243
6.
( 942 10 6 ) ( 269.261 10 − 9 × 342.442 10 − 12 + 1
2
×
×
×
)
L m (new ) = 2
×
×
342.442 10 − 12 ( 942 10 6 )
L = 272.551 nH
m (new )
L = L = 272.551 nH
m 2 m (new )
Ω
Ω Ω Ω
Ω Ω Ω
Ω
R m 1 = = = = 3.18 , L m 2 = = = = 272.551 nH, C m 3 = = = = 4.451 pF, C m 4 = = = = 67.401 pF, R m 5 = = = = 75 ,
C = == = 342.442 pF;
x
Z out = 75 Ω C m 3 L m 2 Z = (3.18 J− 3.10 ) Ω
in
R m 5 R m 1
C
E S m 4
C x
# 4' 6.17 ก ! ;2 (6; !ก : ! 4' 3 ( ! # 2
6.2
ก
0!
$
"
2
ก S 4 24 (Butterworth Low-pass Filters 4
4' ก -
)
−
4' !'" !7' ก " !7' # ( 3 dB) S ก # 4' 6.18 ( ก ( L C
( C !'" ' ก
2 " !7' # 4 6
" !7' # 3
ก 23 ก L !'"
' ก
2 " !7' 4 6
" !7' 3
S L R 3 ก" ! R "
L L
6 4' 6.1 5 " 4'(
" 6; !ก 6 ก ' ( " 'ก" %
E S
:
# 4' 6.18 ก S 4 2 24 ก 2 31
R L
L = L n (6.28)
π
2 F H
C
C = n (6.29)
π
2 F R L
H
ก
ก
ก
244
6.
:
(4' , C "$ " " !
' ( , " " !
L
L C "$ " 4'(
' ( , " 4'(
กN :
n , n
, F "$ " " !7' # , " " !7'
F H L
n "$ (!'" !; 3 dB ก 48
−
4' 6.1 " 4'(
(Normalize) ก S 4 2 24
2
2
Ω
ก S 4 4 (R = 1 )
L
π R S C L C n 3 L n 4 C n 5 L n 6 C n 7 L
8
n
1 n
n
2
n = 2 1.4142 1.4142 - - - - - -
−
( 90) 1
n = 3 1 1.0 2.0 1.0 - - - - -
n = 4 0.7654 1.8478 1.8478 0.7654 - - - -
−
( 180) 1
5 0.6180 1.6180 2.0 1.6180 0.6180 - - -
n = 1
6 0.5176 1.4142 1.9319 1.9319 1.4142 0.5176 - -
n = 1
n = 7 1 0.4450 1.2470 1.8019 2.0 1.8019 1.2470 0.4450 -
n = 8 1 0.3902 1.1111 1.6629 1.9616 1.9616 1.6629 1.1111 0.3902
* " L C
R = 1 Ω " " !7' ( 3 dB ก 48)
−
n
L
n
! 6.7 # 4' 6.19 ก ก S 4 2 24 : ก 2 31 (
Ω
$ ก n = 4, R = 50 , R = 50 Ω F = 8 MHz
L
H
S
E
S
# 4' 6.19 ก S 4 2 24 n =
4
"# $ ก 4' 6.1 !$ $ ก n = 3 " ! 4' 6.2
4
4' 6.2 " & !$ $ ก n = : ก 2 31
4
π R C 1 n L n 2 C n 3 L n 4 C n 5 L n 6 C n 7 L n 8
S
n = 4 1 0.7654 1.8478 1.8478 0.7654 - - - -
−
( 180)
ก
ก
ก
245
6.
ก 4' 6.2 3 " '%
C = 0.7654, L =1.8478, C = 1.8478, L = 0.7654;
1 n n 2 n 3 n 4
*(!
"
C
ก !ก (6.29) C = n
π
2 F R
H L
Ω
(ก
C = C , C = C , R = 50 , F = 8 MHz;
1 n 1 n L H
C 0.7654
C = 1 n = = 304.55 pF
1
π
×
×
6
(2 F R L ) ( 2 3.14 8 10 × 50 )
×
H
C 1.8478
C = n 3 = = 735.23 pF
3 6
π
×
×
×
2 F R 2 3.14 8 10 ×
H L 50
R L
ก !ก (6.28) L = L n
π
2 F
H
Ω
(ก
L = L 2 , L = L n 2 , R = 50 , F = 8 MHz;
H
n
L
×
R L 2 50 1.8478
L = = = 1.83 µH
L n
2
π
× ×
×
2 F H 2 3.14 8 10 6
×
R L 50 0.7654
L = L n 4 = = 0.76 µH
4
π
2 F × × × 6
H 2 3.14 8 10
C = == = 304.55 pF, L = == = 1.83 µH, C = == = 735.23 pF, L = == = 0.76 µH, F = = = = 8 MHz;
1 2 3 4 H
6.3
ก
0! 23
"
ก S # 4 24 (Butterworth High-pass Filters ก 4' !'
2
)
" !7' # ก " !7' S # 4' 6.20 ก ( L C ( L !'" ' ก-
2 " !7' 4 6
" !7' 3
S L ก 23 ก C !'" ' ก-
2 " !7' # 4 6
" !7' # 3
S C R 3 " !7' # ก" ! R
L L
E S
2
# 4' 6.20 ก S # 4 24 ก 31
2
:
ก
ก
ก
246
6.
4' 6.3 " 4'(
ก S # 4 2 24
2
ก S # 4 24 (R = 1 )
Ω
L
π R S L 1 n C n 2 L n 3 C n 4 L n 5 C n 6 L n 7 C n 8
n = 2 0.7071 0.7071 - - - - - -
−
( 90) 1
n = 3 1 1.0 0.5 1.0 - - - - -
n = 4 1.3065 0.5411 0.5411 1.3065 - - - -
−
( 180) 1
n = 5 1 1.6181 0.6180 0.5 0.6180 1.6181 - - -
n = 6 1 1.9319 0.7071 0.5176 0.5176 0.7071 1.9319 - -
7 2.2471 0.8019 0.5549 0.5 0.5549 0.8019 2.2471 -
n = 1
8 2.5627 0.9000 0.6013 0.5097 0.5097 0.6013 0.9000 2.5627
n = 1
−
* " L C
R = 1 Ω " " !7' ( 3 dB ก 48)
n
n
L
2
! 6.8 ก # 4' 6.21 ก ก S # 4 24 : ก 2 31
Ω
( $ ก n = 4, R = 50 , R = 50 Ω F = 8 MHz
L
S
L
"# $ ก 4' 6.3 !$ $ ก n = 3 " ! 4' 6.4
4
R S 50 Ω C 2 C 4
E R L 50 Ω
S L 1 L 3
2
# 4' 6.21 ก S # 4 24 n =
4
4' 6.4 " & !$ $ ก n = : ก 2 31
4
π R S L 1 n C n 2 L n 3 C n 4 L n 5 C n 6 L n 7 C n 8
n = 4 1.3065 0.5411 0.5411 1.3065 - - - -
−
( 180) 1
$
ก 4' 6.3
6.4 3 "
L = 1.3065, C n 2 = 0.5411, L n 3 = 0.5411, C n 4 = 1.3065;
1 n
ก
ก
ก
247
6.
*(!
"
R L
ก !ก (6.28) L = L n
π
2 F H
Ω
(ก
L = L 1 , L = L 1 n , R = 50 , F = F = 8 MHz;
H
L
L
n
×
R L 50 1.3065
L = L 1 n = = 1.30 µH
1
π
2 F × × × 6
L 2 3.14 8 10
×
R L 50 0.5411
L = L n 3 = = 0.538 µH
3 6
π
×
×
×
2 F L 2 3.14 8 10
C
ก !ก (6.29) C = n
π
2 F R
H L
(ก
C = C 2 , C = C n 2 , R = 50 , F = F = 8 MHz;
Ω
L
L
n
H
C 0.5411
C = n 2 = = 215.406 pF
2 6
π
×
×
×
2 F R 2 3.14 8 10 × 50
L L
C 1.3065
C = n 4 = = 520.103 pF
4
π
6
× ×
×
2 F R 2 3.14 8 10 × 50
L L
L = == = 1.30 µH, C = == = 215.406 pF, L = == = 0.538 µH, C = == = 520.103 pF, F = == = 8 MHz;
1 2 3 4 L
2
.
ก ! ;2
! (7 ก 4 6
;$ !ก 1$ 6
ก 7 ( ก 3889 3
# : ก " ก
2 ก 6
! % 6 ก ก
'
ก 6
!1'
2 ก !'" #
! ;2 6;
2 6; : ก 2 1'( C L6 ก 4 6
ก ก
2 5 H'ก 1$% \ 6 ก '( # $%
! ;2 6; !ก : ! !'ก 6; C L! กก 2 4 6
!'ก # '(
! ก (!6; 6 ( (ก 3889
2
8] 2 7#ก6; 6 ก ก " !7' ^ ! ก4' 2 4 %
2
ก S 4 24 ก 4' !'" !7' ก " !7' # S
2
ก S # 4 24 ก 4' !'" !7' # ก " !7' S
_____________________________
ก
ก
ก
248
6.
ก
ก
ก
ก
ก
ก
ก
.
ก .
4. ก : !
"#$ % & ' ก
# ( '
(, 2541.
%
ก ก ก กก
- . .
ก
. ก : / 01(2 3
,
2536.
% 6 6
7 "'
8 ( .
.
2. ก :
69
'0ก ก6 ก , 2534.
7 6 :
. ! กก ก " ก #$% &' (ก
ก ( ก* & + ). ก : ; 3
ก
ก
68 69
! !'( %
ก'< ( :8
%< # ' 1ก
, 2527.
6 7 >
'ก . ! กก . ก : / 01(2 3
, 2533.
8 ?% ( ก '.
-./ &' 0 2.
2. ก : ก @ 8, 2528.
6
2 8' "' 6
1 ( 6 7 >3
(. ! 0&'0 $ &. ก :
@6 ก6 / 8 , 2547.
6 7 3
( !; ( 1
,
ก1 6 ! 69 "' !8
! 6 ก . &' (ก
ก .
>
ก : 6; ' 1 < , 2528.
Bell, David A. Electronic Device & Circuits. Virginia : Reston Publishing Company, Inc., 1980.
Boylestad, Robert L. Electronic Devices and Circuit Theory. New Jersey : Prentice-Hall, Inc.,
2002.
Cirovic, Michael M. Basic Electronics. Virginia : Reston Publishing Company, Inc., 1962.
Coughlin, Robert F. Principle and Applications of Semiconductors and Circuits. New Jersey :
Prentice-Hall, Inc., 1971.
DeMaw, Doug. Practical RF Design Manual. New Jersey : Prentice-Hall, Inc., 1982.
Grebennikov, Andrei. RF and Microwave Power Amplifier Design. Singapore : McGraw-Hill,
Inc., 2005.
Li Tan and Jean Jiang. Fundamentals of analog and digital signal processing. USA :
AuthorHouse, 2007.
ก
ก
ก
250
ก
Lurch, Norman E. Fundamentals of Electronics. New York : John Wiley & Sons, Inc., 1987.
NEC. 2SC3355. [online]. Available from : http://www.datasheetcatalog.org/datasheet/nec/
2SC3355.pdf (Access date : March 1, 2007).
On Semiconductor. MMBD352LT1. [Online]. Available from : http://www.datasheetcatalog.org
/datasheet2/5/0wt42kriishd1l8g3e01ri113uwy.pdf (Access date : Feb 20, 2006).
Philips ECG. ECG Semiconductors Master Replacement Guide. 16th ed. USA : Philips ECG,
Inc., 1995.
Philips. BAP51-03. [Online]. Available from : http://www.datasheetcatalog.org/datasheet/Philips
/BAP51-03_3.pdf (Access date : Feb 20, 2006).
Philips. BB130. [Online]. Available from : http://www.datasheetcatalog.org/datasheet/philips
/BB130.pdf (Access date : Feb 20, 2006).
Philips. BB804. [Online]. Available from : http://www.datasheetcatalog.org/datasheet/philips
/BB804_2.pdf (Access date : Feb 20, 2006).
Sanyo. 2SC930. [Online]. Available from : http://www.datasheetcatalog.org/datasheet2
/28/287801_1.pdf (Access date : Feb 20, 2006).
Siemens. BAR64-04W. [Online]. Available from : http://www.datasheetcatalog.org/datasheet
/siemens/Q62702-A1266.pdf (Access date : Feb 20, 2006).
The International System of Units (SI) 8th edition 2006. [Online]. Available from : http :
//www.bipm.org/utils/common/pdf/si_brochure_8_en.pdf (Access date : Feb 20, 2006).
Toshiba. 2SK192A. [Online]. Available from : http://www.datasheetcatalog.org/datasheet
/toshiba/1422.pdf (Access date : Feb 20, 2006).
Vishay. 2N4416A. [Online]. Available from : http://www.datasheetcatalog.org/datasheet/vishay
/70242.pdf (Access date : Feb 20, 2006).
Vishay. SD0520-HT3. [Online]. Available from : http://www.datasheetcatalog.org/datasheet
/vishay/85755.pdf (Access date : Feb 20, 2006).
Yukuto. Ceramic Filter. [Online]. Available from : http://www.yukuto.com/product/ ceramic%
20resonator&%20filter/LT.pdf (Access date : Feb 20, 2006).
Zanger, Henry. Semiconductor Devices and Circuits. New York : John Wiley & Sons, Inc.,
1986.
___________________________
ก
ก
ก
251
ก
ก
ก.
ก
A-1 125 mW-2 W
5% ก 125 mW-2 W
Ω Ω Ω kΩ kΩ kΩ MΩ MΩ
1.0 10 100 1.0 10 100 1.0 10
- 11 110 1.1 11 110 - -
1.2 12 120 1.2 12 120 1.2 12
- 13 130 1.3 13 130 - -
1.5 15 150 1.5 15 150 1.5 15
1.6 16 160 1.6 16 160 - -
1.8 18 180 1.8 18 180 1.8 18
2.0 20 200 2.0 20 200 - -
2.2 22 220 2.2 22 220 2.2 22
2.4 24 240 2.4 24 240 - -
2.7 27 270 2.7 27 270 2.7 -
3.0 30 300 3.0 30 300 - -
3.3 33 330 3.3 33 330 3.3 -
3.6 36 360 3.6 36 360 - -
3.9 39 390 3.9 39 390 3.9 -
4.3 43 430 4.3 43 430 - -
4.7 47 470 4.7 47 470 4.7 -
5.1 51 510 5.1 51 510 - -
5.6 56 560 5.6 56 560 5.6 -
6.2 62 620 6.2 62 620 - -
6.8 68 680 6.8 68 680 6.8 -
7.5 75 750 7.5 75 750 - -
8.2 82 820 8.2 82 820 8.2 -
9.1 91 910 9.1 91 910 - -
ก
ก
ก
252
ก
A-2 3-20 W
ก )* 3 W, 5 W, 10 W, 12 W - . 20 W
Ω Ω Ω Ω kΩ kΩ kΩ
0.10 1.0 10 100 1.0 10 100
- 1.2 12 120 1.2 12 -
0.15 1.5 15 150 1.5 15 150
0.20 2.0 20 200 2.0 20 200
0.25 2.5 25 250 2.5 25 -
0.30 3.0 30 300 3.0 30 -
- 4.0 40 400 4.0 - -
0.5 5.0 50 500 5.0 50 -
- 7.5 75 750 7.5 75 -
A-3 / 0
/ 0
Ω Ω kΩ kΩ kΩ MΩ
10 100 1.0 10 100 1.0
20 200 2.0 20 200 2.0
- - 2.5 25 250 -
50 500 5.0 50 500 5.0
A-4 1ก2 / .345 60 ก - .17 6ก
1ก2 / .35 60 ก - .17 6ก - 0 ก .-) 50 V, 100 V, 300 V,
4
500 V, 600 V - .1000 V
pF pF pF µF µF µF
1 10 100 0.001 0.01 0.1
1.2 12 120 0.0012 0.012 0.2
1.5 15 150 0.0015 0.015 -
1.8 18 180 0.0018 0.018 -
2.2 22 220 0.0022 0.022 -
ก
ก
ก
253
ก
A-4 ( )
2.7 27 270 0.0027 0.027 -
3.3 33 330 0.0033 0.033 -
3.9 39 390 0.0039 0.039 -
4.7 47 470 0.0047 0.047 -
5.6 56 560 0.0056 0.056 -
6.8 68 680 0.0068 0.068 -
8.2 82 820 0.0082 - -
A-5 1ก2 / .345 60-
1ก2 / .34 5 60- ;5 ; <
)* - 0 ก .-) 6.3 V,
10 V, 16 V, 25 V - . 50 V
µF µF µF µF
0.10 1.0 10 100
0.15 1.5 15 150
0.22 2.2 22 220
0.33 3.3 33 330
0.47 4.7 47 -
0.68 6.8 68 -
4
A-6 1ก2 / .3 5 60 61 2ก= 6 6ก
1ก2 / .3 5 60 1 2ก= 6 6ก 1> .ก <
)* -ก =0?;5 -
4
6
- 0 ก .-) 10 V, 16 V, 25 V, 50 V, 160 V, 250 V - . 400 V
µF µF µF µF µF
1.0 10 100 1,000 10,000
1.5 15 150 1,500 15,000
2.2 22 220 2,200 22,000
3.3 33 330 3,300 33,000
4.7 47 470 4,700 47,000
6.8 68 680 6,800 68,000
ก
ก
ก
254
ก
A-7 1ก2 / .34 5 60 - .@
7
A
4
1ก2 / .3 5 60 - .@
7
A 1> .ก <
)*
µF µF µF µF
0.0010 0.010 0.1 1.0
0.0012 0.012 0.12 -
0.0015 0.015 0.15 1.5
0.0018 0.018 0.18 -
0.0022 0.022 0.22 -
0.0027 0.027 0.27 -
0.0033 0.033 0.33 -
0.0039 0.039 0.39 -
0.0047 0.047 0.47 -
0.0056 0.056 0.56 -
0.0068 0.068 0.68 -
0.0082 0.082 0.82 -
ก
ก
ก
255
ก
.
ก
!
ก
ก
ก
256
ก
ก
ก
ก
257
ก
MMBD352LT1 MMBD353LT1 MMBD354LT1 MMBD355LT1
ก
ก
ก
258
ก
ก
ก
ก
259
ก
ก
ก
ก
260
ก
ก
ก
ก
261
ก
ก
ก
ก
262
ก
ก
ก
ก
263
ก
ก
ก
ก
264
ก
ก
ก
ก
265
ก
ก
ก
ก
266
ก
ก
ก
ก
267
ก
ก
ก
ก
268
ก
ก
ก
ก
269
ก
ก
ก
ก
270
ก
ก
ก
ก
271
ก
ก
ก
ก
272
ก
ก
ก
ก
273
ก
ก
ก
ก
274
ก
ก
ก
ก
275
ก
Ceramic Filter 4.5-6.5 MHz
3 dB 20 dB Insertion In/Output
PART NO. Nominal Frequency Bandwidth Bandwidth Loss Impedance
(fn)(MHz) (KHz) min. (KHz) max. (dB) max. (Ohm)
SFE 4.5MB 4.500 fn ±60 600 6.0 1000
SFE 5.5MB 5.500 fn ±60 600 6.0 600
SFE 6.0MB 6.000 fn ±60 600 6.0 470
SFE 6.5MB 6.500 fn ±70 650 6.0 470
____________________________
ก
ก
ก
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