Trans-impedance amplifier (TIA) for ultrasound devices
US11662447B2 · kind B2 · utility
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27References
20Claims
0Family size
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Key dates
| Filing date | Nov 8, 2019 |
| Grant date | May 30, 2023 |
| Priority date | — |
| Expiry date | Oct 12, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/228
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A variable-current trans-impedance amplifier (TIA) for an ultrasound device is described. The TIA may be coupled to an ultrasonic transducer to amplify an output signal of the ultrasonic transducer representing an ultrasound signal received by the ultrasonic transducer. During acquisition of the ultrasound signal by the ultrasonic transducer, one or more current sources in the TIA may be varied. The variable-current trans-impedance amplifier may include multiple stages, including a first stage having N-P transistor pairs configured to receive an input signal and produce a single-ended amplified signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.