DIFFERENTIAL AND CASCODE AMPLIFIERS: Introduction, Differential Amplifier,
Differential Amplifier Circuit Configuration, Dual Input-Balanced output Differential Amplifier,
Dual Input-Unbalanced output Differential Amplifier, Single Input-Balanced output Differential
Amplifier, Single Input-unbalanced output Differential Amplifier with their DC and AC analysis,
Differential Amplifier with swamping resistors, Constant current bias, Current Mirror,
Cascaded differential Amplifier Stages, Level Translator, CE-CB configuration.
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NTRODUCTION TO OPERATIONAL AMPLIFIERS: Block diagram of a typical Op-Amp,
Schematic symbol, integrated circuits and their types, IC package types, Pin Identification
and temperature range, Interpretation of data sheets, Overview of typical set of data sheets,
Characteristics and performance parameters of and Op-Amp, Ideal Op-Amp, Equivalent
circuit of an Op-Amp, Ideal voltage transfer curve, Open loop configurations : Differential,
Inverting & Non Inverting. Practical Op-Amp: Input offset voltage, Input bias current, Input
offset current, total output offset voltage, Thermal drift, Effcet of variation in power supply
voltages on offset voltage, Change in Input offset voltage and Input offset current with time,
Temperature and supply voltage sensitive parameters, Noise, Common Mode configuration
and common mode rejection Ratio.
NEGATIVE FEEDBACK IN OP-AMPS: Block diagram representation of feedback
configurations, Voltage-series feedback Amplifier, Voltage shunt feedback amplifier,
Differential amplifiers with one op-amp, two op-amps and three op-amps.
FREQUENCY RESPONSE OF AN OP-AMP: Frequency response, Compensating Networks,
Frequency response of Internally compensated Op-Amps, Frequency response of Noncompensated
Op-amps, Closed loop frequency response, Slew rate, causes of slew rate and
its effect on applications
APLICATIONS OF OP-AMP: DC and AC amplifiers, Peaking Amp, Summing, Scaling and
Averaging Amp, Instrumentation Amplifier, V to I and I and to V converter, Log and Antilog
Amp, Integrator, Differentiator. Active filters: First order LP Butterworth filter, Second order
LP Butterworth filter, First order HP Butterworth filter, Second order HP Butterworth filter,
Higher order filters, Band pass filter, Band reject filters, All pass filter, Phase shift oscillator,
Wein bridge oscillator, Quadrature oscillator, Square wave generator, Triangular wave
generator, Sawtooth wave generator, Voltage controlled oscillator, Basic comparator, Zero
crossing detector, Schmitt trigger, window detector, V to F and F to V converters, A to D and
D to A converters, Peak Detector, Sample and Hold Circuit.
SPECIALIZED IC APPLICATIONS: 555 Timer: Pin configuration, Block diagram, application
of 555 as Monostable and Astable Multivibrator.
Phase Lock Loops: Operating principles & applications of 565PLL
Voltage Regulators: Fixed voltage regulators, Adjustable voltage regulators, Switching
Regulators.