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Recent content by FMradio

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    Engine Control Unit ECU

    Oh its running, can u please share more information with us ? i am interested in this project
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    Amplifier 2 x 100W of own construction

    i think here we can only watch the pictures
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    looking for elcectronics mini projects..

    Oo u want to make Telephone,Mobile as a Project etc
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    Variable frequency Sine wave Generator Problem

    Sir C = 2.2uf L = 800mH
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    Variable frequency Sine wave Generator Problem

    Yup the LC filter is to remove the High frequency Components
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    Variable frequency Sine wave Generator Problem

    sir 1) there r no toggle/push push switches just a Variable Resistance. 2) do i need sheilding??? 3) it has just one Crystal in FPGA Card. 4) Batt+ is OK @ ch wazir Lets wait for the Experts & see what they say about that
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    Variable frequency Sine wave Generator Problem

    Sir I made a Variable Frequency Sine Wave Generator that can vary frequency from 90 to 150Hz, its running fine, but the problem is that the noise in sine wave gets pronounced in between the certain frequency band as can be seen in screen # 4, below & above that band there is less distortion...
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    what this Capacitor do in SMPS

    sir it do have a Optocoupler, basically its my Scope Power Supply & i want to measure the Live 110V AC, when i connect the Ground pin of my scope to live it maakes lil sparke, i think dude to this capacitor the current path is completing, now what should i do ?? is it OK to means live 110V?? i...
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    [SOLVED] Boost converter Audiable Noise Problem

    Sir it has no Transformer just an Inductor ---------- Post added at 19:54 ---------- Previous post was at 18:48 ---------- Sir FvM my Problem has been solved the Problem was with Current Sense, by inserting it in the loop its running pretty Silent Thank You Sir
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    what this Capacitor do in SMPS

    Sir you have just repeated Sir FvM Words now tell me, if it is useless then y the Manufacture has used it?? is it important to tell the Value of that Capacitor??
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    what this Capacitor do in SMPS

    Sir any one knows??
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    [SOLVED] Boost converter Audiable Noise Problem

    Sir but its regulating the Voltage perfect am not facing any Problem, the Problem is just with the Audible NOSIE how i can supress it ?? please tell me how to do proper slope compensation???? my circuit consist of just MOSFET, Inductor, Diode, Capacitor & UC3845, + i am not using current feedback
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    [SOLVED] Boost converter Audiable Noise Problem

    sir i have designed a simple Boost converter 12v to 24V, with feedback control using uc3845, it works great the Inductor switching frequency is 55Khz, the problem is that it makes an audiable Noise which varies according to the load like SSsssssssssTTTttttttTTTTttssssssss ..
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    what this Capacitor do in SMPS

    Hello sir I want to know the purpose of this capacitor in SMPS, what would happen if I remove this capacitor?? Actually I want to use the output of the Supply with a circuit which have live AC 110V,
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    MOSFET driving Problem

    sir one more question do we need 4-snubber networks in full H-Bridge ??

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