PATENT CLAIM ANALYSIS

Application Number: 15912642
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2019-09
Patent Classification: ["330", "253000"]

Abstract:
An amplifier includes an input stage, a folded cascode stage, and a class AB output stage. The folded cascode stage is coupled to the input stage. The class AB output stage is coupled to the folded cascode stage. The class AB output stage includes a high-side output transistor, a low-side output transistor, and a high-side feedback circuit that is coupled to the high-side output transistor. The high-side feedback circuit includes a high-side sense transistor and a high-side feedback transistor. The high-side sense transistor includes a control terminal that is coupled to a control terminal of the high-side output transistor. The high-side feedback transistor is coupled to an output of the high-side sense transistor and to the folded cascode stage. A first output of the folded cascode stage is coupled to the control terminal of the high-side sense transistor and to the control terminal of the high-side output transistor.

Claim (Index 16):
A class AB amplifier, comprising:\n a folded cascode stage; and a class AB output stage coupled to the folded cascode stage, the class AB output stage comprising:\n a high-side output transistor; \n a low-side output transistor; \n a high-side feedback circuit coupled to the high-side output transistor, the high-side feedback circuit comprising:\n a high-side sense transistor comprising:\n a control terminal, wherein the control terminal of the high-side sense transistor is coupled to a control terminal of the high-side output transistor; and \n an output terminal coupled to the folded cascode stage; and \n \n a first current source coupled to an output of the high-side sense transistor and to a first reference voltage source; \n wherein a first output of the folded cascode stage is coupled to the control terminal of the high-side sense transistor and to the control terminal of the high-side output transistor; \n \n a low-side feedback circuit coupled to the low-side output transistor, the low-side feedback circuit comprising:\n a low-side sense transistor comprising:\n a control terminal, wherein the control terminal of the low-side sense transistor is coupled to a control terminal of the low-side output transistor; and \n an output terminal coupled to the folded cascode stage; and \n \n a second current source coupled to an input of the low-side sense transistor and to a second reference voltage source; \n wherein a second output of the folded cascode stage is coupled to the control terminal of the low-side sense transistor and to the control terminal of the low-side output transistor; \n \n a low-side feedback transistor coupled to an output of the low-side sense transistor and to the folded cascode stage; and \n a gain control transistor having a first terminal coupled to the first output of the folded cascode stage and a second terminal coupled to the low-side feedback transistor; wherein the second terminal is coupled to the folded cascode stage via the low-side feedback transistor.

Metadata:
- Claim Count in Document: 35.0
- Percentile: 90.0
- Lexical Diversity: 5.0
- Patent Class: 330.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['11003299', '11378906', '11210036', '11493654', '11096321']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8027375250733599
- 35 USC 102 Novelty (BERT): 0.5033844888344736
- Combined Prediction Score: 0.7728022214494714
- Mean Citation Score: 286.64649999999995
- Max Citation Score: 294.59967
- Similarity Product: 260.14304998339003

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test