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ECE 313ECE 313
Microelectronic CircuitsMicroelectronic Circuits– 4th edition4th edition
Sedra & SmithSedra & Smith
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Chapter 1Chapter 1Introduction to ElectronicsIntroduction to Electronics
SignalsSignals Frequency Spectrum of SignalsFrequency Spectrum of Signals
– Fourier series/transformFourier series/transform Analog and Digital SignalsAnalog and Digital Signals
– continuous vs. discrete amplitudescontinuous vs. discrete amplitudes
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AmplifiersAmplifiers
– Signal amplification : linear, nonlinear Signal amplification : linear, nonlinear preamplifierspreamplifiers
– Amplifier Circuit SymbolAmplifier Circuit Symbol– Voltage GainVoltage Gain– Power Gain, Current GainPower Gain, Current Gain– dBdB– Power suppliesPower supplies
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Amplifier SaturationAmplifier Saturation
linear - linear - except for except for output output saturationsaturation
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Nonlinear TransferNonlinear Transfer
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Biasing - for linear operationBiasing - for linear operation
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Circuit Models for AmplifiersCircuit Models for Amplifiers
Voltage amplifiersVoltage amplifiers Current amplifiersCurrent amplifiers Transconductance amplifiersTransconductance amplifiers Transresistance amplifiersTransresistance amplifiers
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BJTBJT
EmitterEmitter
BaseBase
CollectorCollector
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Frequency Response of Frequency Response of AmplifiersAmplifiers
Transfer functionTransfer function Amplifier bandwidthAmplifier bandwidth Evaluating frequency responseEvaluating frequency response Single-time-constant (STC) networksSingle-time-constant (STC) networks
– low pass (LP)low pass (LP)– high pass (HP)high pass (HP)
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STC - low passSTC - low pass
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STC - high passSTC - high pass
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Amplifier Classification based Amplifier Classification based on FREQUENCY RESPONSEon FREQUENCY RESPONSE
ac amplifierac amplifier dc amplifier (low pass amplifier); ICdc amplifier (low pass amplifier); IC bandpass amplifierbandpass amplifier
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DIGITAL LOGIC INVERTERDIGITAL LOGIC INVERTER
VTCVTC Noise MarginsNoise Margins
– low input ; high inputlow input ; high input The ideal VTCThe ideal VTC Inverter ImplementationInverter Implementation Power dissipation in VLSIPower dissipation in VLSI Propagation delayPropagation delay