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Recent content by Vraj

  1. V

    Pads design of new pcb library

    Hi, This is AV connector( RCA Jack). Problem is height. The top side of this around 13.2mm from the pcb. My plastic model will be made of PLA or ABS material having 1.5mm thickness. So, total height is 13.2+1.5=14.7mm from pcb. My switch is having 14mm height from pcb. So, should I...
  2. V

    Why legs of dip switch are bended?

    Hi, Why legs of Dip switch are bended? For hanging on position while soldering? Thanks
  3. V

    Pads design of new pcb library

    Yes, rectangular pads *
  4. V

    Pads design of new pcb library

    Hi, I am making new pcb library. Is C1 and C2 are really necessary for pads design? If I made square pads, then would it cause problem for reflow soldering? Thanks - - - Updated - - -
  5. V

    [SOLVED] 5v to 3.3v, around 70mA current at output.

    Hi, Datasheet of XC6206 informs that output voltage can be selected(6th line, 1st page of datasheet). But how? There is no additional pin for select output. https://www.torexsemi.com/file/xc6206/XC6206.pdf Thanks
  6. V

    Electric fence current- joule ratings for pigs

    Hi, I am working on project of electric fencing. The main focus is pigs. I found voltage should be 3kv+ But what about the charge and joule rating? If ratings are 3kv and 0.5 joule then it will deliver 0.1mA current for second? What frequency will be good? And there should be feedback to...
  7. V

    3V to 12V transformer?

    Hi, just use transformer rated with 1:4 ratio (step up) and rated with primary 1A current. Thanks
  8. V

    Current limited LED and Difference between two types of capacitor

    Hi, I made circuit. I need some suggestion for AGC. I made circuit with two opamp(ua741) one as gain amplifier and another as comparator. The O/P of comparator is directly driving mosfet(IRFZ44n) with 10k resistor on gate to source. My speaker has two pcb circuits. One is audio receiver (sd...
  9. V

    Current limited LED and Difference between two types of capacitor

    Hi, Here is the schematic. I will find out more about AGC and add in to my design. Thanks
  10. V

    Current limited LED and Difference between two types of capacitor

    Hi, Hmm, ok my amplifiers are in case with speaker. It would difficult to open after arranging big stuff. Also it takes 4-5 hours for disassembly and reassembly. I will do in free time may be after 5 days.(adding 3rd amplifier) ;) Thanks - - - Updated - - - Hi, For AGC stage, uC is required...
  11. V

    Current limited LED and Difference between two types of capacitor

    Hi, 1) Yes I feel some distortion, power is felt low when I connect another amplifier. 2) Yes I should use clear words. speaker is having two meaning. The speaker manufacturer who creating speakers was also confused. When I asked Price list, he confused between multimedia speaker or transducer...
  12. V

    Current limited LED and Difference between two types of capacitor

    Hi, Sir kindly check word "input" Means I am using now two different amplifiers and 1 common input. Thanks
  13. V

    Current limited LED and Difference between two types of capacitor

    Hi, Do you know any audio buffer IC ? Or I should make it with op amps? I need this because I am using already two speakers from single input by direct parallel connection. Sometimes I observe noise signals / insufficient power for my speakers as input signal is driving two speakers. I will...
  14. V

    Current limited LED and Difference between two types of capacitor

    Hi, Hmm what about three level of intensity? Is it includes negative value? Thanks - - - Updated - - - Hi, Should I care about negative peak? How negative music sounds like? Do sound of drum has negative to positive or vice versa? Or neutral to positive or neutral to negative? If it has...
  15. V

    Current limited LED and Difference between two types of capacitor

    Hi, I haven't Burnes out LED. I am planning to make led driver. My project is to make DJ light. So there would be MOSFET in driving circuit. I will amplify audio signal with opamp then will use comparator or uC to find peak and then will feed to the MOSFET. MOSFET is rated with high current a...
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