Oscillators

UNIT – V

Chapter – 10

(b) Oscillators

Syllabus

Positive feedback - Condition for oscillations, Phase shift - Wien bridge, Hartley, Colpitts and crystal oscillators.

Contents

10.1 Introduction … 10-2

10.2 Positive Feedback and Oscillators …. 10-2

10.3 Barkhausen Criterion for Oscillators …. 10-3

10.4 Classification of Oscillators ….. 10-4

10.5 RC Phase Shift Oscillator         ….. 10-4

May-06, 11, 14, 16, 17, Dec.-ll, 12,14, 16, 17, 18, Harks 15

10.6 Wien Bridge Oscillator ……. 10-11

May-03, 04, 05, Dec.-03, 04, 15, 16, 17, Marks 16

10.7 LC Oscillators …. 10-15

10.8 A General Form of LC Oscillator Circuit.... 10 -16

10.9 Hartley Oscillator ….. 10-18

May-04, 10, 13, 17, Dec.-10, 11, 12, 13, 14, Marks 16

10.10 Colpitt's Oscillator …..  10-22

Dec.-04, 09, 17, 18, May-15, 16, Marks 16

10.11 Clapp Oscillator …. 10-25

Dec.-03, Marks 8

10.12 Frequency Stability of Oscillator …… 10-26

10.13 Crystal Oscillators         ……. 10-27

Dec.-O3, May-11, 12, 14, Marks 12

10.14 Two Marks Questions with Answers         10-31

10.15 University Questions with Answers

(Long Answered Questions) ….. 10-35