CATHODE A EFFET DE CHAMP A PERFORMANCES ACCRUES

CATHODE A EFFET DE CHAMP A PERFORMANCES ACCRUES

A microwave modulable field-effect cathode which includes at least one array of emissive tips. A microwave modulation signal is produced by a device including a microwave-controllable semiconductor modulation element which is close to the tip array, and a short microline for conveying the modulation...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DIEUMEGRAD DOMINIQUE, FAILLON GEORGES, BRYLINSKI CHRISTIAN
Format: Patent
Sprache:fre
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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Beschreibung
Zusammenfassung:A microwave modulable field-effect cathode which includes at least one array of emissive tips. A microwave modulation signal is produced by a device including a microwave-controllable semiconductor modulation element which is close to the tip array, and a short microline for conveying the modulation signal to the tip array. The microline provides impedance matching between the tip array and the semiconductor modulation element. Such a device can find application as a compact field-effect cathode, as one example.