Signal transmission arrangement with a transformer
First Claim
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1. A signal transmission arrangement, comprising:
- a transformer having a first winding and a second winding, wherein the transformer is a coreless transformer;
a damping circuit having an input terminal for receiving an input signal, the damping circuit coupled to the first winding and configured to have an electrical resistance that is dependent on the input signal;
an oscillator circuit comprising the second winding and configured to provide an oscillating signal; and
an evaluation circuit configured to receive the oscillating signal, and to provide an output signal that is dependent on an amplitude of the oscillating signal.
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Abstract
A signal transmission arrangement includes a transformer with a first and a second winding. A damping circuit has an input terminal for receiving an input signal. The damping circuit is coupled to the first winding and is configured to have an electrical resistance that is dependent on the input signal. An oscillator circuit includes the second winding and is configured to provide an oscillating signal. An evaluation circuit is configured to receive the oscillating signal and to provide an output signal that is dependent on an amplitude of the oscillating signal.
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Citations
17 Claims
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1. A signal transmission arrangement, comprising:
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a transformer having a first winding and a second winding, wherein the transformer is a coreless transformer; a damping circuit having an input terminal for receiving an input signal, the damping circuit coupled to the first winding and configured to have an electrical resistance that is dependent on the input signal; an oscillator circuit comprising the second winding and configured to provide an oscillating signal; and an evaluation circuit configured to receive the oscillating signal, and to provide an output signal that is dependent on an amplitude of the oscillating signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method, comprising:
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receiving a first signal to be transmitted; damping an oscillating signal received from an oscillating circuit comprising a second winding of a coreless transformer based on varying an electrical resistance of a damping circuit connected to a first winding of the coreless transformer based on the first signal; and generating a second signal based on the oscillating signal.
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17. A signal transmission arrangement, comprising:
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a transformer having a first winding and a second winding; a damping circuit having an input terminal for receiving an input signal, the damping circuit coupled to the first winding and configured to have an electrical resistance that is dependent on the input signal; an oscillator circuit comprising the second winding and configured to provide an oscillating signal, wherein the oscillator circuit comprises an LC-circuit that includes the second winding, and an amplifier coupled with the LC-circuit, and wherein the oscillator circuit is a Colpitts oscillator circuit; and an evaluation circuit configured to receive the oscillating signal, and to provide an output signal that is dependent on an amplitude of the oscillating signal.
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Specification