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Noise considerations in Testing of High-resolution Signal Acquisition system (Read 647 times)
jdp
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Noise considerations in Testing of High-resolution Signal Acquisition system
Jan 11th, 2017, 10:44pm
 
Hi.

For testing of an integrated high-resolution Signal Acquisition system, intuition tells that one should employ a signal generator (to feed the i/p test signal to the system) having very low noise of its own.

Is this indeed how the performance of such high-resolution (~20 bits) acquisition systems are measured? ( I need to measure the o/p SNR)

Are such low-noise signal generators at all available?

Any idea in this regard is highly appreciated.
Thank you.
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deba
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Re: Noise considerations in Testing of High-resolution Signal Acquisition system
Reply #1 - Jan 13th, 2017, 12:19am
 
Hi

As far as I know, such generators are available. But if it for testing purpose, there are very sharp band-pass filters available for various frequencies, which can be used to further clean up the signal generators.

Thanks
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