Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1987-11-17
1989-05-30
Hudspeth, David
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307242, 307448, 307469, 307475, H03K 17693
Patent
active
048354180
ABSTRACT:
A bidirectional buffer having a high impedance state is provided. This buffer is used for amplifying a signal as it is passed from one transmission line to another when it is desirable to select which direction the signal will flow. A switching circuit controls which transmission line is connected to the input terminal of the buffer and which is connected to the output terminal. A high impedance state is also provided for disconnecting the two transmission lines. Two memory cells control the direction of signal flow and the high impedance state.
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patent: 4419592 (1983-12-01), Norgren et al.
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patent: 4624006 (1986-11-01), Rempfer et al.
patent: 4680491 (1987-07-01), Yokouchi et al.
patent: 4695740 (1987-09-01), Carter
patent: 4703198 (1987-10-01), Porter et al.
Gaudenzi, "Bidirectional Tristate Driver", IBM T.D.B., vol. 20 No. 11A, Apr. 1978, pp. 4376-4377.
Hudspeth David
Xilinx , Inc.
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