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Recent content by carl5

  1. C

    [SOLVED] Value of resistance and impedance

    Hi, From calculations, for a perfect pure resistance have same value of D.C. resistance and A.C. resistance(impedance). So for same value of D.C. value of voltage and rms value of A.C. voltage, the current must be same for this case. Q1) Do above sentence are right? Q2) For impedance...
  2. C

    [SOLVED] Difference between ground symbols

    Hi, Why there is different types of symbols? Are they isolated from each others in PCB? Thanks
  3. C

    [SOLVED] Difference in sound between these two circuits

    Hi, When we use headphone, it has coil. while amplifier has input resistance in range of 10k. Will there any oscillations in 32ohm RLC circuit? Thanks.
  4. C

    [SOLVED] Difference in sound between these two circuits

    Hi, How will be the frequency response? Thanks
  5. C

    what makes this oscilator oscilate?

    Re: what makes this oscilator oscilate Hi, This is oscillator circuit. We are using two symmetrical circuit, but the there is some change in parameter(characteristics) of this symmetrical circuit. So one of them will start first ans one will stays off. Yes, it will send it's charge to...
  6. C

    [SOLVED] Pin of IC in schematic.

    Hi, Pin function: This is last text about VDDIO. After this there is no word in schematic/datasheet. Thanks
  7. C

    [SOLVED] Pin of IC in schematic.

    Hi, No BradtheRed, Consider this easy explaining image. Thanks
  8. C

    [SOLVED] Pin of IC in schematic.

    Hi, I am really sorry, I can't share whole schematic due to restriction. In schematic: There is only a IC that is connected between battery and power supply and output is labeled with "VBAT". No IC is mentioned for +3.3v, VDDIO pin. In datasheet: They have mentioned: Power Supply: LDOIN...
  9. C

    [SOLVED] Pin of IC in schematic.

    Hi, Is this VDDIO HAS o/p voltage of 3.3 or it require 3.3v input voltage ? IC is powered by LDO_IN. There is no voltage regulator separately shown in big schematic. Thanks.
  10. C

    [SOLVED] What is Ejector pin and index area in pcb?

    Hi, What is Ejector pin and index area? Why they are required to consider while making pcb? Thank you
  11. C

    Auto voltage regulator output :5V, input:5 to 6

    Hi, Ic can't handle above 5.5v. It will be powered by USB or micro USB. I want to know range of real life voltage of USB. Will it exceed 5.5v? WIKI is telling beyond this range. But I want to know real life voltage. Including USB sockets of cpu, TV, micro usb charger,... Is voltage regulator...
  12. C

    Auto voltage regulator output :5V, input:5 to 6

    Hi, I don't understood. This project is for professional purpose. So needed to be included all 2.0 usb voltage in concern. As per wiki, USB voltages are between 5v +- 0.25v. But firstly, want to know real life voltage range of usb voltage. Thanks.
  13. C

    Auto voltage regulator output :5V, input:5 to 6

    Hi, Is any IC with following Features are available? Input: 5v to 5.5v (USB powered) Output: 5v(fixed), >10mA Current. What is USB voltage of micro USB charger? In any specified range? And for long wired charger? Thank you in advance.
  14. C

    Choosing tolerance for different application

    Hello, For this circuit, which values of capacitor will be good? I just show a capacitor with -20 to +80 tolerance! :oops: Isn't strange having big resistance and capacitor in circuit? I will use that connector. I will not use that switch. where to connect wires? To main channel or...
  15. C

    [SOLVED] .sch file not opening

    Hello, I am so sorry that I can't share that file as per company's rule. I found "Source PathC:\PROGRAM FILES\ORCAD\CAPTURE\LIBRARY\CAPSYM.OLB " in that file. I tried to open in OrCAD capture CIS but failed. I also searched for that, installed library "CAPSYM.OLB" and tried to open but no...
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