Introduction to Electric Circuits

Chapter 13 Frequency ResponsePart 1

Measuring Responses Define input and output Time response and frequency response

2

2 2

1 1

2

2 2

1 1 2 1

1 1||( )

1

Rj C

R Rj C j CH

R RR

j CR RR j CR R R

Low-Pass Filter

Half-Power Frequency

Bode Plots

Corner-, Break-Frequency

Bode Plots

0

0

0

( ) 1

( ) , ( ) , ( )

1 1( ) , ( ) , ( )

H j

H j H K j H j

KH H Hj j

j

1020 log 15.9 dB80k

2

1

1 || 400000( ) 120000

j CH j

j C

2

0 0

( )

2 1

kH

j j