Ring amplifiers for switched capacitor circuits

B Hershberg, S Weaver, K Sobue… - IEEE Journal of Solid …, 2012 - ieeexplore.ieee.org
In this paper the fundamental concept of ring amplification is introduced and explored. Ring
amplifiers enable efficient amplification in scaled environments, and possess the benefits of …

A 100 MS/s, 10.5 bit, 2.46 mW comparator-less pipeline ADC using self-biased ring amplifiers

Y Lim, MP Flynn - IEEE Journal of Solid-State Circuits, 2015 - ieeexplore.ieee.org
The ring amplifier is an energy efficient and high output swing alternative to an OTA for
switched-capacitor circuits. However, the conventional ring amplifier requires external …

A 10-mW 16-b 15-MS/s two-step SAR ADC with 95-dB DR using dual-deadzone ring amplifier

A ElShater, PK Venkatachala, CY Lee… - IEEE Journal of Solid …, 2019 - ieeexplore.ieee.org
Low-noise ring amplifiers required for high-precision analog-digital converters (ADCs)
greater than 16 b remain unexplored. This article demonstrates a two-step successive …

A Rail-to-Rail 12 MS/s 91.3 dB SNDR 94.1 dB DR Two-Step SAR ADC With Integrated Input Buffer Using Predictive Level-Shifting

M Li, CY Lee, PK Venkatachala… - IEEE Journal of Solid …, 2023 - ieeexplore.ieee.org
Input buffers can be used to reduce the input load of high-resolution discrete-time (DT)
Nyquist analog-to-digital converters (ADCs), which can be challenging to drive, particularly …

Wideband beamforming with rainbow beam training using reconfigurable true-time-delay arrays for millimeter-wave wireless [feature]

CC Lin, V Boljanovic, H Yan, E Ghaderi… - IEEE circuits and …, 2022 - ieeexplore.ieee.org
The decadal research in integrated true-time-delay arrays have seen organic growth
enabling realization of wideband beamformers for large arrays with wide aperture widths …

Process-Scalable and Loew-Power Amplifiers: Progress and prospects in dynamic amplifier research

S Oh, M Je - IEEE Solid-State Circuits Magazine, 2024 - ieeexplore.ieee.org
Amplifiers are critical components in many applications. They simply perform signal
amplification, but real-world implementation must consider several challenges, such as finite …

A 75.9 dB-SNDR 2.96 mW 29fJ/conv-step ringamp-only pipelined ADC

B Hershberg, UK Moon - 2013 Symposium on VLSI Circuits, 2013 - ieeexplore.ieee.org
A high resolution pipelined ADC that performs precision amplification using only ring
amplifiers is presented. Several enabling techniques are introduced, namely parallelization …

A low-power high-dynamic-range receiver system for in-probe 3-D ultrasonic imaging

H Attarzadeh, Y Xu, T Ytterdal - IEEE transactions on …, 2017 - ieeexplore.ieee.org
In this paper, a dual-mode low-power, high dynamic-range receiver circuit is designed for
the interface with a capacitive micromachined ultrasonic transducer. The proposed …

A 200MS/s, 11 bit SAR-assisted pipeline ADC with bias-enhanced ring amplifier

Y Chen, J Wang, H Hu, F Ye… - 2017 IEEE International …, 2017 - ieeexplore.ieee.org
This paper presents an 11bit 200MS/s SAR-assisted pipeline ADC with a 2.5 bit front end
stage and two time-interleaved 9bit sub-SAR ADCs, implemented in 65nm CMOS process …

A fully-digital beat-frequency based ADC achieving 39dB SNDR for a 1.6mVpp input signal

B Kim, W Xu, CH Kim - Proceedings of the IEEE 2013 Custom …, 2013 - ieeexplore.ieee.org
A fully-digital VCO-based ADC featuring a novel beat frequency detection scheme is
demonstrated in 65nm LP CMOS. The proposed beat frequency based ADC is unique …