unican; Pascual Gutiérrez, Juan PabloAutoridad Unican; Artal Latorre, EduardoAutoridad Unican
Fecha
2000-09
Derechos
© 2000 URSI España
Publicado en
URSI 2000, XV Simposium Nacional de la Unión Científica Internacional de Radio, Zaragoza
Resumen/Abstract
This paper describes the design of a resistive monolithic Q-band HEMT mixer for optimum conversion loss and IMD performance. Transistor two-sided harmonic measurements across Vds and Vgs revealed the presence of IMD sweet spots that were used to optimize the conversion loss and IMD behavior of the mixer. Minimum conversion loss of 10 dB was measured in the 40.8-49 GHz RF frequency band, showing a reasonable agreement with simulation results. Mixer single-tone IMD was measured and simulated. The minimum output level at 3fIF was less than -102 dBm for an RF input level of -10 dBm and for a bias point near the predicted sweet spot.
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