questions on electronics ?????

Discussion in 'General Electronics Chat' started by sunil_r_sp, May 19, 2007.

  1. sunil_r_sp

    Thread Starter Member

    Feb 18, 2007
    13
    0
    1) Why is opamp called a direct coupled (dc coupled) amplifier ?
    2) A normal voltage or curent amplifier provides power gain...then why do we go for power amplifiers for increased power ? cant we use a cascaded amplifier stage to achieve the required power ?
    3) How is the digital ground different from analog ground ?
    4) How is a cmos inverter an amplifier ?
     
  2. mozikluv

    AAC Fanatic!

    Jan 22, 2004
    1,437
    1
    have you gone thru the ebooks on this forum? check it out you have your answers there.:)

    moz
     
  3. Dave

    Retired Moderator

    Nov 17, 2003
    6,960
    145
    As a suggestion, why don't you give us what you think are the answers to these questions and we can help you from there. Learning on here is a two way process.

    Dave
     
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