## Linear Integrated CircuitsDifferential and Cascode AmplifiersDifferential 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.Operational AmplifiersBlock 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 and non inverting. Practical op-amp : Input offset voltage, Input bias current, Input offset current, total output offset voltage, Thermal drift, Effect 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-ampsBlock diagram representation of feedback configuration, 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-ampFrequency response, Compensating networks, Frequency response of internally compensated op-amps, Frequency response of non-compensated op-amps, Closed loop frequency response, Slew rate, Causes of slew rate and its effect on applications.Applications of Op-ampDC and AC amplifiers, Peaking amp, Summing, Scaling and averaging amp, Instrumentation amplifier, V to I and I 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, Precision rectifiers.Specialized IC Applications : 555 TimerPin configuration, Block diagram, application of 555 as monostable and astable multivibrator.Phase Lock Loops Operating principles and applications of 565PLL.Voltage RegulatorsFixed voltage regulators, Adjustable voltage regulators, Switching regulators. |

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### Contents

Chapter 1 Differential and Cascode Amplifiers 11to1 | 1-1 |

Chapter9 Specialised 1C Applications 555 Timer 9 1 to 9 | 1-9 |

Chapter10 Phase Locketl loop 101 to 10 30 | 1-10 |

y yfc 11 1 to 11 | 1-11 |

Chapter 2 Introduction to Operational Amplifiers 21 to 2 58 | 2-2 |

Chapter 5 Applications of Opamp 51 to 5 134 | 5-134 |

Chapter 6 Nonlinear Applications of Opamp 61to658 | 6-6 |

Review Questions 3 | 6-58 |

111 It iK4 | 10-4 |

Chapter 10 Phase Locked Loop 101101030 | 10-10 |

Chapter8 Analog to Digital and Digitalto Analog Converters 8 1 to 8 | 11-8 |

Chapter 1 1 Voltage Regulators 111 to 11 44 | A-11 |

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### Common terms and phrases

analog applied bandwidth basic block diagram Butterworth filter called capacitor circuit diagram circuit is shown closed loop CMRR collector comparator configuration converter current mirror differential amplifier diode dual input duty cycle emitter equation frequency response Hence high pass ideal input and output input bias current input offset current input offset voltage input resistance input signal input terminals input voltage instrumentation amplifier inverting amplifier Key Point Linear Integrated Circuits load loop gain maximum negative node noninverting amplifier op-amp Operational Amplifiers oscillator output differential amplifier output offset voltage output resistance output voltage output waveforms parameters phase detector phase shift practical pulse range resistor saturation schmitt trigger slew rate Solution square wave stage supply voltage temperature transistor voltage gain Vref Vsat waveform zero