Low voltage differential signaling circuit
First Claim
Patent Images
1. A low voltage differential signaling circuit comprising:
- an output driver circuit configured to provide a differential signal pair at a differential output pair based on a first signal and a second signal, the second signal a complement of the first signal;
a first peak detect circuit coupled to receive the differential signal pair and configured to provide a first feedback signal based on the differential signal pair and the first and second signals; and
a first amplifier circuit having a first input coupled to the first peak detect circuit, a second input coupled to receive a first reference voltage, and an output coupled to provide a first bias voltage to the output driver circuit.
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Abstract
A low voltage differential signaling circuit includes an output driver circuit configured to provide a differential signal pair based on a first signal and a second signal. A peak detect circuit is coupled to receive the differential signal pair and configured to provide a feedback signal based on the differential signal pair and the first and second signals. An amplifier circuit has a first input coupled to the peak detect circuit, a second input coupled to receive a reference voltage, and an output coupled to provide a bias voltage to the output driver circuit.
7 Citations
20 Claims
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1. A low voltage differential signaling circuit comprising:
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an output driver circuit configured to provide a differential signal pair at a differential output pair based on a first signal and a second signal, the second signal a complement of the first signal; a first peak detect circuit coupled to receive the differential signal pair and configured to provide a first feedback signal based on the differential signal pair and the first and second signals; and a first amplifier circuit having a first input coupled to the first peak detect circuit, a second input coupled to receive a first reference voltage, and an output coupled to provide a first bias voltage to the output driver circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A low voltage differential signaling circuit comprising:
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a differential driver circuit configured to provide a differential signal pair in response to a first signal and a second signal, the second signal a complement of the first signal; a first peak detect circuit coupled to receive the differential signal pair and configured to provide a first feedback signal based on the differential signal pair and the first and second signals; and a first amplifier circuit having a first input coupled to receive the first feedback signal, a second input coupled to receive a first reference voltage, and an output coupled to provide a first bias voltage to the differential driver circuit. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A low voltage differential signaling circuit comprising:
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an output driver circuit having a first input coupled to receive a first signal, a second input coupled to receive a second signal, and a differential output pair formed by a first output and a second output, the output driver circuit configured to provide a differential signal pair at the differential output pair based on the first signal and the second signal; a first peak detect circuit coupled to the differential output pair and configured to provide a first feedback signal based on the differential signal pair and the first and second signals; and a first amplifier circuit having a first input coupled to receive the first feedback signal, a second input coupled to receive a first reference voltage, and an output coupled to provide a first bias voltage to the output driver circuit. - View Dependent Claims (18, 19, 20)
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Specification