Patent ID: 11863133
Assignee: BFLY OPERATIONS, INC
Field: Medical technology (Instruments)
Classification: CPC H  A  G | IPC A  G  H

Claim 0:
1. An ultrasound apparatus, comprising:
an ultrasound sensor;
a variable current trans-impedance amplifier (TIA) coupled to the ultrasound sensor and configured to receive and amplify an output signal from the ultrasound sensor, the variable current TIA being a multi-stage operational amplifier having a first stage and a last stage;
wherein the variable current TIA further comprises a variable impedance circuit coupled between an output terminal of the variable current TIA and a node representing an input to the last stage; and
wherein the variable current TIA further comprises a variable feedback impedance circuit coupled between the output terminal of the variable current TIA and a node representing an input to the first stage.