Switching cell transmission device employing dual gate FET's as

Multiplex communications – Wide area network – Packet switching

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Details

370112, 333103, 327408, 327416, H04J 302, H04J 108, H03K 17687

Patent

active

055047459

ABSTRACT:
The present invention relates mainly to distribution and/or processing devices for RF signals, in particular devices of the following types: signal combiner, signal splitter or divider, time multiplexer, time demultiplexer, frequency multiplexer, amplifier, attenuator, variable delay lines, and a vector modulator type circuit for signal shaping. A device of the invention comprises switching cells based on respective dual gate FETs, and a control signal generator that controls switching to enable the desired functions to be established.

REFERENCES:
patent: 3836720 (1974-09-01), Getgen
patent: 3969638 (1976-07-01), Marchetti et al.
patent: 3995119 (1976-11-01), Pachynski et al.
patent: 4150256 (1979-04-01), Bernet et al.
patent: 4983865 (1991-01-01), Ho et al.

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