Cross-differential amplifier
First Claim
Patent Images
1. A device for amplifying a signal comprising:
- an inductor connected to a power source at a first terminal;
two or more amplifiers for providing power to a load connected to an output; and
one or more switches connected to the two or more amplifiers for commutating the inductor between the two or more amplifiers.
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Accused Products
Abstract
A cross-differential amplifier is provided. The cross-differential amplifier includes an inductor connected to a direct current power source at a first terminal. A first and second switch, such as transistors, are connected to the inductor at a second terminal. A first and second amplifier are connected at their supply terminals to the first and second switch. The first and second switches are operated to commutate the inductor between the amplifiers so as to provide an amplified signal while limiting the ripple voltage on the inductor and thus limiting the maximum voltage imposed across the amplifiers and switches.
143 Citations
14 Claims
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1. A device for amplifying a signal comprising:
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an inductor connected to a power source at a first terminal; two or more amplifiers for providing power to a load connected to an output; and one or more switches connected to the two or more amplifiers for commutating the inductor between the two or more amplifiers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A device for amplifying a signal comprising:
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an inductor connected to a power source at a first terminal; one or more switches connected to the inductor for commutating the inductor between two or more amplifiers; a first amplifier for providing power to a load connected to an output of the first amplifier, the first amplifier coupled to the inductor through one of the switches when the switch is in a first state; a second amplifier for providing power to the load connected to an output of the second amplifier, the second amplifier coupled to the inductor through the one of the switches when the switch is in a second state. - View Dependent Claims (10, 11, 12, 13, 14)
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Specification