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4DFB Datasheet(PDF) 1 Page - TOKO, Inc

Part # 4DFB
Description  Dielectric Filters for Surface Mounting
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Manufacturer  TOKO [TOKO, Inc]
Direct Link  http://www.toko.com
Logo TOKO - TOKO, Inc

4DFB Datasheet(HTML) 1 Page - TOKO, Inc

  4DFB Datasheet HTML 1Page - TOKO, Inc 4DFB Datasheet HTML 2Page - TOKO, Inc 4DFB Datasheet HTML 3Page - TOKO, Inc  
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Dielectric Filters for Surface Mounting
実装
づけ
用 小型誘電体フィルタ
TYPE
#4DFA
#4DFB
17.5
14.5
11.5
1
GND
GND
OUT
IN
5
*: Depends on Center Frequency.
*: 長さは周波数に依存します。
#4DFB-915E-10
Center Frequency: 915MHz  
  Span: 200MHz
0
5
10
15
20
25
30
35
40
45
50
0
5
10
15
20
25
30
35
40
45
50
Attenuation
Return loss
(Unit: mm)
12.5
5
9.6
7
GND
GND
GND
1
OUT
IN
TYPE #4DFA (2 Pole SMD Type) / #4DFB (3 Pole Type)
Frequency Range:
700~2500MHz
Temperature Range: − 40°C~+ 85°C
Typical Characteristics 代表特性例
SELECTION GUIDE FOR STANDARD DEVICES
• The Part Number shown in the table below are standard devices, which are
readily available. TOKO will design and manufacture modified and custom
devices with specific characteristics to meet your requiements.
If you do not find the devices for your application in this catalog, please
contact our sales or representative office.
• RoHS compliant
• 下記の表に示す製品番号は標準品です。TOKOは、お客様のご要望に合わせ設計、製作
致しますので、お客様の用途に適合する仕様が見当たらない場合は、当社営業所または
代理店にご連絡下さい。
• RoHS指令対応
*: Depends on Center Frequency.
*: 長さは周波数に依存します。
#4DFA-1575B-10
Center Frequency: 1,575.4MHz  
  Span: 300MHz
0
5
10
15
20
25
30
35
40
45
50
0
5
10
15
20
25
30
35
40
45
50
Attenuation
Return loss
(Unit: mm)
#4DFA
#4DFB
#4DFA-886A-10
886.0
± 1.0
3.0
1.0
2.0
22 (fo ± 45)
Cordless Phone
#4DFA-808C-11
808.0
± 8.0
2.0
1.0
2.0
22 (fo ± 64)
Wireless Microphon
#4DFA-849C-10
849.0
± 8.0
2.0
1.0
2.0
22 (fo ± 64)
Wireless Microphon
#4DFA-915E-10
915.0
± 13.0
2.2
1.0
2.0
18 (fo ± 77.5)
Spread Spectrum
#4DFA-1227B-10
1227.0
± 5.0
2.0
0.8
2.0
7, 30 (fo ± 35, ± 140) GPS
TYPE #4DFA: SMD 2 Pole Designs
東光品番
中心周波数
帯域幅
挿入損失
帯域内リップル
V.S.W.R.
選択度
応用例
#4DFA-836E-10
836.5
± 12.5
2.0
1.0
2.0
18 (fo ± 77.5)
AMPS
#4DFA-881E-10
881.5
± 12.5
2.0
1.0
2.0
18 (fo ± 77.5)
AMPS
#4DFA-902E-10
902.5
± 12.5
2.0
1.0
2.0
18 (fo ± 77.5)
NMT/GSM
#4DFA-947E-10
947.5
± 12.5
2.0
1.0
2.0
18 (fo ± 77.5)
NMT/GSM
#4DFA-866A-10
866.0
± 2.0
3.0
1.0
1.43
30 (fo − 105)
CT2
TOKO
Part
Number
Center
Frequency
(MHz)
Insertion
Loss
(dB) Max.
Ripple
in BW
(dB) Max.
V.S.W.R.
in BW
Max.
Application
Bandwidth
(fo ± MHz)
Selectivity
(dB) Min. (MHz)
#4DFA-1227B-11
1227.0
± 5.0
1.2: 0.7 Typ.
0.5
2.0
15, 20 (fo + 140, − 140) GPS
#4DFA-1227D-12 1227.0
± 10.0
1.2: 0.7 Typ.
0.7
2.0
16, 20 (fo + 140, − 140) GPS
#4DFA-1248B-10
1248.0
± 5.0
2.0: 1.4 Typ.
0.8
2.0
7, 30 (fo ± 35, ± 140) GPS
#4DFA-1575B-10
1575.4
± 5.0
2.0: 1.4 Typ.
0.8
2.0
7, 30 (fo ± 35, ± 140) GPS
#4DFA-1575B-12
1575.4
± 5.0
1.2: 0.7 Typ.
0.5
2.0
17, 20 (fo + 140, − 140) GPS
#4DFA-1575B-14
1575.4
± 5.0
2.5: 1.8 Typ.
0.8
2.0
17 (fo ± 50)
GPS
#4DFA-1550L-10
1550.0
± 30.0
1.2: 0.7 Typ.
0.7
2.0
12,16 (fo + 150, − 150) MCSS
#4DFA-2442P-10
2442.0
± 40.0
2.5
1.0
2.0
15 (fo ± 250)
Spread Spectrum
#4DFA-2642E-11
2642.5
± 12.5
2.0: 1.4 Typ.
0.8
2.0
36,38 (fo + 500, − 500) Mobile Broadcast
入出力インピーダンス/Input Output impedance : 50Ω


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