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US 8,368,464 B2Granted
Balanced output signal generator
AssigneeKing Fahd University of Petroleum and Minerals
InventorMuhammad Taher Abuelma'atti
Life of this patent
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Abstract
The balanced output signal generator uses four interconnected plus-type second-generation current conveyors, a couple of load resistors and a single input resistor that can provide both current- and voltage-mode outputs. No matching conditions are required.
Claims2
A balanced output signal generator, comprising:
- first, second, third, and fourth positive polarity second-generation current conveyors, each having an X-input, a Y-input, and a Z-output, the Z-output of the first positive polarity second-generation current conveyor being connected to the Y-input of the third positive polarity second-generation current conveyor, the Z-output of the second positive polarity second-generation current conveyor being connected to the Y-input of the fourth positive polarity second-generation current conveyor;
- an input resistor having a first terminal and a second terminal, the first terminal of the input resistor being connected to the X-input of the first positive polarity second-generation current conveyor and the X-input of the third positive polarity second-generation current conveyor, the second terminal of the input resistor being connected to the X-input of the second positive polarity second-generation current conveyor and the X-input of the fourth positive polarity second-generation current conveyor;
- a first input voltage applied to the Y-input of the first positive polarity second-generation current conveyor;
- and
- a second input voltage applied to the Y-input of the second positive polarity second-generation current conveyor;
- whereby a first current at the Z-output of the third positive polarity second-generation current conveyor is equal to the negative of a second current at the Z-output of the fourth positive polarity second-generation current conveyor, the second current being equal to the difference between the first input voltage and the second input voltage multiplied by the negative reciprocal value of the input resistor.
3 more elements
Dependencies are inferred from the claim text.