1.

What is the attenuation in dB assuming I1 is the input current and I2 is the output current leaving the port?(a) 10 log10 (I1/I2)(b) 10 log10 (I2/I1)(c) 20 log10 (I2/I1)(d) 20 log10 (I1/I2)The question was posed to me during an online interview.Origin of the question is Attenuators in portion Filters and Attenuators of Network Theory

Answer»

Right choice is (d) 20 log10 (I1/I2)

To explain I WOULD say: ASSUMING I1 is the input current and I2 is the output current leaving the PORT, the ATTENUATION in dB is Attenuation in dB = 20 log10 (I1/I2) where I1 is the input current and I2 is the output current leaving the port.



Discussion

No Comment Found

Related InterviewSolutions