کنفرانس مهندسی برق ایران

صفحه اصلی / سی و سومین کنفرانس بین المللی مهندسی برق

Design of a Three-Stage OTA with Wide Capacitive Load Range Using Dual-Path and Q-Factor Compensation

نویسندگان :

Mohammadreza Abedi Orang¹

1- دانشگاه شهید بهشتی

کلمات کلیدی :

Frequency compensation،Three-stage amplifier،Large capacitive load،Low power،Miller compensation،Unity-gain frequency،Operational Transconductance Amplifier (OTA)،local impedance attenuation (LIA)

چکیده :

This paper presents the design of a three-stage operational transconductance amplifier (OTA) that utilizes a combination of cascode compensation techniques Q-factor topology, and fundamental compensation methods. The amplifier is capable of driving capacitive loads ranging from 300 pF to 1000 pF. To enhance the circuit's frequency bandwidth, left-half plane (LHP) zeros are introduced and aligned with the LHP poles. Additionally, a slew-rate enhancer circuit is implemented to improve the slew rate of the amplifier. The design is implemented using 180 nm CMOS technology with a 1.8 V supply voltage. Simulation results reveal that the amplifier achieves a unity-gain bandwidth of 3.8392 MHz for a capacitive load of 300 pF. It also delivers a DC gain of 140.103 dB and a slew rate of 1.3473 V/µS for the same load, while achieving a figure of merit(FOM) of 15.23 MHz.pF/µW with a power consumption of 35.809 µW.

لیست مقالات

لیست مقالات بایگانی شده

Optimization and Analysis of Transformer Hot Spot Temperature Under Harmonic Conditions with Different Windings

Mehran Nemati - Hamed Karimi - Alireza Siadatan - Maryam Sepehrinour

Experimental Study and Implementation of a Generalized Predictive Controller on Delta Parallel Robot Based on Actuator Identification

Hasan Jalali - Behnam Moradkhani - Hossein Damavandi - Mehdi Tale Masouleh - Ahmad Kalhor

انتخاب آنتن در رادارهای چندورودی-چندخروجی با رویکرد یادگیری بانظارت در شبکه‌های عصبی کانولوشنی عمیق

مرضیه سادات میررفیع - ندا فرجی - ایاز قربانی

Low-power and Low-Phase Noise Gm-Boosted Differential CMOS LC Voltage Controlled Oscillator using Genetic Algorithm

Mohammad Jafar Hemmati - Sepehr Ebrahimi Mood

Radio frequency energy harvesting with multi band rectenna in GSM 1800, UMTS2100 and WiFi

Sahar Bayat - Zahra Bahrami - Asghar Keshtkar

Medical Ultrasound Image Restoration in Presence of Defective Transducer Elements

Mohammad Saeed Zare Dehabadi - Mehran Jahed

Security and Privacy Smart Contract Architecture for Energy Trading based on Blockchains

Masoumeh Nazari - Siavash Khorsandi - Jaber Babaki

Adaptive dynamic programming for kinematic control of 3 interconnected wheeled mobile robots

Aliakbar Ghasemzadeh - Roya Amjadifard - Ali Keymasi Khalaji

T-type L-2L De-Embedding Method for On-Wafer T-model Transmission Line Network

Milad Seyedi - Nasser Masoumi - Samad Sheikhaei

Optimized 5G-MMW Compact Yagi-Uda Antenna Based on Machine Learning Methodology

Alireza Jafarieh - Mahdi Nouri - Hamid Behroozi

بیشتر

ثمین همایش، سامانه مدیریت کنفرانس ها و جشنواره ها - نگارش 41.7.4