Importance

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Abstract

There is disclosed a logic signal multiplier circuit which includes the interconnection of a plurality of inverters having outputs interconnected by a capacitor. Each of the inverters includes complementary transistors having their gates connected to a common terminal such that each inverter may be controlled by a separate clock control signal. The control signals are coupled to provide a three-phase operation of the circuit which insures (1) charging of the capacitor between the outputs of the inverters during a first time period, (2) an increase of the voltage at a node of one of the inverters to a value which is twice the value of the supply voltage driving the inverters during a second time period, and (3) coupling of that same node to ground during a third time period. Diodes are interconnected in each of the inverter circuits to prevent discharge of the capacitor during times that selected ones of the transistors forming the inverter circuits are conductive.

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First Claim