Electronics Devices & Circuits | Analog Devices & Circuits | 3rd Semester | 2nd Year | KIIT UNIVERSITY

Total Package of Electronic Devices and Circuits | Analog Devices and Circuits | Analog Electronics and Circuits notes especially for KIIT students. ................................ #NOTE FOR DOWNLOAD:: After downloading there maybe an error in ...See more

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Total Package of Electronic Devices and Circuits | Analog Devices and Circuits | Analog Electronics and Circuits notes especially for KIIT students. ................................ #NOTE FOR DOWNLOAD:: After downloading there maybe an error in opening pdf's. Go to the file location and rename the pdf and give the extension part i.e. ' .pdf ' .
Complete notes on Fundamentals of Electronic Circuit Design
MODULE-I Diode circuit: Load line concept, clipping circuits, comparators, sampling gate, rectifiers, capacitive filters, additional diode circuit. Transistor: the junction transistor, transistor as an amplifier, transistor construction, the CE configuration, the CB configuration, the CE cut-off and saturation region, common emitter current gain, the common collector configuration, analytical expression for transistor characteristics, the phototransistor. Transistor at low frequency: Graphical analysis of the CE model, two-port model and hybrid model, transistor hybrid model, the h-parameter, analysis of transistor amplifier circuit using hparameter, the emitter follower, miller’s theorem and its duality, cascading transistor amplifiers, simplified CE and CC configuration. MODULE-II (10 Lectures) Junction FET and its V-I characteristics, FET small signal model, FET biasing, MOSFET, FET as a voltage-variable resistor (VVR), CD amplifier, the hybrid-pi CE transistor model, hybrid-pi conductance and capacitance, validity of hybrid-pi model, variation of hybrid-pi parameters, the CE short-circuit current gain, current gain with resistive load, single stage CE transistor amplifier response, emitter follower at high frequency. Classification of amplifier, distortion in amplifier, frequency response of amplifier, bode plots, step response of amplifier, band pass of cascade stages, the RC coupled amplifier, high frequency response of two cascaded CE transistor stages. MODULE-III (10 Lectures) Classification of amplifier, feedback concept, transfer gain, negative feedback, input-output resistance, method of analysis of a feedback amplifier, voltage- series, voltage-shunt, currentseries and current shunt feedback, effect of feedback on bandwidth, double and three pole transfer function with feedback, approximation analysis of multi-pole feedback, voltage-series, voltage-shunt, current- series and current-shunt frequency response, stability, gain and phase margin, compensation, different type of oscillator, frequency stability. MODULE-IV (10 Lectures) The basic operational amplifier (OPAMP), differential amplifier and its transfer characteristics, emitter coupled differential amplifier, IC-OPAMP, offset error voltage and current, temperature drift of input offset voltage and current, measurement of OPAMP parameter and its frequency response, different type of OPAMP compensation and its step response. Basic OPAMP application, differential DC amplifier, AC amplifier, analog integrator and differentiator, active filter, resonant band-pass filter, delay equalizer, comparators, sample-hold circuit, AC/DC convertors, logarithmic amplifier, Schmitt trigger, ECL, TTL and 555-timer.
Description............................................................................................................................................1 Table of Contents.................................................................................................................................2 1. Driving a MOSFET ...........................................................................................................................3 1.1. Gate drive vs. base drive.................................................................................................................... 3 1.2. MOSFET characteristics ...................................................................................................................... 3 1.2.1. Gate charge ...........................................................................................................................................4 1.2.2. Calculating MOSFET gate charge .......................................................................................................4 1.2.3. Gate charging mechanism...................................................................................................................5 1.3. Gate drive power ................................................................................................................................. 6 2. Example of a MOSFET gate drive circuit ......................................................................................8 2.1. Basic drive circuit................................................................................................................................. 8 2.2. Logic drive............................................................................................................................................. 8 2.3. Drive voltage conversion.................................................................................................................... 9 2.4. High-side drive from a half or full bridge ...................................................................................... 10 2.4.1. Using a high-voltage device and a bootstrap circuit (e.g., high-voltage IC) ............................10 2.4.2. Pulse transformer drive (insulated switching) ...............................................................................10 2.4.3. Using a photocoupler and a floating power supply.......................................................................11 3. Power supply for the MOSFET drive circuit................................................................................12 3.1. Transformer-isolated power supply................................................................................................ 12 3.2. Bootstrap circuit................................................................................................................................. 12 3.3. Charge pump...................................................................................................................................... 13 4. Considerations for the MOSFET drive circuit....................................................................................14 4.1. Considerations for the gate voltage VGS conditions............................................................................. 14 4.2. Gate voltage, peak current and drive loss .................................................................................... 15 4.3. Gate resistors and switching characteristics................................................................................. 15 4.4. Considerations for gate drive .......................................................................................................... 17 4.4.1. Protection against gate-emitter surge voltage ..............................................................................17 4.4.2. Optimal gate resistor..........................................................................................................................17 4.4.3. Gate malfunction prevention ............................................................................................................18 RESTRICTIONS ON PRODUCT USE..........
General Feedback Structure • Properties of negative feedback • Basic feedback Topologies • Feedback Amplifiers • Series-Shunt,Shunt-shunt,Series-Series,Shunt-series Feedback • Determining the Loop Gain • Stability Problem • Nyquist plot  Effect of Feedback on amplifier poles –Frequency Compensation
Oscillator - Introduction - Resonance - Hartley Oscillator - Colpitts Oscillator - RC Oscillator
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