Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1986-03-10
1987-06-09
Miller, Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307572, 307577, 307490, H03K 17687
Patent
active
046722467
ABSTRACT:
A MOSFET transistor switch control circuit using high impedance, low offset, ground referenced control is disclosed. The invention comprises a first enhancement mode MOSFET having a drain connected to an electrical signal, and a second enhancement mode MOSFET having a gate connected to the gate of the first MOSFET, a source connected to the source of the first MOSFET, and a drain connected to an output of the switch. The invention further comprises, in combination with the above elements, current injection apparatus for injecting current into the switch control circuit, current switching apparatus for connecting and disconnecting the current injection apparatus from and to the switch control circuit, and electrical circuit apparatus for maintaining the gate voltage of the MOSFETs about equal to their source voltage when the current injection apparatus is disconnected, and for increasing the gate voltage when the current injection apparatus is connected.
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Davis B. P.
Honeywell Inc.
Leone, Sr. George A.
Miller Stanley D.
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