202 Lec 17 - Worksheet Impedance Scaling 1. (a) Impedance...

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Worksheet Impedance Scaling 1. (a) Impedance scaling or magnitude scaling by a factor K m : Z new ( s ) K m Z old ( s ). (b) Z new ( s ) K m Z old ( s ) is achieved by impedance scaling the individual circuit elements by K m : R new K m R old , 1 C new s K m C old s 1 C old K m s , and L new s ( K m L old ) s . 2. Review Test: (a) C new _________ C old . (b) L new _________ L old (c) R new _________ R old 3. Consider the series RLC circuit below. (a) Z in ( s ) ___________________ ÊÊ s 2 Ê Ê s Ê Ê s
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© R. A. DeCarlo (b) Impedance scale each circuit element by K m . Then Z in , new ( s ) ÊÊÊ ___________________ ÊÊÊ ÊÊ s 2 Ê Ê s Ê Ê s Z old ( s ) (c) Compute Transfer function without impedance scaling: H ( s ) V out ( s ) V in ( s ) ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊ__________________________________ (d) Compute Transfer function with impedance scaling:
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202 Lec 17 - Worksheet Impedance Scaling 1. (a) Impedance...

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