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Recent content by sina25

  1. S

    About overshoot of the bandgap reference

    What do you refer to overshoot to? Please, explain me. Thanks
  2. S

    What is Analog ICs design automation?

    I need information about Analog ICs design automation. What is Analog ICs design automation? What ways are there for making the automation? thanks in advance
  3. S

    How to check stability of a circuit in HSPICE?

    I need to check the stability of a circuit in HSPICE. How do I do the simulations for checking the stability of my circuit? Do I have to break the loop? or Could I do the AC analysis of the circuit without breaking the loop? For getting the phase and gain margin do I have to break the loop...
  4. S

    What is the difference between DC-DC converter and voltage regulators and reference?

    Re: power management what is the difference between DC-DC converter and voltage regulators and voltage references? thanks
  5. S

    What is the difference between DC-DC converter and voltage regulators and reference?

    what is a DC-DC converter? what is a voltage regulator? what is a voltage reference? if you could upload a figure showing a power management system i would appreciate you........ thanks
  6. S

    Why a high gain opamp with negative feedback is needed in a bandgap reference source?

    Re: OPAMP *********************************************************************************************************************** IN THIS CIRCUIT PLEASE SHOW: vin, vout, G and H THANKS
  7. S

    How does the opamp gain affect the temperature coefficient?

    opamp bandgap how does the opamp gain affect the temperature coefficient (TC)?, in a bandgap reference source that use an OPAMP to ensure two nodes have the same voltage thanks
  8. S

    What is mismatch?, and what is tolerance?

    thanks MSSN and Miguel Gaspar. I already understand ........ do you have papers, books or some document, where i can get the information that we discussed?, i need bibliographic references of this information............ please upload them thanks in advance
  9. S

    What is mismatch?, and what is tolerance?

    Is the difference between the tolerance values of two devices (resistors) in the same chip THE MISMATCH? (Tolerance of R1) - (Tolerance of R2) = Mismatch between R1 y R2 thanks
  10. S

    What is mismatch?, and what is tolerance?

    what is mismatch What is mismatch?, What is tolerance? what is the difference between mismatch and tolerance? thanks
  11. S

    The difference between positive and negative feedback

    Re: Opamp vicky said: Connecting the output of an op-amp to its inverting (-) input is called negative feedback. This term can be broadly applied to any dynamic system where the output signal is "fed back" to the input somehow so as to reach a point of equilibrium (balance). Does the point...
  12. S

    What is an error amplifier?

    What is an error amplifier? and What is an error-amplifier-based current mirror? thanks
  13. S

    How to do the noise analysis about Bandgap circuit?

    ldo band gap noise analysis jcpu, if the temperature changes, the difference between V+ and V- change?, and why? thanks
  14. S

    what is effective impedance?

    How could i get the EXACT EFFECTIVE IMPEDANCE from the reference to the ground node of this bandgap reference?; and how could i get the EXACT EFFECTIVE IMPEDANCE from the reference to the input supply voltage of this bandgap reference?
  15. S

    what is effective impedance?

    How could i get the effective impedance from the reference to the ground node of this bandgap reference?; and how could i get the effective impedance from the reference to the input supply voltage of this bandgap reference? Is exactly the effective impedance from the reference to the ground...

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