# A 1.8–GΩ Input-Impedance 0.15–μV Input-Referred–Ripple Chopper Amplifier With Local Positive Feedback and SAR-Assisted Ripple Reduction

**Type:** Papers  
**Canonical URL:** https://picoportal.org/library/papers/a-1-8-g-input-impedance-0-15-v-input-referred-ripple-chopper-amplifier-with/

## Facts

| Field | Value |
| --- | --- |
| Author Names | Tianxiang Qu,Qinjing Pan,Liheng Liu,Xiaoyang Zeng,Zhiliang Hong,Jiawei Xu |
| Citations | 35 |
| DOI | 10.1109/jssc.2022.3225950 |
| Fields | Engineering |
| Open Access | false |
| OA Status | closed |
| OpenAlex ID | https://openalex.org/W4313127323 |
| Type | article |
| Year | 2022 |

## Paper authors

- [Xiaoyang Zeng](https://picoportal.org/library/researchers/xiaoyang-zeng/)

## Paper journal

- [IEEE Journal of Solid-State Circuits](https://picoportal.org/library/journals/ieee-journal-of-solid-state-circuits/)

## Paper primary topic

- [Analog and Mixed-Signal Circuit Design](https://picoportal.org/library/topics/analog-and-mixed-signal-circuit-design/)

## Paper topics

- [Analog and Mixed-Signal Circuit Design](https://picoportal.org/library/topics/analog-and-mixed-signal-circuit-design/)
- [Advancements in Semiconductor Devices and Circuit Design](https://picoportal.org/library/topics/advancements-in-semiconductor-devices-and-circuit-design/)
- [Radio Frequency Integrated Circuit Design](https://picoportal.org/library/topics/radio-frequency-integrated-circuit-design/)

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Source: PICO Portal — public research metadata, principally OpenAlex. See https://picoportal.org/library/sources/ for provenance and https://picoportal.org/library/methodology/ for what these figures mean.