Classification and design space exploration of low-power three-stage operational transconductance amplifier architectures for wide load ranges
Since operational transconductance amplifiers (OTAs) form the basic building blocks of
many analog systems, the compensation of three-stage OTAs has attracted a lot of attention …
many analog systems, the compensation of three-stage OTAs has attracted a lot of attention …
Optimized active single-Miller capacitor compensation with inner half-feedforward stage for very high-load three-stage OTAs
This paper introduces a new effective single-Miller capacitor compensation topology for
three-stage amplifiers with very large capacitive loads, realized through an active-feedback …
three-stage amplifiers with very large capacitive loads, realized through an active-feedback …
A robust local positive feedback based performance enhancement strategy for non-recycling folded cascode OTA
Y Wang, Q Zhang, SS Yu, X Zhao… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this study, a local positive feedback technique is proposed to enhance the performance of
the folded cascode (FC) operational transconductance amplifier (OTA) when working in its …
the folded cascode (FC) operational transconductance amplifier (OTA) when working in its …
High-Performance Three-Stage Single-Miller CMOS OTA With No Upper Limit of
This brief presents a low-power, area-efficient three-stage CMOS operational
transconductance amplifier (OTA) suitable for very large capacitive loads, C L. A single …
transconductance amplifier (OTA) suitable for very large capacitive loads, C L. A single …
An enhanced scheme of multi-stage amplifier with high-speed high-gain blocks and recycling frequency cascode circuitry to improve gain-bandwidth and slew rate
PY Kuo, SD Tsai - IEEE Access, 2019 - ieeexplore.ieee.org
With the existing circuit topologies, the conventional multi-stage amplifiers (MSA) can only
achieve low gain-bandwidths (<; 5 MHz) and low slew rates (<; 10 V/μs). These …
achieve low gain-bandwidths (<; 5 MHz) and low slew rates (<; 10 V/μs). These …
Power-efficient single-stage class-AB OTA based on non-linear nested current mirrors
J Beloso-Legarra, A Carlos… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
A novel approach to design low-power area-efficient rail-to-rail output single-stage class-AB
operational transconductance amplifiers (OTAs) with enhanced large-and small-signal …
operational transconductance amplifiers (OTAs) with enhanced large-and small-signal …
Subthreshold biased enhanced bulk-driven double recycling current mirror OTA
This paper presents a single-stage bulk-driven double recycling low-voltage low-power
operational transconductance amplifier (OTA) operating in subthreshold region. The …
operational transconductance amplifier (OTA) operating in subthreshold region. The …
Ultra-low power OTA based on bias recycling and subthreshold operation with phase margin enhancement
An ultra-low power and wide bandwidth operational transconductance amplifier (OTA) is
presented. The proposed OTA employs a folded cascode (FC) structure with an enhanced …
presented. The proposed OTA employs a folded cascode (FC) structure with an enhanced …
A fully integrated analog front end for biopotential signal sensing
A low-power fully-integrated analog front end for biopotential sensors is proposed. The
signal conditioning circuitry features an integrating sampler and a digital-assisted electrode …
signal conditioning circuitry features an integrating sampler and a digital-assisted electrode …
A 175.2-mW 4-stage OTA with wide load range (400 pF–12 nF) using active parallel compensation
SA Fordjour, J Riad… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Multistage amplifiers are a reliable method of achieving high gain in systems where the
voltage supply is low. The common practice is to prefer 3-stage amplifiers over 4-stage ones …
voltage supply is low. The common practice is to prefer 3-stage amplifiers over 4-stage ones …