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    A VARACTOR DEVICE WITH REDUCED TEMPERATURE DEPENDENCE
    2.
    发明专利
    A VARACTOR DEVICE WITH REDUCED TEMPERATURE DEPENDENCE 未知

    公开(公告)号：CA2582322C

    公开(公告)日：2013-12-10

    申请号：CA2582322

    申请日：2004-10-11

    Applicant: ERICSSON TELEFON AB L M

    Inventor： GEVORGIAN SPARTAK ,  JACOBSSON HARALD ,  LEWIN THOMAS

    IPC: H03B5/04 ,  H03H5/12 ,  H03J3/04

    Abstract: The invention discloses a varactor device (100) for improved temperature stability, comprising a first varactor (160) connected to a decoupling network (150). The device further comprises a voltage stabilizer (110), said stabilizer comprising a capacitor (140) and a temperature dependent capacitor (130), and in that the stabilizer comprises means for connection to a DC-feed (120). Suitably, the decoupling network (150) is connected in parallel to the first varactor (160), and the capacitor (140) of the voltage stabilizer (110) is connected in parallel to the decoupling network (150), the temperature dependent capacitor (130) of the voltage stabilizer (110) being connected in series to the diode of the voltage stabilizer (110).

    TUNABLE MICROWAVE ARRANGEMENTS
    3.
    发明专利
    TUNABLE MICROWAVE ARRANGEMENTS 未知

    公开(公告)号：CA2550776C

    公开(公告)日：2011-07-05

    申请号：CA2550776

    申请日：2003-12-30

    Applicant: ERICSSON TELEFON AB L M

    Inventor： GEVORGIAN SPARTAK ,  LEWIN THOMAS ,  KUYLENSTIERNA DAN

    IPC: H01P1/203 ,  H01P1/18 ,  H01P3/08 ,  H01P5/04 ,  H01P5/18 ,  H01P7/08

    Abstract: The present invention relates to a tunable microwave arrangement (10) comprising a microwave/ integrated circuit device (11) and a substrate (6). It comprises a layered structure disposed between said microwave /integrated circuit device and said substrate (5), said layered structure acting as a ground plane and it comprises at least one regularly or irregularly patterned first metal layer (1), at least one second metal layer (3), at least one tunable ferroelectric film layer (2), whereby said layers are so arranged that the ferroelectric film layers) (2) is/are provided between the/a first metal layer (1) and the/a second metal layer (3).

    A VARACTOR DEVICE WITH REDUCED TEMPERATURE DEPENDENCE
    4.
    发明专利
    A VARACTOR DEVICE WITH REDUCED TEMPERATURE DEPENDENCE 未知

    公开(公告)号：CA2582322A1

    公开(公告)日：2006-04-20

    申请号：CA2582322

    申请日：2004-10-11

    Applicant: ERICSSON TELEFON AB L M

    Inventor： JACOBSSON HARALD ,  LEWIN THOMAS ,  GEVORGIAN SPARTAK

    IPC: H03B5/04 ,  H03H5/12 ,  H03J3/04

    Abstract: The invention discloses a varactor device (100) for improved temperature stability, comprising a first varactor (160) connected to a decoupling network (150). The device further comprises a voltage stabilizer (110), said stabilizer comprising a capacitor (140) and a temperature dependent capacitor (130), and in that the stabilizer comprises means for connection to a DC-feed (120). Suitably, the decoupling network (150) is connected in parallel to the first varactor (160), and the capacitor (140) of the voltage stabilizer (110) is connected in parallel to the decoupling network (150), the temperature dependent capacitor (130) of the voltage stabilizer (110) being connected in series to the diode of the voltage stabilizer (110).

    A delay-locked loop with precision controlled delay
    5.
    发明专利
    A delay-locked loop with precision controlled delay 未知

    公开(公告)号：AU2003304613A1

    公开(公告)日：2005-06-29

    申请号：AU2003304613

    申请日：2003-12-10

    Applicant: ERICSSON TELEFON AB L M

    Inventor： JACOBSSON HARALD ,  LEWIN THOMAS ,  GEVORGIAN SPARTAK

    IPC: H01P1/18 ,  H03H7/30 ,  H03L7/081

    Abstract: The invention discloses a delay-locked loop circuit with input means for a signal that is to be delayed, the input means comprising means for splitting the input signal into a first and a second branch. The signal in the first branch is connected to a component for delaying the signal, and the signal in the second branch is used as a non-delayed reference for the delay caused by the delay component in the first branch. The delay component is a passive tunable delay line, and the circuit comprises tuning means for the tunable delay line, the tuning means being affected by said reference signal, and the first branch comprises output means for outputting a delayed signal with a chosen phase delay. Suitably, the delay component is continuously tunable, for example a tunable ferroelectric delay line.

    AN OSCILLATOR CIRCUIT WITH TUNEABLE SIGNAL DELAY MEANS
    6.
    发明专利
    AN OSCILLATOR CIRCUIT WITH TUNEABLE SIGNAL DELAY MEANS 未知

    公开(公告)号：CA2545983A1

    公开(公告)日：2005-06-23

    申请号：CA2545983

    申请日：2003-12-10

    Applicant: ERICSSON TELEFON AB L M

    Inventor： JACOBSSON HARALD ,  GEVORGIAN SPARTAK ,  LEWIN THOMAS

    IPC: H03B5/20 ,  H03B5/24 ,  H03L7/081

    Abstract: The invention discloses an oscillator circuit ( 100, 200, 300, 400 ), comprising an oscillating element ( 110, 210, 310, 410 ) and output means ( 115, 215, 315, 415 ) for outputting an oscillation frequency from the oscillating circuit. The circuit further comprises a signal delay means ( 120, 220, 320, 420 ) which is arranged in series with the oscillating element and feeds the output signal back to the oscillating element. The delay means is ( 120, 220, 320, 420 ) tuneable with respect to the delay it provides. The oscillating element can be an amplifier or a VCO, and the delay means can be a Delay Locked Loop or a tuneable delay line, depending on the embodiment of the invention.

    7.
    发明专利
    未知

    公开(公告)号：SE517845C2

    公开(公告)日：2002-07-23

    申请号：SE0004494

    申请日：2000-12-05

    Applicant: ERICSSON TELEFON AB L M

    Inventor： BERGSTEDT LEIF ,  LEWIN THOMAS ,  LIGANDER PER ,  GEVORGIAN SPARTAK

    IPC: H01Q15/14

    Abstract: The present invention relates an antenna arrangement (23, 330, 430, 530, 630) comprising a fit layer (331, 431, 531, 631) consisting of a dielectric material and a second reflective layer (335, 435, 535, 640, The dielectric material has variable dielectric characteristics. An electromagnetic radiation (50) passing through said first layer (331, 431, 531, 631) and at least partly reflected by said second layer (335, 435, 535, 640) is modulated by varying said variable dielectric characteristics of said first layer.

    9.
    发明专利
    未知

    公开(公告)号：AT433206T

    公开(公告)日：2009-06-15

    申请号：AT03786484

    申请日：2003-12-30

    Applicant: ERICSSON TELEFON AB L M

    Inventor： GEVORGIAN SPARTAK ,  LEWIN THOMAS ,  KUYLENSTIERNA DAN

    IPC: H01P1/203 ,  H01P1/18 ,  H01P3/08 ,  H01P5/04 ,  H01P5/18 ,  H01P7/08

    Abstract: The present invention relates to a tunable microwave arrangement (10) comprising a microwave/integrated circuit device (11) and a substrate (6). It comprises a layered structure disposed between said microwave/integrated circuit device and said substrate (5), said layered structure acting as a ground plane and it comprises at least one regularly or irregularly patterned first metal layer (1), at least one second metal layer (3), at least one tunable ferroelectric film layer (2), whereby said layers are so arranged that the ferroelectric film layers) (2) is/are provided between the/a first metal layer (1) and the/a second metal layer (3).

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