microwave devices e511 lecture 13 amr al.awamry. agenda filter implementation
TRANSCRIPT
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Microwave Devices E511Lecture 13
Amr Al.Awamry
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Agenda
Filter Implementation
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Filter Implementation
Richards’ Transformation
@ resonance frequency
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Kuroda’s Identities* Physically separate transmission line stubs* Transform series stubs into shunt stubs, or vice versa*Change impractical characteristic impedances into more realizable values
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Kuroda identities , cont.
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Example 8.5
Design a low-pass filter for fabrication using microstrip lines. The specifications include a cutoff frequency of 4 GHz, an impedance of 50 ohm , and a third-order 3 dB equal-ripple passband response
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Example 8.5 cont.
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Impedance and Admittance Inverters
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Stepped impedance design
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BandPass & BandStop filters
BandStop
BandPass
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Bandpass Filters Using Capacitively Coupled Series Resonators
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Bandpass Filters Using Capacitively Coupled Series Resonators II
Stub length equal λ/2
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Bandpass Filters Using Capacitively Coupled Shunt Resonators
Stub length equal λ/4