applications: passive filters - cairo university 2020. 8. 1. · dr. mohamed refky. introduction dr....
TRANSCRIPT
Passive Filters II
Dr. Mohamed Refky Amin
Electronics and Electrical Communications Engineering Department (EECE)
Cairo University
http://scholar.cu.edu.eg/refky/Dr. Mohamed Refky 1
OUTLINE
• Introduction
• Band-pass and Band-stop Filters
• Double tune filter
2Dr. Mohamed Refky
Introduction
3
• A lowpass filter passes low frequencies and stops high
frequencies.
• A highpass filter passes high frequencies and rejects low
frequencies.
• A bandpass filter passes frequencies within a frequency band
and blocks or attenuates frequencies outside the band.
• A bandstop filter passes frequencies outside a frequency band
and blocks or attenuates frequencies within the band.
Type of the filter
Low pass 0
High pass 0
Band-pass 0 0
Band-Stop
Dr. Mohamed Refky
Introduction
4Dr. Mohamed Refky
Introduction
5Dr. Mohamed Refky
Introduction
6Dr. Mohamed Refky
Band-Stop FilterBand-Pass Filter
Introduction
7Dr. Mohamed Refky
Passive Filters
8
Band-pass and Band-stop Filter
Dr. Mohamed Refky
Passive Filters
9
Band-pass and Band-stop Filter
Valid only at resonance
Dr. Mohamed Refky
Passive Filters
10
1. Sketch the response curve for the load voltage of the filter shown
Example 7
Dr. Mohamed Refky
Passive Filters
11
Example 8
Dr. Mohamed Refky
Passive Filters
12
Double tuned filter
Dr. Mohamed Refky
Passive Filters
13
Double tuned filter
Dr. Mohamed Refky
Passive Filters
14
Double tuned filter
Dr. Mohamed Refky
Passive Filters
15
Double tuned filter
Dr. Mohamed Refky
Passive Filters
16
Double tuned filter
Dr. Mohamed Refky
Passive Filters
17
Double tuned filter
Dr. Mohamed Refky
Passive Filters
18
Double tuned filter
Dr. Mohamed Refky
Passive Filters
19
Double tuned filter
Dr. Mohamed Refky
Passive Filters
20
Example 9
Dr. Mohamed Refky
Passive Filters
Example (10)
Dr. Mohamed Refky 21