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Recent content by qutang

  1. Q

    Can someone explain my op amp output?

    the offset of the amp can cause your out to vdd or vss.
  2. Q

    Generating the bias voltage of an op-amp

    Bandgap Reference to ashish_chauhan maybe you can add a cap. at vdd and output.
  3. Q

    How to design a bandgap by using only MOS?

    MOS bandgaps where is your circuits.
  4. Q

    DC-DC step down circuitry

    u can design it by yourself
  5. Q

    Problem with a very low gain of OTA

    about the ota's gain maybe your w/l is not in saturation
  6. Q

    a LDO quesiton,can someone explain?

    v2 is a load error.
  7. Q

    Opampl layout issues concerning Ptat

    layout let the two transistor connect together, let the current as transfer .
  8. Q

    Error Amplifier Design

    a good chapter.
  9. Q

    Generating the bias voltage of an op-amp

    Bandgap Reference why u are using a bandgap bias the opamp?
  10. Q

    Why the ppen loop gain of an opamp is expressed by this equation?

    Open Loop Gain this is a frequency dominant equation.
  11. Q

    Looking for a DC to DC converter for a charger

    DC DC converter yes , it's a boost. and the load is small, it will be easy.
  12. Q

    What's the difference between Gnd and Neutral?

    GND vs Neutral we using gnd as chip design .
  13. Q

    query about design Power supply

    see some book about ac/dc
  14. Q

    how supress off chip 0.1uF in on- chip LDO Voltage regulator

    how do you make your profile back to 0.1 your res net so low.
  15. Q

    how to use measure command in hspice for DC analysis

    see help of hspice
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