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Type: Posts; User: rameshbalan

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by rameshbalan
Replies
7
Views
742

Closed: Re: adc conversion rate doubt

is there any formula to find the conversion rate of the sigma delta adc.

by rameshbalan
Replies
7
Views
742

Closed: Re: adc conversion rate doubt

yes. i need the conversion speed of delta sigma adc related with the resolution of adc.

thanks

by rameshbalan
Replies
7
Views
742

Is there any formula for finding conversion rate of ADC, how to relate the conversion rate with others.

by rameshbalan
Replies
4
Views
1,037

Closed: Re: quarter wavelength line

i have one doubt, is all the lines in electronic circuits are transmission lines or, is the signal wavelength is less than the length of the cable thenonly it becomes transmission line?. what is the...

by rameshbalan
Replies
4
Views
1,037

Closed: quarter wavelength line

i have one doubt, if all the lines in electronic circuits are transmission lines or, if the signal wavelength is less than the length of the cable then it becomes transmission line.
if it is the...
6. Thread: meaning of 'No rule to make target''error in tiva processor

by rameshbalan
Replies
0
Views
1,270

Closed: meaning of 'No rule to make target''error in tiva processor

hai,
i have one doubt. while i am doing serial communication using cortex TM4C123G processor, the error comes like that, gmake: *** No rule to make target...

by rameshbalan
Replies
0
Views
866

Closed: direct form and cascade form

how the direct form is most sensitivity to the coefficient quantization in IIR filter. and cascade form is not much sensitive to the coefficient quantization in IIR filter.
how the direct form is...
8. Thread: What is a minimum phase system?

by rameshbalan
Replies
4
Views
4,515

Closed: Re: What is a minimum phase system?

hai,
i have one doubt, if the zeros lie on the unit circle, not inside or outside means, is it minimum phase system. how?
9. Thread: Mealy vs Moore Design

by rameshbalan
Replies
33
Views
67,793

Closed: Re: difference between moore and mealy

hi,
i understood what you are telling . i have one doubt.
how the mealy faster than moore.
and for designing of the system which one is more useful.

by rameshbalan
Replies
3
Views
918

Closed: Re: sampling and quantization

my doubt is if the system is LTI then only the output is not change even we interchange the order of the system.
here if we sample and quantize or quantize first and sample next will give a same...

by rameshbalan
Replies
3
Views
918

Closed: sampling and quantization

i have one doubt.
when A and B system are cascade, then if the system is linear time invariant system even A and B are interchanged, no change in result.
quantizer is a nonlinear system. but even...
12. Thread: interpolation in DAC and interpolation in multirate signal processing

by rameshbalan
Replies
6
Views
1,412

Closed: Re: interpolation in DAC and interpolation in multirate signal processing

thanks, now i understood the difference between the reconstruction filter and interpolation filter.
13. Thread: interpolation in DAC and interpolation in multirate signal processing

by rameshbalan
Replies
6
Views
1,412

Closed: Re: interpolation in DAC and interpolation in multirate signal processing

i understood,
but in oppenheim "signals and systems" second edition book page no 522, they are telling that interpolation is commonly used for reconstruction in discrete to continuous time converter
14. Thread: interpolation in DAC and interpolation in multirate signal processing

by rameshbalan
Replies
6
Views
1,412

Closed: Re: interpolation in DAC and interpolation in multirate signal processing

no, i am asking why this reconstruction filter is called interpolation filter?. is this interpolation and interpolation in the multirate signal processing are same or not? please tell.
15. Thread: interpolation in DAC and interpolation in multirate signal processing

by rameshbalan
Replies
6
Views
1,412

Closed: interpolation in DAC and interpolation in multirate signal processing

i have one doubt. what is the difference between interpolation filter in DAC and interpolation in multirate signal processing. why the filter in reconstruction of DAC is called interpolation filter.
16. Thread: area sampling and normal sampling

by rameshbalan
Replies
0
Views
479

Closed: area sampling and normal sampling

Hai,
i have one doubt.
what is difference between normal sampling and area sampling. why we need area sampling?
17. Thread: group dealy and phase delay

by rameshbalan
Replies
2
Views
682

Closed: group dealy and phase delay

Hai, i have one doubt,
At which situation we have to use group delay and phase delay?. what is the exact difference between those two.
can we apply for group delay for non linear system also.
18. Thread: convolution of two aperiodic signal

by rameshbalan
Replies
4
Views
4,556

Closed: Re: convolution of two aperiodic signal

in oppenheim 'signals and systems' book, he give one example that the convolution of two aperiodic signal is able to form a periodic signal . how can we analyze with help of fourier transform
19. Thread: convolution of two aperiodic signal

by rameshbalan
Replies
4
Views
4,556

Closed: convolution of two aperiodic signal

is it possible to give periodic signal when convolving two aperiodic signals
20. Thread: propagation delay with voltage swing

by rameshbalan
Replies
3
Views
995

Closed: Re: propagation delay with voltage swing

no, actually when the peak to peak voltage swing increases, the slew rate of the voltage swing decreases.so the speed of the waveform increases. even the device operate above the threshold level, the...
21. Thread: propagation delay with voltage swing

by rameshbalan
Replies
3
Views
995

Closed: propagation delay with voltage swing

i have one doubt. when the input peak to peak voltage level of the inverter decrease, the propagation delay decrease. what is the limit that i have the voltage level to get low propagation delay?

by rameshbalan
Replies
2
Views
3,367

Closed: Re: negative time constant

sir,
i couldn't understood. can you explain with some examples.

by rameshbalan
Replies
2
Views
3,367

Closed: negative time constant

is it possible to have negative time constant in the real world circuit. what is the significance of the negative time constant circuit?
24. Thread: nco in modelsim and quartusII

by rameshbalan
Replies
4
Views
1,280

Closed: Re: nco in modelsim and quartusII

thank you sir.
25. Thread: nco in modelsim and quartusII

by rameshbalan
Replies
4
Views
1,280

Closed: Re: nco in modelsim and quartusII

thank you sir. i need why it cant calculate like that. i tried using ROM table. it give correct answer. what difference does it make. please explain .
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