Dielectric Filters for Surface Mounting
面実づ 装け 用 小型誘電体フィルタ
TYPE
#4DFA
#4DFB
TYPE #4DFB: SMD 3 Pole Designs
東光品番
中心周波数
帯域幅
挿入損失
TOKO
Part
Number
Center
Frequency
Bandwidth
(MHz) (fo ± MHz)
#4DFB-704E-10
#4DFB-790H-10
#4DFB-796E-10
#4DFB-836E-10
#4DFB-881E-10
704.0
790.0
796.0
836.5
881.5
± 12.0
± 20.0
± 14.0
± 12.5
± 12.5
#4DFB-886A-10
#4DFB-953A-10
#4DFB-915E-10
#4DFB-1030C-10
#4DFB-1227D-10
886.0
953.5
915.0
1030.0
1227.0
± 1.0
± 1.5
± 13.0
± 7.5
± 10.0
#4DFB-1575D-10
#4DFB-1542G-10
#4DFB-1643G-10
#4DFB-1747N-10
#4DFB-1842N-10
1575.0
1542.0
1643.5
1747.5
1842.5
± 10.0
± 17.0
± 17.0
± 35.0
± 35.0
#4DFB-1950L-10
#4DFB-2140L-10
#4DFB-2442P-10
#4DFB-920A-11
#4DFB-860D-10
1950.0
2140.0
2442.0
920.0
860.0
± 30.0
± 30.0
± 40.0
± 2.5
± 10.0
#4DFB-938A-13 938.0
± 3.0
入出力インピーダンス/Input Output impedance : 50Ω
Insertion
Loss
(dB) Max.
3.0
2.7
3.0
2.5
2.5
4.5
6.0
2.7
3.2
3.2
3.2
2.0
1.6
2.0
2.0
3.0
3.0
2.5
5.0
2.5
2.0
帯域内リップル
Ripple
in BW
(dB) Max.
1.0
1.1
1.0
1.0
1.0
1.0
1.5
1.0
1.0
1.0
1.0
1.0
0.5
1.2
1.2
1.0
1.0
1.2
1.0
0.8
1.0
V.S.W.R.
選択度
応用例
V.S.W.R.
in BW
Max.
Selectivity
(dB) Min. (MHz)
Application
2.0
40,43 (fo − 100, + 100) Wireless Microphon
2.5
35 (fo ± 100)
Wireless Microphon
2.0
40,43 (fo − 100, + 100) Wireless Microphon
2.0
12 (fo ± 32.5)
AMPS
2.0
12 (fo ± 32.5)
AMPS
2.0
41 (fo ± 45)
Cordless Phone
2.0
30 (fo ± 30)
RFID
2.0
12 (fo ± 32.5)
Spread Spectrum
1.6 20, 50 (fo ± 35, ± 140) TCAS
2.0 12, 40 (fo ± 35, ± 140) GPS
2.0 12, 40 (fo ± 35, ± 140) GPS
2.0
17 (fo ± 84.5)
MCSS/INMARSAT
1.5 18, 28 (fo − 67, + 108) MCSS/INMARSAT
2.0 12, 38 (fo ± 100, ± 350) PCN
2.0 24, 38 (fo ± 157, ± 350) PCN
1.0 25, 25 (fo − 230, + 160) W-CDMA
2.0 30, 22 (fo − 340, − 160) W-CDMA
2.0
5, 32 (fo ± 80, ± 250) Spread Spectrum
2.0 50, 18 (fo − 88, ± 20) Digital TV
2.0 15, 35 (fo ± 35, ± 80) LMR
2.0 18, 13 (fo − 36, + 36) LMR