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Recent content by chepot

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    xilinx xc2018 design tool

    xilinx old is xc2018 what design tool for xilinx XC2018? i know it's old but i like to use it for some simple design.
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    help...newbie with oscilloscope

    hi, pauloynski...I hope you can help me again on this. I try to calibrate my probe. there is a 2Vp-p on my scope for calibration purpose. the manual state the I should put my probe to 10x and volt/div to 50mv. I adjust my probe's compensation trimmer but the result is always over compensation...
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    capacitor types- need information for it's best use, pros

    capacitor type there are many type of capacitor out there: MKS, MKY, MKP, MKM, MKT, MKU, MKL, MPP, PFC, PFR, WIMA .... i need information for it's best use, pros, con .... if you have link for information about it, please post it (i will google too) i like to read many of them
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    calibrating ICL7106 using 200mV reference voltage

    Re: calibrating ICL7106 thank wizpic for the pdf file. I'm aware of using voltage divider to do calibration, but the problem is I doubt my dvm accuracy (mine are cheap one). so I'm looking for a precision vref, the datasheet mentioned it, but i don't have the component (silicon NPN MPS 3704)
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    calibrating ICL7106 using 200mV reference voltage

    calibrating ICL7106 there are notes on ICL7106 to do calibration, but i can't find the component on store near my place. I googled then found the other way to calibrate it, using 200mV reference voltage. How can I get close as possible to 200mV?? I searched for fixed reference voltage...
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    diode reverse recovery time

    trr diode isurug, sorry if i'm too slow to understand :roll: the first equation you gave me to calculate trr: trr = sqrt(2*Qrr/(di/dt)) i can't finish the equation, because i don't know the value of Qrr, di, dt. then you gave me the equation to calculate Qrr: Qrr = irr * trr. in my...
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    diode reverse recovery time

    qrr diode hi, isurug I'm newbie to electronic. i hope you can give me more detailed help. switching frequency is 25KHz Tperiode = 40us Ton = 5us ---> is this dT ? i don't know about Tdelay, Trise or Tfall (newbie) how to determine Qrr? I googled and fine this formula trr = Ts + Tt. but back...
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    help...newbie with oscilloscope

    thanks for helping me paulo.
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    help...newbie with oscilloscope

    thanks pouloynsky. is it also save to probe at 40VDC with 3A current on 30KHz frequency? which probe should I set 1:1 or 10:1 ?
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    help...newbie with oscilloscope

    hi, I very beginner on electronic. I just buy an analog oscilloscope (20MHz). here is some information on scope's manual: (MAXIMUM INPUT VOLTAGE) 1. 400V (DC+AC peak), AC freq 1KHz or lower 2. when set probe 1:1, max effective readout is 40Vpp (14Vrms at sinewave) 3. when set probe 10:1, max...
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    diode reverse recovery time

    dipnirvana, do you know what formula to calculate trr as IF increase ?
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    diode reverse recovery time

    reverse recovery time my diode datasheet (BYT56) state that it's trr=100ns. the test condition is: IF=0.5A, IR=1A, iR=0.25A. i'm going to use it on my circuit at IF=3A. is it's trr still the same (100ns)? if not, how to calculate it?[/code]
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