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4DFA PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 4DFA
部品説明 (4DFA / 4DFB) Dielectric Filters
メーカ TOKO
ロゴ TOKO ロゴ 



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4DFA Datasheet, 4DFA PDF,ピン配置, 機能
Dielectric Filters for Surface Mounting
TYPE
#4DFA
#4DFB
TYPE #4DFA (2 Pole SMD Type) / #4DFB (3 Pole Type)
Frequency Range: 700~2500MHz
Temperature Range: 40°C~+ 85°C
#4DFA
#4DFB
12.5
9.6
GND
GND
OUT
1 GND IN
7
5
(Unit: mm)
* : Depends on Center Frequency.
*:
Typical Characteristics
#4DFA-1575B-10
0
5
10
15
20
25
Attenuation
30
35
Return loss
40
45
50
Center Frequency: 1,575.4MHz
0
5
10
15
20
25
30
35
40
45
50
Span: 300MHz
GND
17.5
14.5
OUT
1
GND
11.5 IN
5
(Unit: mm)
* : Depends on Center Frequency.
*:
www.DataSheet4U.com
#4DFB-915E-10
0
5
10
15
20
25
Attenuation
30
35
40 Return loss
45
50
Center Frequency: 915MHz
0
5
10
15
20
25
30
35
40
45
50
Span: 200MHz
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
TYPE #4DFA: SMD 2 Pole Designs
TOKO
Part
Number
Center
Frequency
Bandwidth
(MHz) (fo ± MHz)
#4DFA-836E-10
#4DFA-881E-10
#4DFA-902E-10
#4DFA-947E-10
#4DFA-866A-10
836.5
881.5
902.5
947.5
866.0
± 12.5
± 12.5
± 12.5
± 12.5
± 2.0
#4DFA-886A-10
#4DFA-808C-11
#4DFA-849C-10
#4DFA-915E-10
#4DFA-1227B-10
#4DFA-1227B-11
#4DFA-1227D-12
#4DFA-1248B-10
#4DFA-1575B-10
#4DFA-1575B-12
#4DFA-1575B-14
#4DFA-1550L-10
#4DFA-2442P-10
#4DFA-2642E-11
886.0
808.0
849.0
915.0
1227.0
1227.0
1227.0
1248.0
1575.4
1575.4
1575.4
1550.0
2442.0
2642.5
± 1.0
± 8.0
± 8.0
± 13.0
± 5.0
± 5.0
± 10.0
± 5.0
± 5.0
± 5.0
± 5.0
± 30.0
± 40.0
± 12.5
Insertion
Loss
(dB) Max.
2.0
2.0
2.0
2.0
3.0
3.0
2.0
2.0
2.2
2.0
1.2: 0.7 Typ.
1.2: 0.7 Typ.
2.0: 1.4 Typ.
2.0: 1.4 Typ.
1.2: 0.7 Typ.
2.5: 1.8 Typ.
1.2: 0.7 Typ.
2.5
2.0: 1.4 Typ.
Ripple
in BW
(dB) Max.
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.8
0.5
0.7
0.8
0.8
0.5
0.8
0.7
1.0
0.8
V.S.W.R.
in BW
Max.
Selectivity
(dB) Min. (MHz)
Application
2.0
18 (fo ± 77.5)
AMPS
2.0
18 (fo ± 77.5)
AMPS
2.0
18 (fo ± 77.5)
NMT/GSM
2.0
18 (fo ± 77.5)
NMT/GSM
1.43 30 (fo 105) CT2
2.0 22 (fo ± 45) Cordless Phone
2.0 22 (fo ± 64) Wireless Microphon
2.0 22 (fo ± 64) Wireless Microphon
2.0
18 (fo ± 77.5)
Spread Spectrum
2.0 7, 30 (fo ± 35, ± 140) GPS
2.0 15, 20 (fo + 140, 140) GPS
2.0 16, 20 (fo + 140, 140) GPS
2.0 7, 30 (fo ± 35, ± 140) GPS
2.0 7, 30 (fo ± 35, ± 140) GPS
2.0 17, 20 (fo + 140, 140) GPS
2.0 17 (fo ± 50) GPS
2.0 12,16 (fo + 150, 150) MCSS
2.0
15 (fo ± 250)
Spread Spectrum
2.0 36,38 (fo + 500, 500) Mobile Broadcast

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