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Recent content by al_valaee

  1. A

    sigma delta for audio applications - calculating SNDR

    Re: sigma delta SNDR It's better to calculate SNDR at these frequencies: Fin=31*Fs/64, 15*Fs/64, ..., (2^n)-1/64. Denominator should be power of 2.
  2. A

    Can somebody provide papers about mos switch resistance

    in this paper you can find switch bootstrapping method.
  3. A

    Can somebody provide papers about mos switch resistance

    in this paper you can find switch bootstrpping method .
  4. A

    What's the relationship between Vth and L valued in a MOS transistor?

    Re: vth dependence Hi you can find it in "analysis and design of analog integerated circuts"by gray,hursr,lewis,meyer
  5. A

    4x4 matrix keyboard code

    matrix keyboard c code Hi here is a code . it is written with codevision avr . it uses external interrupts to detect which key is pressed .
  6. A

    What is saturation region and saturation point?

    Re: saturation no. transistor is in saturatin when be an cb junctions are forward bias and it's independent of ce junction . in saturation voltage across ce junction is less than 0.2 volt.
  7. A

    Crystal or Crystal Oscillator

    i believe that pic is better and more stable.
  8. A

    Looking for resources on BASCOM AVR

    Re: BASCOM AVR hi i think this book is usefull "novices guide to avr development",atmel application journal 2004
  9. A

    Help me design the architecture of ADC

    Re: need your help... i believe that the most important part of an adc is it's comparator and i think it's better to start from it. the most commonly used type adc is successive approximation adc .
  10. A

    Help me increase the input range of a telescopic op-amp

    telescopic opa if you decrese Iss the overdrives of transistors are reduced and you can increase input range.
  11. A

    loop gain and closed loop gain

    it depends on the feedback network if it's resistive they have the same poles and zeros. you can refer to "analysis ans design of analog integerated circuits" by gray,hursr, lewis,meyer
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