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SIMULATION OF AMPLIFIERS USING NGSPICE

TECHNICAL WORKSHOP MARATHON 2012. SIMULATION OF AMPLIFIERS USING NGSPICE. VISHNU V 2 nd Year M.Tech VLSI and Embedded Systems Govt. Model Engineering College, Thrikkakara. ANALYSIS OF AMPLIFIERS USING NGSPICE. CONSIDER THE AMPLIFIER SHOWN IN FIGURE. 2. MODEL DESCRIPTION OF TRANSISTOR.

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SIMULATION OF AMPLIFIERS USING NGSPICE

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  1. TECHNICAL WORKSHOP MARATHON 2012 SIMULATION OF AMPLIFIERS USING NGSPICE VISHNU V 2nd Year M.Tech VLSI and Embedded Systems Govt. Model Engineering College, Thrikkakara

  2. ANALYSIS OF AMPLIFIERS USING NGSPICE CONSIDER THE AMPLIFIER SHOWN IN FIGURE 2

  3. MODEL DESCRIPTION OF TRANSISTOR MODEL NAME MODEL TYPE .MODEL GENERICNPN Q1 C BE GENERIC

  4. WHAT IS THE NEED OF COUPLING CAPACITORS IN AN AMPLIFIER ???

  5. NEED OF COUPLING CAPACITORS C OUTPUT NODE B E

  6. NEED OF COUPLING CAPACITORS C OUTPUT NODE B E

  7. WHAT ARE THE WAVEFORMS AT BASE NODE AND COLLECTOR NODE ???

  8. NEED OF COUPLING CAPACITORS WAVEFORM AT BASE NODE AND COLLECTOR NODE OUTPUT (COLLECTOR) INPUT (BASE)

  9. NEED OF COUPLING CAPACITORS WAVEFORM AT BASE NODE AND OUTPUT NODE INPUT (BASE) OUTPUT

  10. AFTER ADDING INPUT COUPLING CAPACITOR C OUTPUT NODE B E

  11. INPUT VOLTAGE

  12. VOLTAGE AT BASE NODE

  13. VOLTAGE AT COLLECTOR NODE

  14. OUTPUT NODE VOLTAGE

  15. EFFECT OF BYPASS CAPACITOR BYPASS CAPACITOR

  16. FREQUENCY RESPONSE PLOT WITH BYPASS CAPACITOR

  17. FREQUENCY RESPONSE PLOT WITHOUT BYPASS CAPACITOR

  18. ANALYSE BOTH FREQUENCY RESPONSE PLOTS AND MAKE CONCLUSIONS

  19. ANALYSIS OF BJT AMPLIFIERS ANALYSE THE FOLLOWING CIRCUIT USING NGSPICE

  20. PLOT THE FREQUENCY RESPONSE PLOTS FOR THE CIRCUIT WITH AND WITHOUT Rce RESISTANCE

  21. DESIGN A COMMON EMITTER AMPLIFIER FOR THE GIVEN SPECIFICATIONS AND PLOT ITS TRANSIENT AND AC RESPONSE USING NGSPICE ?? (Use Circuit in ELECTRONIC CIRCUITS Lab)

  22. DESIGN COMMON BASE AMPLIFIER AND COMMON COLLECTOR AMPLIFIERFOR THE GIVEN CONFIGURATIONS AND PLOT ITS TRANSIENT AND AC RESPONSE USING NGSPICE AND COMPARE THE OUTPUTS (Use Circuit in ELECTRONIC CIRCUITS Lab)

  23. MOS AMPLIFIERS DIFFERENT TYPES OF MOS AMPLIFIERS COMMON SOURCE AMPLIFIER COMMON GATE AMPLIFIER COMMON DRAIN AMPLIFIER

  24. MODEL DESCRIPTION OF MOSFET MODEL TYPE MODEL NAME .MODEL MOS1 NMOS M1 DGS B MOS1 W=22.0U L=0.6U SCALING PARAMETERS

  25. MODEL DESCRIPTION OF MOSFET CONSIDERING ALL THE PARAMETERS .MODEL MOS1 NMOS VTO=0.7 GAMMA=0.5 LAMBDA=0.1 PHI=0.8 CGBO=0.38E-9 CGDO=0.4E-9 CGSO=0.4E-9 CJ=0.57E-3 CJSW=0.12E-9 TOX=9.5E-9 UO=460 LD=0.08E-6 JS=10E-9 MJ=0.5 MJSW=0.4 PB = 0.9

  26. COMMON SOURCE AMPLIFIER PLOT THE TRANSIENT RESPONSE AND FREQUENCY RESPONSE OF THE FOLLOWING AMPLIFIER USING NGSPICE

  27. OUTPUT WAVEFORMS – TRANSIENT RESPONSE

  28. FREQUENCY RESPONSE

  29. FREQUENCY RESPONSE WITHOUT BYPASS(CS) CAPACITOR

  30. DC ANALYSIS CONTROL LINE O/P CHARACTERISTICS OF MOSFET DC VDS 0 5 0.2 VGS 1 4 1 PLOT -vds#branch vs V(2)

  31. TRANSFER CHARACTERISTICS

  32. LAB SESSION EXPERIMENTS LOW PASS AND HIGH PASS FREQUENCY RESPONSE DC ANALYSIS OF CE, CB and CC CONFIGURATIONS PLOT TRANSIENT AND FREQUENCY RESPONE OF - CE, CB and CC AMPLIFIERS - CS, CG and CD AMPLIFIERS EXPERIMENTS IN ELECTRONIC CIRCUITS LAB RECORD

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