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Recent content by marinara27

  1. M

    a very2 basic question about power amplifier class B

    thank you so much.. i have another question.. can we relate the power dissipation value to calculate the efficiency? if can, how to relate it?
  2. M

    a very2 basic question about power amplifier class B

    abbey..how to measure efficiency using pspice? huu..
  3. M

    a very2 basic question about power amplifier class B

    do efficiency has relationship with power dissipation?
  4. M

    a very2 basic question about power amplifier class B

    if i want to analysis the performance of each classes of power amplifier, what type if performance should i determine/analysis?
  5. M

    HELP ME FIND THE EFFICIENCY..

    so how can i plot the efficiency? @FvM i do not understand "An efficiency measurement with a high impedance load actually doesn't make sense. Efficience is a power amplifier parameter. You have to connect a nominal load resistor and apply a resonable input voltage to determine it." can u...
  6. M

    HELP ME FIND THE EFFICIENCY..

    keith..i have already plot the graph of Pout and Pin separately in time domain.. can u please tell me how to measure the efficiency?
  7. M

    a very2 basic question about power amplifier class B

    betwixt... what about class AB? so sorry..im so confused.. right now im working on designing all this classes power amplifier circuit.. thanxs for your information.. :)
  8. M

    why my power amplifier cannot amplify?huhu..

    dear FvM.. i need to analyze the basic operation of power amplifier class B.. in your opinion..,can i just choose the class B part without combining the circuit with common emitter?
  9. M

    why my power amplifier cannot amplify?huhu..

    @keith @FvM actually, i am trying to compare the circuit performance on different classes of power amplifier.. i have try worked on different classes of power amplifier..yup,the circuit quasi complementary is provided by abbey.. my problem is i have designed the power amplifier of class b and...
  10. M

    common emitter amplifier

    However, I revisited your above push-pull-circuit and found, that it's working acceptable, if you actually connect the bias network. i do not understand the meaning "connect the bias network".. can u explain to me..so sorry...
  11. M

    why my power amplifier cannot amplify?huhu..

    @FvM Q4 wrong polarity..?so,my output of 1st stage must be connected to RC?
  12. M

    HELP ME FIND THE EFFICIENCY..

    thank you keith... working on this..
  13. M

    a very2 basic question about power amplifier class B

    hi all.. im running on simulation on different classes of power amplifier..im really confuse about this..in logical power amplifier amplify power right..? is it logic if power amplifier do not amplify voltage? for example, complementary quasi power amplifier? another question is, if...
  14. M

    why my power amplifier cannot amplify?huhu..

    please troubleshoot my circuit and o/put waveform..
  15. M

    common emitter amplifier

    thanxs for your concern FvM.. really appreciate it..

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