Current drive arrangement for symmetrical switching circuits
    4.
    发明授权
    Current drive arrangement for symmetrical switching circuits 失效
    电流切换电路的电流驱动装置

    公开(公告)号:US3588669A

    公开(公告)日:1971-06-28

    申请号:US3588669D

    申请日:1968-09-26

    Applicant: GEN ELECTRIC

    CPC classification number: H02M3/337 H02M7/537

    Abstract: A CURRENT DRIVE ARRANGEMENT IN A SYMMETRICAL SWITCHING CIRCUIT. ALTERNATELY CONDUCTING SWITCHING TRANSISTORS RESPECTIVELY CONNECT THE POSITIVE AND NEGATIVE TERMINAL OF A DC SOURCE TO A LOAD. A SINGLE MAGNETIC DEVICE, A CURRENT TRANSFORMER HAVING A PLURALITY OF WINDINGS, IS PROVIDED. DRIVE CURRENT IS COUPLE FROM A FIRST WINDING TO THE BASES OF THE TRANSISTORS TO TURN ONE TRANSISTOR ON AND BIAS THE OTHER TRANSISTOR OFF. ANOTHER WINDING OF THE TRANSFORMER IS CONNECTED TO COUPLE LOAD CURRENT TO THE TRANSISTOR BASES TO PROVIDE REGENERATIVE DRIVE. WHEN THE DRIVE SIGNAL REVERSES IN POLARITY, THE MAGNETIC DEVICE COUPLES THE DRIVE CURRENT AND THE LOAD CURRENT TO THE TRANSISTORS TO PROVIDE PROPER COMMUTATION.

Patent Agency Ranking