Patent ID: 11967933
Assignee: TEXAS INSTRUMENTS INCORPORATED
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. A system having circuitry on a first side of an isolation barrier and circuitry on a second side of the isolation barrier, the system comprising:
the isolation barrier operable to electrically isolate the first side from the second side;
a trimmed oscillator, a first transmitter, and a first receiver on the first side, the trimmed oscillator coupled to the first transmitter;
a tunable oscillator, a second transmitter, and a second receiver on the second side, the tunable oscillator coupled to the second receiver and the second transmitter;
wherein the first side is configured to transmit a training sequence to the second side, and the second side is configured to tune the tunable oscillator based on the training sequence; and
wherein the first side is configured to count a number of faults from the second side.