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  1. S

    Voltage divider bias

    I never wanted to be rude sir . That guy spoke unnecessary words stating that i would get fail grades and all. What bothers him whether i would fail or pass. I did not get angry because he cursed me that i would get fail grades . I got angry because he still did not tell the answer and he...
  2. S

    Voltage divider bias

    Ok let it be that i am a dumb. But i am sure that you dont know anything about electronics . You have till now blabbered some rubbish not answering to the point and simply finding fault in me. Actually the truth is you dont know the answer and you cleverly managed to escape by critisizing me ...
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    Voltage divider bias

    Ok i will follow conventional theory itself with water analogies. Could you please give me a water analogy for minority carriers, leakage current . If you give me this answer i'll surely follow conventional theory. I am not against conventional theory.In fact if i cant find a proper answer in...
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    Voltage divider bias

    I know how a voltage divider works without a transistor. But with a transistor i cant understand it. First of all you all cant understand my doubts.Since you cant understand it you tell that i dont know the basics. I know all the basics. Without knowing the basics i cant come all this way...
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    Voltage divider bias

    If you feel this difficult to explain,then atleast can any one suggest a very good referrence book or webiste which explains my doubt very well.
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    Voltage divider bias

    Please explain the concept of voltage divider . I cant understand how a resistance can provide bias. i.e how can it supply a positive voltage.
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    Voltage divider bias

    Ok according to you let electrons leave the base . I accept it . Now show it how can it flow . By referring my doubt in the post no:8
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    Voltage divider bias

    BOB S How are you? Long time no see. I'll start from transistor basics, Firstly there are holes in base and electrons in emitter.When the base emitter junction is forward biased, the holes from base diffuse into the emitter (i.e electrons in the valence band of the emitter fill the holes in...
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    Voltage divider bias

    Actually conventional flow is not reality, only electron flow is reality. I have clearly stated in the beginning the need for considering electrons.They are the one who sit in the holes of base and block the Vcc electrons from crossing the base and going into the collector. If you consider...
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    Voltage divider bias

    I am speaking only in terms of electron movement and not conventional current. The first thing should happen in any transistor is that , we have to draw electrons from the base . Then only collector electron current begins to flow from Vcc (-) to Vcc +. This does not happen. If you feel this...
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    Voltage divider bias

    In Voltage divider bias , we are not drawing any electrons from the base. Then how can the electron current pass through the base and go to the collector and reach the positive terminal. Only if You draw electrons from the base by maintaining the base at positive potential, then only the...
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    Faithful and unfaithful amplification

    OK you are saying that when the electrons flow from emitter to the collector, eventhough it flows easily (i.e attracted by collector) yet it suffers a voltage drop. That voltage drop only is Vce.OK done .But how is that its values are always are quite high like 10V. The electrons actually are...
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    Faithful and unfaithful amplification

    Thats what my doubt is.You have said there is a hidden resistance which dissipates power from the electrons.What is that hidden resistance .Please explain in the same way in terms of electron movement. I think now you would have understood my doubt. The electrons flow from emitter to base and...
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    Faithful and unfaithful amplification

    I think you are telling that there is a resistor inside the transistor . I can understand how the base current varies the collector current. But with that concept how can there be a resistor inside the transistor. The base current controls the collector current. I have already explained that...
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    Faithful and unfaithful amplification

    I AM not referring to the toy diagram i am referring to this one What you are saying is that the 20V gets dropped to 10v in a resistor above the collector and the current entering the collector has 10V so the remaining voltage will appear across the transistor.But who will drop the remaning...
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    Faithful and unfaithful amplification

    I just asked in a casual way.Why did you take it up seriously and so intense.Asking doubts is not wrong and moreover i asked only a small thing and not the entire electronics. What you are saying is that the 20V gets dropped to 10v in a resistor above the collector and the current entering...
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    NPN PNP OP-AMP Water analogies

    My humble request. Please forgive me berkeman. Even i dont like to study analogies but instead i want a indepth analysis in terms of electron movement of whats happening in all the solid state devices.But no website is explaining upto my expectations but simple keep on emphasising on the...
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    NPN PNP OP-AMP Water analogies

    there are many websites any specific one ? But in none of these they explain whatas happening inside these devices. THey only show the conventional direction, thats why i learnt the water analogies. If possible please give me a website which focusses on whats happening inside these devices...
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    Faithful and unfaithful amplification

    Ok DO you know the answer for my question or not. If so please type your answer for my question on what is Vce (physical meaning behind it , dont say its the voltage between collector and base as i know that but i dont know how can it be a dropped voltage )?? This is a very direct question...
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    Faithful and unfaithful amplification

    Could you explain how a loud speaker works with varying dc pulse travelling in the same direction with varying magnitude?? 2) Since you are telling that you are strong in vaccum tube triode , Could you explain how the two types of amplification (faithful and unfaithful) takes place in the...
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    Faithful and unfaithful amplification

    1 ) :confused:In the faithful amplification (please dont mind the term i am using it) the output is alternating only in magnitude but still flowing in the same direction. But in the working of a loud speaker, it has been mentioned that the alternating current flows in to the coil inside the...
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    NPN PNP OP-AMP Water analogies

    How can the collector emitter door open when the base emitter door opens. I thought that if you pull the rope on one side of the pulley the rope on your side goes down and on the other side it moves up. Similarly here if the base emitter door is opened the rope connected to it moves up and the...
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    Faithful and unfaithful amplification

    FAITHFUL AMPLIFICATION-The process of raising the strength of a weak signal without any change in its general shape i.e amplifying both the half cycles of a signal is called Faithful amplification. UNFAITHFUL AMPLIFICATION- The process in which we get an amplified output of the signal with...
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    NPN PNP OP-AMP Water analogies

    Berkeman I am going to enter into engineering. Why i am specific about water analogies is that i want to know how transistor amplifies current i.e how the electrons flow inside the transistor and cause amplification when signal is applied.No book is offering what i require and they keep on...
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    NPN PNP OP-AMP Water analogies

    i have posted the pnp npn and op-amp water analogies. Could someone explain me pnp and op-amp water analogies.I have understood the npn water analogies but i have many doubts in it which i will ask after i understand pnp and op-amp water analogies. eventhough the explanation is given in the...
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    Faithful and unfaithful amplification

    I have somehow managed to learn unfaithful amplification from this book. http://books.google.co.in/books?id=CKTS6BzQqm8C&pg=PA226&dq=transistor+amplifier&lr=&ei=uBUtS_L2N6K-lASzxqmtAw&cd=6#v=onepage&q=transistor%20amplifier&f=false [Broken] The book has very beautifully explained the...
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    Transistor AMPLifier HelP

    Ahhhh!!! BoBS you always came to my rescue right from the beginning i joined PF. 1)What is V2 and V1 in the figure? 2)Also you have marked 4 volts to the base,but actually the 4 volts gets dropped and the electrons have 8 volts (12-4) remaining at the base. 3)You have calculated the...
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    Transistor AMPLifier HelP

    How does collector current depend upon the base current? I want a clear explanation on this on the basis of electron motion. What is BE voltage and CE voltage?IS it the barrier voltage? If it is so since BE is forward biased the barrier potential disappears then where does the .7 volts...
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    Transistor AMPLifier HelP

    to be frank i cant understand ur circuit basically i cant understand voltage divider bias plz what ever circuit u show me can u plz mark me the electron movement in this circuit i have many questions 1)plz can u mark direction of electron flow 2)the circuit is open how can current of...
  30. S

    Transistor AMPLifier HelP

    i have a serious doubt about biasing a pn diode and npn transistor first i'll mention about pn diode biasing the basic doubt i have in pn diode is that during forward bias + is connected to P and - is connected to N (+terminal -terminal) what i read in hyperphysics is that the electrons in...
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