Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1991-07-25
1992-11-24
James, Andrew J.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307550, 307268, H03K 500, H03K 501
Patent
active
051665611
ABSTRACT:
An active intelligent termination circuit is designed to function as a self-switching clamp adapted to attenuate unwanted signals on a data bus. A field effect transistor is switched on or off in a conducting mode or non-conducting mode respectively in accordance with the data transmitted on the data bus. Any low level unwanted signals which may appear on the bus when data having a voltage level corresponding to a logic zero is present will be attenuated by the field effect transistor which is coupled to both the data bus and to a ground plane. The field effect transistor switches to the non-conducting mode when data corresponding to a logic level one is transmitted on the bus.
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James Andrew J.
Northern Telecom Limited
Tran Sinh
Turpin F. P.
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