Page 13 - 30105-2003 การวิเคราะห์วงจรอิเล็กทรอนิกส์ความถี่สูง

5

×
=
1 fF 1 10 − 15 F
− 12
×
=
1 pF 1 10 F
9
−
=
×
1 nF 1 10 F
− 6
×
1 µF 1 10 F
=
3.6 " 2#6778 (Capacitance)
0
0&ZZ[ * &ZZ[ " +,
ก
0
$
,
C = 1F C
0&' 1 3 ' ",! 1 V
1 1
3.7 / M - (Inductor; L )
+,
( ( $ +$ ก & " ก 3 , $ " ! ก ' 3'
0$ u ),

o "' 2 "' ",! (" ) + ก # $ $ 2 ",!

ZR $ก (RFC)

o +
( # $# 0 +,
( ก

,
*
+$ + &ZZ[ ก 3 + ก
ก ' 3' +$ + (
$

+,
( # $ ,4 ,ก 1 L &'$3ก L L L 3 * 2
,
,
1
T
2

" +,
( &'$3ก
_ (H),
_ (mH),& R
_ (µH), 3 -
R
_ (nH)

−
3
=
1 mH 1 10 H
×
− 6
1 µH 1 10 H
= ×
9
−
1 nH 1 10 H
= ×
− 12
= ×
1 pH 1 10 H
3.8 " M - (Inductance)

(
( &ZZ[ " +,
(
$
,
L = 1H L $ 3 ' &ZZ[
( +ก "' '&'
1 1
1 V
* ก 3 &ZZ[ & % 1 A #
1
3.9 -B กB/ U (Reactance; X )
,
3 ก3+ ` * ก +$ ก & " ก 3 , " +,
( +
ก -
*
$
0

" 3 ก3+ `

' ก, +, +$ 3 ก3+ ` , 3 ก&' 2 3 ', !

3.9.1 -B กB/ U B " 2# (Capacitive Reactance; X )
C
0 , X 3 * 2
3 ก3+ ` 3 # $ ,4 ,ก 1 X &'$3ก X C B , X C C C E
C
3.9.2 -B กB/ U B " M - (Inductive Reactance; X )
L

3 ก3+ ` 3
( # $ ,4 ,ก 1 X &'$3ก X , X 3 * 2
L L 1 L 2
ก

ก
ก