4DFA Datasheet, PDF (1/3 Pages) TOKO, Inc – Dielectric Filters for Surface Mounting

Dielectric Filters for Surface Mounting
໘࣮^ͮ ૷^͚ ༻ খܕ༠ిମϑΟϧλ
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.}
* ^{: ௕͞͸प೾਺ʹґଘ͠·͢ɻ}
Typical Characteristics ୅දಛੑྫ
#4DFA-1575B-10
0
0
5
5
10
10
15
15
20
20
25
25
Attenuation
30
Return loss
30
35
35
40
40
45
45
50
50
Center Frequency: 1,575.4MHz ɹ















ɹ Span: 300MHz
17.5
14.5
GND
OUT
1
GND
11.5
IN
5
(Unit: mm)
* ^{: Depends on Center Frequency.}
* ^{: ௕͞͸प೾਺ʹґଘ͠·͢ɻ}
#4DFB-915E-10
0
0
5
5
10
10
15
15
20
20
25
25
Attenuation
30
30
35
35
40
Return loss
40
45
45
50
50
Center Frequency: 915MHz ɹ





















ɹ 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
• Լهͷදʹࣔ͢੡඼൪߸͸ඪ४඼Ͱ͢Ň50,0͸Ŋ͓٬༷ͷ͝ཁ๬ʹ߹ΘͤઃܭŊ੡࡞
க͠·͢ͷͰŊ͓٬༷ͷ༻్ʹద߹͢Δ࢓༷͕ݟ౰ͨΒͳ͍৔߹͸Ŋ౰ࣾӦͨ·ॴۀ͸
୅ཧళʹ͝࿈བྷԼ͍͞ɻ
• 3P)4ࢦྩରԠ
TYPE #4DFA: SMD 2 Pole Designs
౦ޫ඼൪
TOKO
Part
Number
த৺प೾਺
ଳҬ෯
Center
Frequency
Bandwidth
(MHz) (fo ± MHz)
ૠೖଛࣦ
Insertion
Loss
(dB) Max.
ଳҬ಺Ϧοϓϧ
Ripple
in BW
(dB) Max.
7483
V.S.W.R.
in BW
Max.
બ୒౓
Selectivity
(dB) Min. (MHz)
Ԡ༻ྫ
Application
#4DFA-836E-10 836.5
± 12.5
2.0
1.0
#4DFA-881E-10 881.5
± 12.5
2.0
1.0
#4DFA-902E-10 902.5
± 12.5
2.0
1.0
#4DFA-947E-10 947.5
± 12.5
2.0
1.0
#4DFA-866A-10 866.0
± 2.0
3.0
1.0
#4DFA-886A-10 886.0
± 1.0
3.0
1.0
#4DFA-808C-11 808.0
± 8.0
2.0
1.0
#4DFA-849C-10 849.0
± 8.0
2.0
1.0
#4DFA-915E-10 915.0
± 13.0
2.2
1.0
#4DFA-1227B-10 1227.0
± 5.0
2.0
0.8
#4DFA-1227B-11 1227.0
± 5.0 1.2: 0.7 Typ.
0.5
#4DFA-1227D-12 1227.0
± 10.0 1.2: 0.7 Typ.
0.7
#4DFA-1248B-10 1248.0
± 5.0 2.0: 1.4 Typ.
0.8
#4DFA-1575B-10 1575.4
± 5.0 2.0: 1.4 Typ.
0.8
#4DFA-1575B-12 1575.4
± 5.0 1.2: 0.7 Typ.
0.5
#4DFA-1575B-14 1575.4
± 5.0 2.5: 1.8 Typ.
0.8
#4DFA-1550L-10 1550.0
± 30.0 1.2: 0.7 Typ.
0.7
#4DFA-2442P-10 2442.0
± 40.0
2.5
1.0
#4DFA-2642E-11 2642.5
± 12.5 2.0: 1.4 Typ.
0.8
ೖग़ྗΠϯϐʔμϯεʗ*OQVU
0VUQVU
JNQFEBODF

Њ
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