Patent ID: 11885834
Assignee: TEXAS INSTRUMENTS INCORPORATED
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 25:
26. The system of claim 24, wherein the current sense circuit includes:
an amplitude correction circuit having first and second amplitude correction inputs and first and second amplitude correction outputs, the first and second amplitude correction inputs coupled to the respective first and second sensor inputs, and the amplitude correction circuit configured to, responsive to the first and second sensor signals:
provide a first amplitude signal at the first amplitude correction output representing a first amplitude of the first current signal; and
provide a second amplitude signal at the second amplitude correction output representing a second amplitude of the second current signal; and

a phase correction circuit having first and second phase correction inputs and first and second phase correction outputs, the first phase correction input coupled to the first amplitude correction output, the second phase correction input coupled to the second amplitude correction output, the first phase correction output coupled to the first measurement output, the second phase correction output coupled to the second measurement output, and the phase correction circuit configured to, responsive to the first and second amplitude signals:
provide the first measurement signal representing the first amplitude and a first phase of the first current signal at the first phase correction output; and
provide the second measurement signal representing the second amplitude and a second phase of the second current signal at the second phase correction output.