Optical amplifier

Comparator 1Pedapudi Satish Babu,2N.V.Lalitha 1M.tech student, india, p.satish605@gmail.com. Assistant proferssor,india,lalitha.nv@gmail.com. Abstract: A new CMOS clocked dynamic comparator using two input single output differential amplifier as latch stage suitable for high speed analog to digital converters with the performance of high speed, low power dissipation and low immune to noise. The conventional dynamic comparator requires more power and has more delay. A conventional double

transistors and thus the circuit area is small. Two stage open loop comparator is presented using 50nm CMOS technology.  “Design of 3-bit low power flash type ADC” Sarojini Mandal, Dr. J.K. Das [60] ; define that Simple two stage op-amp with miller capacitance can be used as a high gain comparator. It is simulated in 180nm technology using Cadance Virtuso analog design environment simulation. The op-amp uses a 1.8v Vdd and a 1.8v Vss and consumes power of around 0.9mw. The analog output of each

double poly double metal process. Basic aim of chip is to find out magnitude of interference happening when analog and digital circuit is placed nearby on a common substrate. An instrumentation amplifier with high CMRR is also designed for noise sensing. MOSFET capacitors at the input of instrumentation amplifier are used for the picking of substrate interference. The test chip dimension are 3mm4mm, the periphery is formed by 26 digital input pads with 2 digital supply pads, 20 analog pads and 2 analog

curtailed supply currents. The only way to make the operational amplifier survive the trend towards lower supply voltages without weakening its characteristics, is by developing very efficient operational amplifier topologies that combine low voltage and low power operation and be as simple as possible to save die area, in its contemporary sense. In this thesis, we design and analyses different design approach of operational amplifier circuits using power gating technique and MTCMOS leakage reduction

Review for final 1. What is the device that allows AC to pass through an amplifier circuit while blocking DC? a. Regulator capacitor b. Coupling capacitor c. Rheostat d. Diode 2. Which amplifier has the BJT as the most commonly used amplifier? a. CC b. CB c. CE d. Op-amp 3. How do we determine the voltage gain of the common-emitter amplifier? a. Divide the AC collector resistance by the AC emitter resistance b. Divide the AC collector resistance by the AC base resistance c. Divide the AC emitter

LM2907/LM2917 Frequency to Voltage Converter June 2000 LM2907/LM2917 Frequency to Voltage Converter General Description The LM2907, LM2917 series are monolithic frequency to voltage converters with a high gain op amp/comparator designed to operate a relay, lamp, or other load when the input frequency reaches or exceeds a selected rate. The tachometer uses a charge pump technique and offers frequency doubling for low ripple, full input protection in two versions (LM2907-8, LM2917-8) and its

Chapter 3 : Literature Review Oscillation is basic thing for generate various signal which is required in Function generator. 3.1 Oscillation : 3.1.1 Type of Oscillators Based on Nature Sinusoidal – RC phase shift oscillator, Wien Bridge,Hartley,Colpitts and clap . Non Sinusoidal – Multivibrators and UJT relaxation oscillators . 3.1.2 Type of Oscillators Based on Component RC Oscillators – Phase shift Oscillator , Wien Bridge Oscillator , UJT relaxation Oscillator . LC Oscillators – Hartley

A Novel Design of a Double Tail Comparator . P. satish babu/M.Tech student Department of ECE VLSI&ES Machilipatnam, India p.satish605@gmail.com Abstract :A new CMOS clocked dynamic comparator using two input single output differential amplifier as latch stage suitable for high speed analog to digital converters with the performance of high speed, low power dissipation and low immune to noise. The conventional dynamic comparator requires more power and has more delay. A conventional double tail

Abstract - Operational amplifiers (Op-Amps) are basic building blocks of a wide range of analog and mixed signal systems. Basically, Op-Amps are voltage amplifiers used for achieving high gain by applying differential inputs. As CMOS technology is most suitable for realizing VLSI system, it leads to continues trend in scaling down the size of transistor. Hence, reduced power dissipation is one of the challenges in front of most of designers. However, Power dissipation can be reduced by reducing either

® CA3140, CA3140A Data Sheet February 10, 2005 FN957.9 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output The CA3140A and CA3140 are integrated circuit operational amplifiers that combine the advantages of high voltage PMOS transistors with high voltage bipolar transistors on a single monolithic chip. The CA3140A and CA3140 BiMOS operational amplifiers feature gate protected MOSFET (PMOS) transistors in the input circuit to provide very high input impedance, very low input