Low cost MMIC chipset for VSAT ground terminals (2005)
Butel, Y., Langrez, D., Villemazet, J.F., Coury, G., Decroix, J., Cazaux, Jean-Louis
This paper presents results of a Ka-bandVSAT ground terminal MMIC chipset developed in a costreduction context. The first one, a low level multifunction designed for up-conversion with high gain...
Multilayer RF PCB for space applications : technological and interconnections trade-off (2005)
Paillard, M., Bodereau, F., Drevon, C., Monfraix, P., Cazaux, Jean-Louis, Bodin, L., ...
Multilayer RF Printed Circuits Boards withembedded passives are complex structures to manufactureand to package while keeping good RF performances. In thispaper, technological solutions aimed at...
Optimised thermal and microwave packaging for wide-band gap transistors : diamond & flip chip (2005)
Schaffauser, C., Vendier, O., Forestier, S., Michard, F., Geffroy, D., Drevon, C., ...
Wide-band gap (WBG) transistors give a real breakthrough for power devices compared to Silicon (Si) and Gallium Arsenide (GaAs) components. However, for space applications, the high power density of...
Main achievements to date toward the use of RF MEMS into space satellite payloads (2005)
Vendier, O., Paillard, M., Legay, H., Schaffauser, C., Forrestier, S., Caille, G., ...
MEMS (Microelectromechanical Systems) technology plays a key role in the on-going miniaturization of electronic modules for automotive and consumer electronic products. In the microwave field, RF...
3D packaging for space application : imagination and reality (2005)
Monfraix, Philippe, Drevon, C., Schaffauser, Chloé, Paillard, Mathieu, Vendier, Olivier, Cazaux, Jean-Louis
This paper describes theALCATELexperience on the design, manufacturingandmeasurementof microwave and digital modules based on 3D packagingapproach.Even if that appears as a very futuristic...
Rochette, Stéphane, Villemazet, Jean-François, Cazaux, Jean-Louis, Populus, Thierry
A MMIC demodulator has been designed and characterized over the [0.79 – 0.97] GHz RF band. It consists of an RF differential amplifier and an LO 4-way phase splitter affording the 0°, 90°, 180°...
New Generation of Ka-Band Equipment for Telecommunication Satellites (2004)
Cazaux, Jean-Louis, Cayrou, Jean-Christophe, Miquel, Christine, Debarge, Cécile, George, Sébastien, Barbaste, Régis, ...
A new generation of space-borne Ka-Band products has been for the emerging demand of telecommunication payloads for multimedia missions. The technical challenges that they impose together with...
10 W High Efficiency 14V HBT Power Amplifier for Space Applications (2003)
Le Gallou, N., Villemazet, J.F., Cogo, B., Cazaux, Jean-Louis, Mallet, A., Lapierre, L.
This paper presents the first development of a space-borne power amplifier using the recently developed high breakdown,high Power HBT HB20S process of UMS.The inverse F class Hybrid Power Amplifier...
New Trends for Microwave Packaging into Space-Borne Equipment (2002)
Drevon, C., Monfraix, Philippe, Paillard, Mathieu, Schaffauser, Chloé, Vendier, Olivier, Cazaux, Jean-Louis
This paper focuses on the most promising evolutions which are emerging in the packaging of microwave functions for space applications. Starting from the former micropackage solution, continuing with...
Villemazet, JF., Rogeaux, E., Roques, D., Cayrou, Jean-Christophe, Cogo, B., Solulard, M., ...
This paper proposes a new compact double balanced coplanar mixer suitable for satellite repeaters. Compared to the present 14/12GHz satellite mixers, its size is divided by 3 and it provides 2dB gain...
Microwave glob top for space applications : A route to non hermiticity (2001)
Monfraix, P., Albo, L., Drevon, C., Cazaux, Jean-Louis, Roux, J.L.
This paper presents the electrical design, measurement and reliability tests of an encapsulated MMIC using a dam & fill technique. Materials, dispensing techniques, RF design are evaluated. Test...
1W/mm GaAs pHEMT for realization of linear power amplifier in the K band. (2000)
Hue, X., Rogeaux, E., Cazaux, Jean-Louis, Mallet, A., Lapierre, L., Boudart, B., ...
The realization and characterization of Al0.22Ga0.78As/In0.22Ga0.78As/GaAs power pHEMT are reported. This structure was optimized to obtain a quasi flat transconductance profile to increase the...
KA-BAND equipment assembly for multimedia satellite payloads (2000)
Ulian, Patrice, Leveque, Hervé, Recly, Agnes, Cayrou, Jean-Christophe, Cogo, B., Cazaux, Jean-Louis
This paper describes new equipment generation developed in Alcatel Space Industries to meet recent multimedia needs for Ka-Band satellite payloads. These units are built as assemblies, and use...
A non quasi-static non-linear P-HEMT model operating up to millimetric frequencies (2000)
Roques, Daniel, Brasseau, F., Cogo, B., Soulard, Michel, Cazaux, Jean-Louis
This paper presents a non-linear p-HEMT model taking into account the non quasi-static currents and charges variations versus Vgs and Vds to predict accurate behaviour of the devices up to...
Flip-chip for space applications : Bonding reliability, DC and RF results. (2000)
George, Sebastien, Drevon, C., Cazaux, Jean-Louis
This paper presents a study of flip-chip bonding for space applications. DC and mechanical test vehicles have demonstrated the reliability of the flip-chip gold-gold thermocompression bonding up to...
Monfraix, P., Adam, T., Lacoste, J.L., Drevon, C., Naudy, G., Cogo, B., ...
This paper presents the electrical design, measurement and reliability ests of a shielded vertical interconnection dedicated to microwave solder-mount packages. Electromagnetic simulations show very...
Highly compact micro-machined coplanar bandpass filter (2000)
Grenier, K., Pons, P., Plana, R., Cazaux, Jean-Louis, Boulanger, C., Parra, T., ...
Highly compact micro-machined coplanar bandpass filters based on end-coupled half-wavelength and quarter-wavelength resonators topologies have been investigated. Simple gap and interdigitated...
From full hybrid to 3D microwave packaging for space applications (1999)
Drevon, C., Cazaux, Jean-Louis
Over recent years, the miniaturisation of microwave functions was based on the use of hybrid technology. That included thin or thick film capability, micro or macro microwave packages and the design...
Power amplifier linearization using cartesian feedback (1999)
GUY, A., GALY, C., VILLEMAZET, J.F., SAUTEREAU, J.F., Cazaux, Jean-Louis
We present in this paper a synthesis of power amplifier linearization techniques. SSPA have to operate in their best capabilities for telecommunications applications. They have to present in the same...
Recly, Agnes, Tronche, Christian, Cazaux, Jean-Louis, Ducrocq, Jean-Bernard
Over recent years, the miniaturization of R.F, and L.F. functions and the developments were running around the MCM technology. This paper presents the work made, then the results, to get new MCM-C...
A balanced uniplanar active MMIC combiner/divider with improved power capability (1998)
Prieto, D., Rogeaux, E., Villemazet, J.F., Cazaux, Jean-Louis, Parra, T., Graffeuil, J
Present paper deals with a new active uniplanar power combiner/divider which presents major interest for MMICs future applications. Its design takes advantages on uniplanar interconnection technology...
Experience and propective of MMIC's for space programes (1998)
Soulard, Michel, Villemazet, Jean-Francois, Rogeaux, Eric, Cazaux, Jean-Louis
3D active modules for high integration active antennas (1998)
Ulian, Patrice, Monfraix, Philippe, George, Sebastien, Tronche, Christian, Drevon, C., Cazaux, Jean-Louis
This paper describes the different parts of active antenna sub-systems currently developed in Alcatel Espace. These modules are realized according to some new 3D RF packaging technologies, mainly...
MMIC's are now effective in space programs (1996)
Cazaux, Jean-Louis, Pouysegur, Michel, Orsini, Maurice, Rivierre, Bernard, Soulard, Michel, Floury, Gerard
Since their first apparition, MMICs have been considered as very promising devices to allow miniaturization, increased reliability and cost reduction of space-borne equipment. All actors, i.e....
Flight model GaAs MMIC procurement: industrial concerns (1992)
Bensoussan, A., Coval, P., Gregoris, G., Pouysegur, M., Cazaux, Jean-Louis
The Gallium Arsenide Monolithic Microwave Integrated Circuits Technology (MMIC) is now mandatory for competitiveness in space business, ALCATEL ESPACE has to face the challenge of providing Flight...