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27 results on '"Delmond, M."'

1. Noise performances optimization of GAAS monolithic microwave active recursive filters using noise wave techniques

Author

Ezzedine, H., Delmond, M., Billonnet, L., Jarry, B., and Guillon, P.

Subjects
ING-INF/01 Elettronica
Abstract

This article deals with the improvement of noise figure for microwave active recu rsive filters. We show, using a noise wave analysis [1], how the noise factor of a first-order recursive structure can he effectively minimized, by using appropriate unbalanced power dividers/combiners in association with an amplifier of given gain and noise factor values. We start from measured results of monolithic filters and validate our approach with simulated examples.

Published
1997
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2. Multicellular high-order active recursive filter using MMIC technology

Author

Delmond, M., Billonnet, L., Jarry, B., and Guillon, P.

Subjects
ING-INF/01 Elettronica
Abstract

This paper concerns active filters of the recursive type. A new design approach is presented which consists in a cascade association of unitary recursive cells in order to obtain higher-order filters and to achieve selective responses. The advantage of this approach resides in the study of simple structures (i.e. first-order recursive cells). This concept is then illustrated with an experimental active bandpass filter in the X-band. using MMIC technology.

Published
1996
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3. Improvement of microwave planar active filters with MMIC technology

Author

Billonnet, L., Brucher, A., Cenac, C., Delmond, M., Meunier, Ph., Jarry, B., Guillon, P., and Sussman-Fort, S.E.

Subjects
ING-INF/01 Elettronica
Abstract

In this paper, new ranges of GaAs MMIC circuit applications at microwaves are presented with the development of original planar active filters in this technology. The first step is to improve intrinsic performances of planar microstrip resonators with the help of MMIC amplifier or negative resistance chips [1]. Finally, a novel active recursive structure is also demonstrated as an MMIC.

Published
1994
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