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  1. C

    Linear Voltage Regulator Design

  2. C

    Linear Voltage Regulator Design

    I want the output current to be around 2 to 3 AMPS.....Your 's enclose can the output achieve to 0-30V??? Also Use a higher voltage IC ................which IC should be suitable on it?? And which  you used??
  3. C

    Linear Voltage Regulator Design

    It is 12BIT DAC 0-10V also........It about 0-2V but....current limit I will design later
  4. C

    Linear Voltage Regulator Design

    Thanks a lot...But I have few question about this.... 1. DC sypply voltage only 36V, Is ir really suitable??? 2. How to caculate the resistor values (10K) between PNP Base and Emitter and NPN base to output(10K and 100K)??? 3. What is the values of capacitor should I use?? 4.I know it...
  5. C

    Linear Voltage Regulator Design

  6. C

    Linear Voltage Regulator Design

    It is my new design for my circuit If LM358 is slow op-amp...which opamp should I use??? Also, how to add on somthing to improve this circuit . Such as capicator to reduce noise and zener diode make the voltage stable??? Thanks a lot
  7. C

    Linear Voltage Regulator Design

    i SEE....It 's 4.5M high speed Op- amp ....Is your design need remove 555 timer ?? Also, which P-channel MOSFETs and Diode do you used??
  8. C

    Linear Voltage Regulator Design

    Then....Which op-amp should I use?????
  9. C

    0-30 Vdc Stabilized Power Supply

    O...IC~~~ Can help me to remove the thing which not a voltage regulator....Thanks a lot
  10. C

    Linear Voltage Regulator Design

    If I want to output 0-30V Vin =
  11. C

    0-30 Vdc Stabilized Power Supply

    Thanks audioguru, then which part is Voltage reference and linear Voltage regulator??? I would like to test one by one~~Thanks Is it all the part is voltage regulator?? Am I worng???
  12. C

    About this Cirucit

    I remove the current limit part....Am I right??? also......... What is the function of the RED circle?? The diode may i repace the resistor there?? Which op amp I should use there???? thanks a lot
  13. C

    About this Cirucit

    Is it OK?get any problem?? I am a newbie.....which part is current limit?? If i want to remove the current limit part...how to change the circuit?? thanks
  14. C

    How can this circuit improve 0...30V???

    o...How to solve it??? which IC I should use?? Also ...how can it .....started voltage 3V change to 0V??? and can achieve to 30V
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    How can this circuit improve 0...30V???

    Vout = (R1+R2 / R1) * Vref 5k >>>> 4k 1k >>>> 2k Is it OK??
  16. C

    How can this circuit improve 0...30V???

    Also...If the Vref 0-5V replace 0-10V how can i change the resistor and how to caculate??? thanks a lots
  17. C

    How can this circuit improve 0...30V???

    It is a 3 to 24 V linear power supply how can this circuit improve 0...30V???  :P :P :P
  18. C

    0-30 Vdc Stabilized Power Supply

    Hello, I am sorry for my poor English...also I am a newbie of electronic... I really want to make this project for my first and serious project.. I want to ask somting abt this project...hope anybody can answer me...thanks you. 1. Which precise part is control current and control...
  19. C

    I get a problem of 0-30 Vdc Stabilized Power Supply

    O..thanks audioguru it's really complicated ???? If I want to set the output voltage and current limit with DAC's~~ How can i improve this circuit??
  20. C

    I get a problem of 0-30 Vdc Stabilized Power Supply

    I have couple of questions of this project. http://www.electronics-lab.com/projects/power/003/index.html How could it change the P1 and P2 to be Vref for D/A convertor 0-10V and how to caculate the resistor???? Thanks a lot
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