Recent content by elecz

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    MATLAB Efficient Zero-Crossing Detection Code for Continuous Sine Waves in MATLAB

    ϕ=0 and w=2*pi*f; f=1000; B=0 and A=1; 0<t<5
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    MATLAB Efficient Zero-Crossing Detection Code for Continuous Sine Waves in MATLAB

    Its a simple sine wave without any noise or harmonics
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    MATLAB Efficient Zero-Crossing Detection Code for Continuous Sine Waves in MATLAB

    I want to detect all zero-crossings in a sine wave through matlab. Kindly tell me about a simple code which detects all zero-crossings and stores them in an array. The sine wave is continuous time signal, not discrete...
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    MATLAB Solving MATLAB For Loop Error: Counting 'c' to 11

    For loop in Matlab I have written following code in MATLAB but the if condition inside the for loop isn't working properly. Can anyone tell what's the possible bug?? f=1000; T=0.001; g=0:0.00005:5; w=2*f*T*pi; s=sin(g*w); plot(g,s); grid on; title('SINE FN'); xlabel(' x10^-3 TIME...
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    Is HM2007 Available in Pakistan?

    I need a quick reply. If any of you knows, please reply soon
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    Is HM2007 Available in Pakistan?

    Is HM2007 available in Pakistan?
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    How Does HM2007 Process Speech and Output Data?

    Can anyone tell me what exactly HM2007 does? In what shape it gives output? Does it give exactly one number for one word for some particular speaker irrespective of his/her tone of speaking? please reply soon
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    LED Resistance: Learn Internal Resistance, Current Draw

    Can anyone tell me what is the internal resistance of LED? I mean is that very high or low? Usually how much current is drawn from it when it is given 5V?
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    Fixed voltage regulator problem

    But I want to know the exact reason why this happens. Is this because of some internal loses?
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    Fixed voltage regulator problem

    Why does LM7805 and LM7809 give less voltage? Practically LM7805 is giving 4.9V instead of 5 and 7809 is giving 8.8V. Can anyone please tell me the reason?
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    Which voltage regulator is the best choice for a power supply?

    Can anyone tell me which voltage regulator is better to use for power supply. LM140, LM340 or LM78xx series? I want to know which one is most economical and easily availabe. Thankyou
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    What is the Best Voltage Regulator for a Dual Polarity Power Supply?

    Thanks a lot! You have solved my big problem...
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    What is the Best Voltage Regulator for a Dual Polarity Power Supply?

    Ok thankx.. But I want to know exact device name. e.g LIM117, I want to know more...
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    What is the Best Voltage Regulator for a Dual Polarity Power Supply?

    I want to make a power supply which gives DC voltage from -17V to +17 volt, i.e of both polarities. Someone please tell me which voltage regulator is easiest and most appropiate to use? Thankyou!
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    Understanding Characteristics of RLC Circuits

    well thanks but i was confused in concept especially of characteristic frequency. we solve several numericals in course and derive many formulas, but still cofusion remains; how to explain these terms in physical meanings??
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