Package with Integrated Pre-Match Circuit and Harmonic Suppression

A package is connected at a first side to a printed circuit board and with a die fixed to it on a second side opposite to the first side. The package has an integrated pre-match circuit to provide an impedance match for a signal to be sent to a circuit external to the package. The signal has a prede...

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Bibliographische Detailangaben
Hauptverfasser:	COLUSSI LAURENTIUS CORNELIS, WILLMS JOHANNES GERADUS
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	A package is connected at a first side to a printed circuit board and with a die fixed to it on a second side opposite to the first side. The package has an integrated pre-match circuit to provide an impedance match for a signal to be sent to a circuit external to the package. The signal has a predetermined main frequency component. The pre-match circuit has a pair of transmission lines and a pair of stubs on a predetermined layer of the package and connected to the pair of transmission lines. The pair of stubs have a length such as to form a short circuit for an harmonic frequency of the main frequency component in the signal.