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voltage divider bias

Discussion in 'Electronic Basics' started by rLet, Mar 10, 2006.

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  1. rLet

    rLet Guest

    the thing is that i dont really know how to start. i need to design
    this small signal amplifier in a voltage divider biasing. im using a
    bc547 transistor and with these i need to write a dicussion and show my
    prof the load line of my circuit. is there anyone from the PHILS that
    could help me. thanks!
     
  2. The answer should be in your textbook. Pick a collector current (low for
    small signal amplifier; one mA or so). Pick an emitter resistor that drops
    about 10% of the supply voltage using your collector current. Make the
    bottom base resistor 10 to 20 times larger and pick the other resistor to
    set the base voltage at 0.7 volts above the emitter voltage. Pick a
    collector resistor to drop half of the supply voltage.
     
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