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Ansoft Designer / Ansys Designer 在线帮助文档：

Filter Design Tool >
   Technical Notes >
       Design of Ideal Lumped and Distributed Element Filters >
           Design Example >
               Frequency Mapping and Impedance Renormalization                   


Frequency Mapping and Impedance Renormalization

Choosing 0.1 dB Chebyshev and Rs=Ro prototype, and 90-110 MHz corners, mapped to a bandpass filter. The element values are listed in table below.

 

[spacer]

 

Normalized

Renormalized

Rs

1.0

50

L1

9.1262

456.31 nH

C1

280.358

5.607 pF

L2

0.2345

11.72 nH

C2

10911.74

218.23 pF

L3

15.717

785.84 nH

C3

162.795

3.256 pF

L4

0.2345

11.72 nH

C4

10911.742

218.23 pF

L5

9.1262

456.31 nH

C5

280.358

5.607 pF

Ro

1.0

50

 

The completed filter schematic is given below.



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