CIRCUITS AND METHODS FOR BI-DIRECTIONAL DATA COMMUNCTION OVER ISOLATION CHANNELS
First Claim
Patent Images
1. A data communication circuit comprising:
- a differential transmitter configured to be coupled with a differential input of a first unidirectional differential isolation channel; and
a differential receiver configured to be coupled with a differential output of a second unidirectional differential isolation channel,the differential receiver including a comparator having a threshold adjustable based on a signal received via the second unidirectional differential isolation channel.
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Abstract
In a general aspect, a data communication circuit can include a differential transmitter configured to be coupled with a differential input of a first unidirectional differential isolation channel, and a differential receiver configured to be coupled with a differential output of a second unidirectional differential isolation channel. The differential receiver can include a comparator that has a threshold that is adjustable based on a signal received via the second unidirectional differential isolation channel.
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Citations
19 Claims
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1. A data communication circuit comprising:
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a differential transmitter configured to be coupled with a differential input of a first unidirectional differential isolation channel; and a differential receiver configured to be coupled with a differential output of a second unidirectional differential isolation channel, the differential receiver including a comparator having a threshold adjustable based on a signal received via the second unidirectional differential isolation channel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A data communication device comprising:
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a dielectric substrate including; a first capacitor and a second capacitor defined thereon, the first capacitor and the second capacitor being included in a first unidirectional differential isolation channel having a differential input and a differential output, and a third capacitor and a fourth capacitor defined thereon, the third capacitor and the fourth capacitor being included in a second unidirectional differential channel having a differential input and a differential output, a first data communication circuit including; a differential transmitter coupled with the differential input of the first unidirectional differential isolation channel, and a differential receiver coupled with the differential output of the second unidirectional differential channel, a second data communication circuit including; a differential transmitter coupled with the differential input of the second unidirectional differential channel, and a differential receiver coupled with the differential output of the second unidirectional differential channel, the differential receiver of the first data communication circuit including a comparator having a threshold adjustable based on a clock signal provided by a transmitter of the second data communication circuit via the second unidirectional differential channel, the differential receiver of the second data communication circuit including a comparator having a threshold adjustable based on a clock signal provided by the transmitter of the first data communication circuit via the first unidirectional differential isolation channel. - View Dependent Claims (12, 13, 14)
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15. A method comprising:
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providing, via a first unidirectional isolation channel, a first calibration signal from a transmitter of a first data communication circuit to a receiver of a second data communication circuit, the first calibration signal being based on a clock signal of the first data communication circuit; providing, via a second unidirectional isolation channel, a second calibration signal from a transmitter of the second data communication circuit to a receiver of the first data communication circuit, the second calibration signal being based on a clock signal of the first data communication circuit; determining, by the first data communication circuit, based on the second calibration signal; a threshold of a comparator included in the receiver of the first data communication circuit, and a clock recovery delay for a decoder of the first data communication circuit; and determining, by the second data communication circuit, based on the first calibration signal; a threshold of a comparator included in the receiver of the second data communication circuit, and a clock recovery delay for a decoder of the second data communication circuit. - View Dependent Claims (16, 17, 18, 19)
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Specification