Radiation hardened differential amplifier
First Claim
1. A method of amplifying a differential voltage signal, the method comprising:
- receiving, by each of a plurality of amplification units, a differential voltage signal comprising a first component and a second component;
determining, via each of the plurality of amplification units, a difference between the first component and the second component of the differential voltage signal;
amplifying, via each of the plurality of amplification units, the difference between the first component and the second component of the differential voltage signal to generate a plurality of amplified difference signals that each correspond to the amplified difference, wherein at least two of the plurality of amplification units comprises a first amplification circuit, a second amplification circuit, and a driver unit, and wherein the driver unit is configured to receive a first output of the first amplification circuit and a second output of the second amplification circuit, and combine the first output and second output as an amplified difference signal;
combining the plurality of amplified difference signals to generate a common output signal that corresponds to the amplified difference; and
outputting the common output signal.
1 Assignment
0 Petitions
Accused Products
Abstract
This disclosure is directed to techniques for preventing or reducing perturbations of an output signal of a differential amplifier caused by ionizing radiation incident upon the amplifier. The amplifier may include an amplification module that includes a plurality of amplification units configured to amplify a difference between a first component and a second component of a differential voltage signal to generate a plurality of amplified difference signals each corresponding to the amplified difference. The amplifier may further include a combination module that combines the plurality of amplified difference signals to generate a common output signal corresponding to the amplified difference.
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Citations
18 Claims
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1. A method of amplifying a differential voltage signal, the method comprising:
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receiving, by each of a plurality of amplification units, a differential voltage signal comprising a first component and a second component; determining, via each of the plurality of amplification units, a difference between the first component and the second component of the differential voltage signal; amplifying, via each of the plurality of amplification units, the difference between the first component and the second component of the differential voltage signal to generate a plurality of amplified difference signals that each correspond to the amplified difference, wherein at least two of the plurality of amplification units comprises a first amplification circuit, a second amplification circuit, and a driver unit, and wherein the driver unit is configured to receive a first output of the first amplification circuit and a second output of the second amplification circuit, and combine the first output and second output as an amplified difference signal; combining the plurality of amplified difference signals to generate a common output signal that corresponds to the amplified difference; and outputting the common output signal. - View Dependent Claims (2, 3)
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4. A differential amplifier comprising:
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a first voltage source; a second voltage source; an amplification module including a plurality of amplification units configured to amplify a difference between a first component and a second component of a differential voltage signal to generate a plurality of amplified difference signals that each correspond to the amplified difference, wherein at least two of the plurality of amplification units comprises; an first output node; a first circuit element coupled between the first voltage source and the first output node; a common node; a first transistor coupled between the first output node and the common node; a second transistor coupled between the common node and a second circuit element, the second circuit element coupled between the first voltage source and the second transistor; and a third circuit element coupled between the common node and the second voltage source; and a combination module configured to combine the plurality of amplified difference signals to generate a common output signal that corresponds to the amplified difference. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12)
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13. A device for amplifying a differential voltage signal, the device comprising:
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means for receiving, by each of a plurality of amplification units, a differential voltage signal comprising a first component and a second component; means for determining, by each of the plurality of amplification units, a difference between the first component and the second component of the differential voltage signal; means for amplifying, by each of the plurality of amplification units, the difference between the first component and the second component of the differential voltage signal to generate a plurality of amplified difference signals that each correspond to the amplified difference, wherein at least two of the plurality of amplification units comprises a first amplification circuit, a second amplification circuit, and a driver unit, and wherein the driver unit is configured to receive a first output of the first amplification circuit and a second output of the second amplification circuit, and combine the first output and second output as an amplified difference signal; means for combining the plurality of amplified difference signals to generate a common output signal that corresponds to the amplified difference; and means for outputting the common output signal. - View Dependent Claims (14, 15, 16)
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17. A differential amplifier comprising:
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a first voltage source; a second voltage source; an amplification module including a plurality of amplification units configured to amplify a difference between a first component and a second component of a differential voltage signal to generate a plurality of amplified difference signals that each correspond to the amplified difference, wherein at least two of the plurality of amplification units comprises; an output node; a transistor coupled between at least one of the first voltage source and the second voltage source, and the output node, and one or more circuit elements coupled between a gate terminal of the transistor and the output node; and a combination module configured to combine the plurality of amplified difference signals to generate a common output signal that corresponds to the amplified difference. - View Dependent Claims (18)
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Specification