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What is the reference power while converting to dB for the following block?(a) 1W(b) 1mW(c) 0(d) 20WI got this question during an internship interview.Enquiry is from Simulation in portion SIMULINK and GUIs of MATLAB

Answer»

The CORRECT option is (a) 1W

The explanation is: The reference POWER for this block is pre-defined in MATLAB. To convert the VOLTAGE to dB, the reference power is 1W but to convert it to dBm, the reference power is 1mW.



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