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What does it mean by saying an attenuation of at least 20dB by an analogue filter with transfer function 1 (1+ s)(10+ s) at frequency 2 ? 1 O 1. log1o |(1 + jn)(10+jQ) -1 O 2. |(1+ jN)(10+jN) 1 = 20 1 O 3.10 log10' <- 20 (1+2)(100+0) 4. 1 20 |(iQ + 1)(jQ+10)

What does it mean by saying an attenuation of at least 20dB by an analogue filter with transfer function 1 (1+ s)(10+ s) at frequency 2 ? 1 O 1. log1o |(1 + jn)(10+jQ) -1 O 2. |(1+ jN)(10+jN) 1 = 20 1 O 3.10 log10' <- 20 (1+2)(100+0) 4. 1 20 |(iQ + 1)(jQ+10)

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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What does it mean by saying an attenuation of at least 20dB by an analogue filter with transfer function 1 (1+ s)(10 + s) at frequency Q? 1 1.Jog10 1 |(1+ jQ)(10+ jQ)[ O 2. 1 = 20 (1+ jN)(10 +jN) 1 O 3.10 log10' <- 20 (1+n?)(100+0?) 4. 1 <20 lin+ 1)(in + 10)|
Transcribed Image Text:What does it mean by saying an attenuation of at least 20dB by an analogue filter with transfer function 1 (1+ s)(10 + s) at frequency Q? 1 1.Jog10 1 |(1+ jQ)(10+ jQ)[ O 2. 1 = 20 (1+ jN)(10 +jN) 1 O 3.10 log10' <- 20 (1+n?)(100+0?) 4. 1 <20 lin+ 1)(in + 10)|
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