Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By amplitude
Reexamination Certificate
2008-09-09
2008-09-09
Wells, Kenneth B. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific signal discriminating without subsequent control
By amplitude
C330S260000
Reexamination Certificate
active
11376082
ABSTRACT:
A selector switch may be controlled by a single-ended control signal for steering a current through a load or through an auxiliary line. The selector switch may include a first terminal to be coupled to the load, and a second terminal to be connected to the auxiliary line, and two analog switches coupled to respective ones of the first and second terminals and configured to implement a single pole double throw switch so that a conduction or non-conduction state is determined by the single-ended control signal for steering the current through the load or the auxiliary line. The selector switch may also include a circuit defining a positive feedback loop controlling the two analog switches.
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P.R. Gray and R.G. Meyer, Analysis and Design of Integrated Circuits, 2nded. New York: Wiley 1984, pp. 668-670.
Allen Dyer Doppelt Milbrath & Gilchrist
Jorgenson Lisa K.
STMicroelecronics S.r.l
Wells Kenneth B.
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