Utilities+ User Manual - Chebyshev Low-Pass Filter

microwave software®

Utilities+® User Manual
RF/Microwave Design Utility Programs

CHEBYSHEV LOW-PASS FILTER

                 Chebyshev Low-Pass Filter

               Calculate component and normalized 'g-values' for Chebyshev
                 low-pass filters between equal termination's given N, Z0,
                 Ripple, and Freq (10 element max.).

               Enter N,Z0,Rip, and F(MHz) [<Enter>=Quit] ? _

The sketch below identifies the Chebyshev filter elements.

Let's design a 3-element 50 ohm low-pass filter with a .1 dB ripple cut-off frequency of 10 MHz. In response to the question up above, input "3,50,.1,10" and press <Enter>.

Here are the calculated component values and the normalized 1-ohm / 1 radian 'g-values.'

                                                        [g( 0 ) = 1.00000]
                C( 1 ) = 3.2836E-10 F    [g( 1 ) = 1.03156]
                L( 2 ) = 9.1307E-07 H    [g( 2 ) = 1.14740]
                C( 3 ) = 3.2836E-10 F    [g( 3 ) = 1.03156]
                                                      [g( 4 ) = 1.00000]

Press <Enter> to return to the Main Menu.

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