EC 2254 LINEAR INTEGRATED CIRCUITS Lecture Notes for ECE - Fourth (4th) Semester...


EC 2254 LINEAR INTEGRATED CIRCUITS Lecture Notes for ECE - Fourth (4th) Semester...

Posted by R.Anirudhan


EC2254 Lecture Notes 

Syllabus :


UNIT I IC FABRICATION AND CIRCUIT CONFIGURATION FOR LINEAR IC
Advantages of Ics over discrete components – Manufacturing process of monolithic Ics –
Construction of monolithic bipolar transistor – Monolithic diodes – Integrated Resistors –
Monolithic Capacitors – Inductors. Current mirror and current sources, Current sources
as active loads, Voltage sources, Voltage References, BJT Differential amplifier with
active loads, General operational amplifier stages -and internal circuit diagrams of IC
741, DC and AC performance characteristics, slew rate, Open and closed loop
configurations.

UNIT II APPLICATIONS OF OPERATIONAL AMPLIFIERS
Sign Changer, Scale Changer, Phase Shift Circuits, Voltage Follower, V-to-I and I-to-V
converters, adder, subtractor, Instrumentation amplifier, Integrator, Differentiator,
Logarithmic amplifier, Antilogarithmic amplifier, Comparators, Schmitt trigger, Precision
rectifier, peak detector, clipper and clamper, Low-pass, high-pass and band-pass
Butterworth filters.

UNIT III ANALOG MULTIPLIER AND PLL
Analog Multiplier using Emitter Coupled Transistor Pair - Gilbert Multiplier cell - Variable
transconductance technique, analog multiplier ICs and their applications, Operation of
the basic PLL, Closed loop analysis, Voltage controlled oscillator, Monolithic PLL IC 565,
application of PLL for AM detection, FM detection, FSK modulation and demodulation
and Frequency synthesizing.

UNIT IV ANALOG TO DIGITAL AND DIGITAL TO ANALOG CONVERTERS
Analog and Digital Data Conversions, D/A converter – specifications - weighted resistor
type, R-2R Ladder type, Voltage Mode and Current-Mode R  2R Ladder types -
switches for D/A converters, high speed sample-and-hold circuits, A/D Converters –
specifications - Flash type - Successive Approximation type - Single Slope type - Dual
Slope type - A/D Converter using Voltage-to-Time Conversion - Over-sampling A/D
Converters.

UNIT V WAVEFORM GENERATORS AND SPECIAL FUNCTION ICs
Sine-wave generators, Multivibrators and Triangular wave generator, Saw-tooth wave
generator, ICL8038 function generator, Timer IC 555, IC Voltage regulators - Three
terminal fixed and adjustable voltage regulators - IC 723 general purpose regulator -
Monolithic switching regulator, Switched capacitor filter IC MF10, Frequency to Voltage
and Voltage to Frequency converters, Audio Power amplifier, Video Amplifier, Isolation
Amplifier, Opto-couplers and fibre optic IC.



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