Multivibrators - NCATT

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Adjusting R6Symmetry AdjustQ2C3
Astable Multivibrator• Adjusting R 6to the right decreases the RC timeconstant for C 4and increases the RC time constantfor C 3. The astable multivibrator will produce arectangular output because Q 2conducts less and Q 1conducts longer. This will not effect the circuit PRTbecause the overall RC time constant was notchanged. Adjusting R6 to the left will have theopposite effect.
Page 1 and 2: MultivibratorsChapter 3
Page 3 and 4: Square Waveform
Page 5 and 6: Square Wave with Transient Interval
Page 7 and 8: WAVEFORMS• Pulse time- 1 alternat
Page 9 and 10: WAVEFORMS• Pulse width- the durat
Page 11 and 12: ASTABLE MULTIVIBRATOR• PURPOSE -
Page 13 and 14: Astable Multivibrator•Q1 AND Q2-
Page 15 and 16: Q1 ConductingC3 discharges through
Page 17 and 18: Q1Outputs180° out ofphaseQ2
Page 19: Astable Multivibrator• Increasing
Page 23 and 24: Monostable Multivibrator
Page 25 and 26: Monostable Multivibrator•R3, R4,
Page 27 and 28: A positive trigger will cause Q1 to
Page 29 and 30: The discharge of C1 through R2 dete
Page 31: If the value of R2 increases, then
Page 34 and 35: BISTABLE MULTIVIBRATOR• Requires
Page 36 and 37: BISTABLE MULTIVIBRATOR• C1 and C2
Page 38 and 39: Negative input trigger cuts Q1 off,
Page 40 and 41: Bistable MultivibratorTwo input tri
Page 42 and 43: MULTIVIBRATORSAPPRAISALS
Page 44 and 45: 2. What type of output waveform is
Page 46 and 47: 4. What is the discharge path for c
Page 48 and 49: 6. In the astable multivibrator, mo
Page 50 and 51: 8. The monostable multivibrator out
Page 52 and 53: 10. The discharge pathfor capacitor
Page 54 and 55: 12. If the resistance of R2 is decr
Page 56 and 57: 14. If the positive alternation of
Page 58 and 59: 16. If the input PRF to the bistabl
Page 60: The End

Multivibrators - NCATT

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