emitter bypass capacitor

Discussion in 'Homework Help' started by kvsingh21, Apr 27, 2008.

  1. kvsingh21

    Thread Starter Active Member

    Apr 15, 2008
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    What kind of filter does it give, and what is the resistance values we consider to calculate it?
     
  2. Audioguru

    AAC Fanatic!

    Dec 20, 2007
    9,418
    903
    Like any other RC filter its effect is calculated as 1 divided by pi times R times C.
    It creates a highpass filter. High frequencies have full gain and low frequencies and DC have a lower gain.
     
  3. kvsingh21

    Thread Starter Active Member

    Apr 15, 2008
    63
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    Thanks for the reply. What resistance value do we actually use to calculate the capacitor value?
    For eg say from the below circuit
    [​IMG]
     
  4. JoeJester

    AAC Fanatic!

    Apr 26, 2005
    3,663
    1,530
    My eyes must be real bad. That schematic doesn't have an Emitter bypass capacitor.
     
  5. kvsingh21

    Thread Starter Active Member

    Apr 15, 2008
    63
    0
    I know.
    I want to add it, but i dont know what resistor value to use to calculate it.
    Btw lower cutoff frequency is 4oHz, and Upper cutoff is 1MHz.
     
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