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Lumped Parameter - RF and Microwave Engineering - Lecture Slides, Slides of Electronics engineering

Bharat Ratna Dr. B. R. Ambedkar UniversityElectronics engineering

These are the Lecture Slides of RF and Microwave Engineering which includes Design, Parameters, Data Used, Matching Design, Data, Result, Configure Library, Add Components, List etc. Key important points are: Lumped Parameter, Band Pass Maximally, Center Frequency, Bandwidth, Maximally Flat Low Pass Prototype, Normalized, Center Frequency, Finding the Filter Components, Filter Simulation, Ansoft Designer

Typology: Slides

2012/2013

Uploaded on 03/23/2013

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Lumped Parameter Band-Pass Filter
Design
Design an N=3 band-pass maximally flat
(Butterworth) filter with a center frequency
of 900 MHz. The Bandwidth of the filter is
20% ; That is, BW = (0.20)(900 MHz) =
1.8 MHz or ±0.9 MHz.
From the Maximally Flat Low Pass Prototype
Table 5-2,
g0 = g4 = 1, g1 = g3 = 1, g2 = 2
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Lumped Parameter Band-Pass Filter

Design

Design an N=3 band-pass maximally flat

(Butterworth) filter with a center frequency

of 900 MHz. The Bandwidth of the filter is

20% ; That is, BW = (0.20)(900 MHz) =

1.8 MHz or ±0.9 MHz.

From the Maximally Flat Low Pass Prototype

Table 5-2,

g 0 = g 4 = 1, g 1 = g 3 = 1, g 2 = 2

Low Pass Prototype Filter

R (^) S g 0 =

L (^1) g 1 =

C (^2) g 1 =

L (^3) g 3 =

R (^) L g 4 =

Where the normalized center frequency is

ω c = 1, ω L = 1.1(2π·900 MHz), and

ω U = 0.9(2π·900 MHz)

So that ω U - ω L = 1.13Grad/s and

ω o = ω L ω U = 5. 627 Grad/s

Filter Simulation with Ansoft Designer

Filter Simulation with Ansoft Designer

Richards Transformation:

Lumped to Distributed Circuit Design

jX (^) L

jB (^) C

L

C

λ/ 8 at ω c

λ/ 8 at ω c

Zo = 1/(j ω C)

Zo = j ω L

Kuroda Transforms