[go: up one dir, main page]

Rodovalho et al., 2024 - Google Patents

Inverter-based amplifier with active frequency compensation and adaptive voltage scaling

Rodovalho et al., 2024

Document ID
15642188085982265079
Author
Rodovalho L
Aiello O
Publication year
Publication venue
2024 IEEE International Symposium on Circuits and Systems (ISCAS)

External Links

Snippet

This paper presents and compares two single-ended inverter-based amplifier topologies, with and without active frequency compensation, both with the same area and the same biasing circuits. Thanks to adaptive voltage scaling and body biasing, the proposed circuits …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H03F3/45183—Long tailed pairs
    • H03F3/45192—Folded cascode stages
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H03F3/45197—Pl types
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H03F3/45928—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H03F3/45632—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45278—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using BiFET transistors as the active amplifying circuit
    • H03F3/45282—Long tailed pairs
    • H03F3/45291—Folded cascode stages
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—Dc amplifiers in which all stages are dc-coupled
    • H03F3/343—Dc amplifiers in which all stages are dc-coupled with semiconductor devices only
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3001—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor with field-effect transistors
    • H03F3/3022—CMOS common source output SEPP amplifiers
    • H03F3/3023—CMOS common source output SEPP amplifiers with asymmetrical driving of the end stage
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08—Modification of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3211—Modifications of amplifiers to reduce non-linear distortion in differential amplifiers
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers

Similar Documents

Publication Publication Date Title
Kulej 0.5‐V bulk‐driven CMOS operational amplifier
Grasso et al. Design methodology of subthreshold three-stage CMOS OTAs suitable for ultra-low-power low-area and high driving capability
Khateb et al. Multiple-input bulk-driven MOS transistor for low-voltage low-frequency applications
You et al. Low-voltage class AB buffers with quiescent current control
You et al. Am improved tail current source for low voltage applications
Khateb et al. 0.3-V bulk-driven nanopower OTA-C integrator in 0.18 µm CMOS
Akbari et al. 0.4-V tail-less quasi-two-stage OTA using a novel self-biasing transconductance cell
Deo et al. Subthreshold biased enhanced bulk-driven double recycling current mirror OTA
Mak et al. A signal-and transient-current boosting amplifier for large capacitive load applications
Sharan et al. Sub-threshold, cascode compensated, bulk-driven OTAs with enhanced gain and phase-margin
Centurelli et al. A topology of fully differential class-AB symmetrical OTA with improved CMRR
Vlassis 0.5 V CMOS inverter-based tunable transconductor
Cellucci et al. 0.6‐V CMOS cascode OTA with complementary gate‐driven gain‐boosting and forward body bias
Paul et al. Pseudo-three-stage Miller op-amp with enhanced small-signal and large-signal performance
Veldandi et al. Low-voltage PVT-insensitive bulk-driven OTA with enhanced DC gain in 65-nm CMOS process
Kumngern et al. Extremely low-voltage low-power differential difference current conveyor using multiple-input bulk-driven technique
Banagozar et al. Ultra-low power two-stage class-AB recycling double folded cascode OTA
CN115395906A (en) Low-power consumption broadband common mode signal detection circuit suitable for ultralow voltage
Centurelli et al. Comparative performance analysis and complementary triode based CMFB circuits for fully differential class AB symmetrical OTAs with low power consumption
Dong et al. A 0.3-V 8.72-nW OTA with bulk-driven low-impedance compensation for ultra-low power applications
Akbari et al. A rail-to-rail transconductance amplifier based on current generator circuits
Rodovalho et al. Inverter-based amplifier with active frequency compensation and adaptive voltage scaling
Kulej et al. A 0.5 V bulk‐driven voltage follower/DC level shifter and its application in class AB output stage
EP1376860A1 (en) Asymmetrical differential amplifier
Safari et al. A simple low voltage, high output impedance resistor based current mirror with extremely low input and output voltage requirements