Electronic Circuits II Premium Lecture Notes, Prepared by Lavanya. Specially for Electronics and Communication Engineering. Syllabus Covered based on Anna University B.E Electronics and Communication Engineering
CHAPTER:
UNIT-1 Feedback amplifier (Pg.no 1-26)
UNIT-2 Oscillators (Pg.no 27-47)
UNIT-3 Tunned amplifier (Pg.no 48-86)
UNIT-4 Wave shapping and multivibrator circuits
UNIT-5 Blocking oscillators and time base generators
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UNIT-1
FEEDBACK AMPLIFIER
Types of feed back amplifier
Classification of amplifier
Voltage series
Current amplifier
Transconductance amplifier
Feedback connection
1. Sampling network
2. Feed back network
3. Mixed network
Transfer ratio
Four basic topologies
Voltage amplifier
Gain with feedback
Desensitivity of gain
Cut-off frequency with feedback
Lower cutoff frequency
Upper cutoff frequency
Current amplifier
Transresistance
Voltage shunt
Current shunt
Analysis of feedback amplifier
UNIT-2
OSCILLATORS
Barkhausen criterion
Classification of oscillators
1. Based on the output wave
2. Based on components
3. Based on range of frequency
Wein bridge oscillators
RC phase shift oscillators
RC phase using OPAMP
Hartley oscillators
Colpitts oscillators
Clapp oscillators
Problems
Armstrong oscillators
Pierce crystal oscillators
1. pierce crystal
2. miller crystal
UNIT-3
TUNED AMPLIFIER
Tuned circuits
Bandwidth
Series resonance circuit
Parallel resonance circuit
Capacitor couples single tuned amplifier
Problems
Stagger tuned
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