PHASE DETECTOR
    2.
    发明专利

    公开(公告)号:AU556643B2

    公开(公告)日:1986-11-13

    申请号:AU9199282

    申请日:1982-12-31

    Applicant: SONY CORP

    Abstract: A phase detector for detecting a mutual phase difference between two signals, such as first and second microwave signals, comprises first and second signal paths for being supplied with first and second input signals of the same frequency, respectively, and providing with a predetermined additional mutual phase difference between the first and second input signals at their output ends and a field effect transistor having a pair of input electrodes connected to the output ends of the first and second signal paths, respectively, and an output electrode from which an output signal representing a mutual phase difference which the first and second input signals have originally therebetween is derived. The first and second input signals at the input electrodes of the field effect transistor have the original mutual phase difference which is to be detected and the predetermined additional mutual phase difference added by the first and second signal paths therebetween. The field effect transistor is biased to operate with a gate bias voltage nearly equal to a pinch-off voltage thereof. In order to establish such biasing state without reducing the operational gain of the field effect transistor, a biasing resistance connected to the source of the field effect transistor is selected to be low and a current source is provided for supplying an external biasing current to the biasing resistance, thereby to produce the gate bias voltage required.

    3.
    发明专利
    未知

    公开(公告)号:DE19804568B9

    公开(公告)日:2009-08-06

    申请号:DE19804568

    申请日:1998-02-05

    Applicant: SONY CORP

    Abstract: An insulated-gate field effect transistor comprising a channel forming region, source/drain regions, a gate region, a bias supplying means, and a capacitive element, wherein a potential for controlling a gate threshold voltage of the insulated-gate field effect transistor in an off-state thereof is applied to the channel forming region through the bias supplying means, and a signal having approximately the same phase as a phase of a signal supplied to the gate region is supplied to the channel forming region through the capacitive element.

    4.
    发明专利
    未知

    公开(公告)号:DE3587469D1

    公开(公告)日:1993-08-26

    申请号:DE3587469

    申请日:1985-10-30

    Applicant: SONY CORP

    Abstract: A rotary coupler is disclosed, in which a rotor (11, 411, 511) and a non-rotor (stator 12, 412, 512) are provided on their facing surfaces with microstrip lines (15, 16; 115, 116; 215, 216; 315; 316; 415, 416; 515, 516) which are disposed along circles concentric with the axis of the rotor (11, 411, 511) and facing one another. High frequency signals are transferred between the microstrip line (15, 115, 215, 315, 415, 515) on the side of the rotor (11, 411, 511) and the microstrip line (16, 116, 216, 316, 416, 516) on the side of the non-rotor (12, 412, 512).

    5.
    发明专利
    未知

    公开(公告)号:AT91825T

    公开(公告)日:1993-08-15

    申请号:AT85113827

    申请日:1985-10-30

    Applicant: SONY CORP

    Abstract: A rotary coupler is disclosed, in which a rotor (11, 411, 511) and a non-rotor (stator 12, 412, 512) are provided on their facing surfaces with microstrip lines (15, 16; 115, 116; 215, 216; 315; 316; 415, 416; 515, 516) which are disposed along circles concentric with the axis of the rotor (11, 411, 511) and facing one another. High frequency signals are transferred between the microstrip line (15, 115, 215, 315, 415, 515) on the side of the rotor (11, 411, 511) and the microstrip line (16, 116, 216, 316, 416, 516) on the side of the non-rotor (12, 412, 512).

    PHASE DETECTORS FOR DETECTING A MUTUAL PHASE DIFFERENCE BETWEEN TWO SIGNALS

    公开(公告)号:GB2113492B

    公开(公告)日:1985-02-20

    申请号:GB8237045

    申请日:1982-12-31

    Applicant: SONY CORP

    Abstract: A phase detector for detecting a mutual phase difference between two signals, such as first and second microwave signals, comprises first and second signal paths for being supplied with first and second input signals of the same frequency, respectively, and providing with a predetermined additional mutual phase difference between the first and second input signals at their output ends and a field effect transistor having a pair of input electrodes connected to the output ends of the first and second signal paths, respectively, and an output electrode from which an output signal representing a mutual phase difference which the first and second input signals have originally therebetween is derived. The first and second input signals at the input electrodes of the field effect transistor have the original mutual phase difference which is to be detected and the predetermined additional mutual phase difference added by the first and second signal paths therebetween. The field effect transistor is biased to operate with a gate bias voltage nearly equal to a pinch-off voltage thereof. In order to establish such biasing state without reducing the operational gain of the field effect transistor, a biasing resistance connected to the source of the field effect transistor is selected to be low and a current source is provided for supplying an external biasing current to the biasing resistance, thereby to produce the gate bias voltage required.

    9.
    发明专利
    未知

    公开(公告)号:FR2519767B1

    公开(公告)日:1987-01-30

    申请号:FR8300190

    申请日:1983-01-07

    Applicant: SONY CORP

    Abstract: A phase detector for detecting a mutual phase difference between two signals, such as first and second microwave signals, comprises first and second signal paths for being supplied with first and second input signals of the same frequency, respectively, and providing with a predetermined additional mutual phase difference between the first and second input signals at their output ends and a field effect transistor having a pair of input electrodes connected to the output ends of the first and second signal paths, respectively, and an output electrode from which an output signal representing a mutual phase difference which the first and second input signals have originally therebetween is derived. The first and second input signals at the input electrodes of the field effect transistor have the original mutual phase difference which is to be detected and the predetermined additional mutual phase difference added by the first and second signal paths therebetween. The field effect transistor is biased to operate with a gate bias voltage nearly equal to a pinch-off voltage thereof. In order to establish such biasing state without reducing the operational gain of the field effect transistor, a biasing resistance connected to the source of the field effect transistor is selected to be low and a current source is provided for supplying an external biasing current to the biasing resistance, thereby to produce the gate bias voltage required.

    PHASE DETECTORS FOR DETECTING A MUTUAL PHASE DIFFERENCE BETWEEN TWO SIGNALS

    公开(公告)号:GB2113492A

    公开(公告)日:1983-08-03

    申请号:GB8237045

    申请日:1982-12-31

    Applicant: SONY CORP

    Abstract: A phase detector for detecting a mutual phase difference between two signals, such as first and second microwave signals, comprises first and second signal paths for being supplied with first and second input signals of the same frequency, respectively, and providing with a predetermined additional mutual phase difference between the first and second input signals at their output ends and a field effect transistor having a pair of input electrodes connected to the output ends of the first and second signal paths, respectively, and an output electrode from which an output signal representing a mutual phase difference which the first and second input signals have originally therebetween is derived. The first and second input signals at the input electrodes of the field effect transistor have the original mutual phase difference which is to be detected and the predetermined additional mutual phase difference added by the first and second signal paths therebetween. The field effect transistor is biased to operate with a gate bias voltage nearly equal to a pinch-off voltage thereof. In order to establish such biasing state without reducing the operational gain of the field effect transistor, a biasing resistance connected to the source of the field effect transistor is selected to be low and a current source is provided for supplying an external biasing current to the biasing resistance, thereby to produce the gate bias voltage required.

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