Coupling and method for a transition-edge bolometer
First Claim
1. Circuit for transition-edge bolometers, which comprisesa resistor element included in a transition-edge bolometer, wherein the resistor element is arranged to operate in the transition-edge zone, andan amplifier connected to the resistor element,wherein positive and negative feedbacks, using the amplifier, are implemented in the measurement of an impedance associated with the resistor element.
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Abstract
The invention relates to a circuit for transition-edge bolometers, which comprises a resistor element (1) arranged to operate in the transition-edge zone, and an amplifier (5) connected to the resistor element (1). According to the invention, in connection with the amplifier (5) means are arranged for implementing positive (4, 5) and negative (5, 2) feedbacks in the resistance measurement.
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Citations
12 Claims
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1. Circuit for transition-edge bolometers, which comprises
a resistor element included in a transition-edge bolometer, wherein the resistor element is arranged to operate in the transition-edge zone, and an amplifier connected to the resistor element, wherein positive and negative feedbacks, using the amplifier, are implemented in the measurement of an impedance associated with the resistor element.
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7. Method for transition-edge bolometers, said method comprising:
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arranging a resistor element, included in a transition-edge bolometer, to operate in the transition-edge zone, and measuring the resistance value of the resistor element using an amplifier connected to it, wherein both positive and negative feedbacks are implemented using the amplifier, during the measurement of an impedance associated with the resistor element. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification