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Electronics Handbook/Circuits/High-pass Filter
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High Pass Filter
Circuit has stable voltage at High Frequency and increasing voltage at Low Frequency
RC Configuration
200px
Vo / Vi
T = RC
Frequency Response
{| class="wikitable"
! ω = 0 !! ω = !! ω = 00
|-
| || ||
|}
Circuit has stable voltage at High Frequency and increasing voltage at Low Frequency
200px
RL Configuration
240px
Vo/Vi
.
Frequency Response
{| class="wikitable"
! ω = 0 !! !! ω = 00
|-
| || ||
|}
Circuit has stable voltage at High Frequency and increasing voltage at Low Frequency .
200px
Summary
High Pass Filter Circuit has stable voltage at High Frequency and increasing voltage at Low Frequency
High Pass Filter can be constructed from RC or RL
High Pass Filter has a general formula
T = RC = R / L
Angle Difference Tan θ = j ω T