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Simulink for current realization in dB

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Siddhi Kadam
Siddhi Kadam 2020-10-4
关闭： MATLAB Answer Bot 2021-8-20
How can we realize in simulink if we have been specified that some current is x dB of some other currrent? For e.g. i1 = 15 dB of i2. Do we take 20 log of i2 as we normally do for power or is there something else to it. How can this be realized in simulink?
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Nitin Kapgate
Nitin Kapgate 2020-10-7
Is the current 'i1' is 'x' db less or more than the current 'i2'?
Siddhi Kadam
Siddhi Kadam 2020-10-7
only one current is known i2 and x is known

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Aman Vyas
Aman Vyas 2020-10-9
Hi,
You can use Matlab Function block in your simulink and customize it as required. There claerly you can first convert dB to linear gain and then finally can use i1= x* i2; where x is linear gain.
For more on this function you can refer to below documentation link:
https://www.mathworks.com/help/simulink/slref/matlabfunction.html?s_tid=srchtitle
Hope it helps !

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