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PDF CFS455F Datasheet ( Hoja de datos )

Número de pieza CFS455F
Descripción FILTERS
Fabricantes Murata Electronics 
Logotipo Murata Electronics Logotipo

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CFS455F Hoja de datos, Descripción, Manual
FILTERS
FOR COMMUNICATIONS EQUIPMENT–RESIN MOLDED,
MULTI-ELEMENT – CFJ/CFS/CFL455kHz
The following lines of filters are high
performance devices that achieve
ultimate stopband attenuation through
the use of multiple piezoelectric
elements connected in ladder form.
A few of the recommended applications
for these filters include high class
receivers, SSB communications
equipment, pocket pagers and
mobile radios.
CFJ455K 11 Ceramic Elements
CFS455 15 Element Filters
CFL455 9 Element Filters
(GDT Improved)
DIMENSIONS: mm
CFJ455K
23.5
1.2
4 – .8 Dia.
10.5
4.0
CFS455
29.0
1.5
4 – .8 Dia.
10.5
3.98
CFL455G
16.5
10.5
1.5
4 – .5 Dia.
4.0
ቢቤ
ባብ
20.0
4.0 7.5
ቢቤ
ባብ
26.0
4.0 7.5
14.2
4.2 7.4
Note: For safety purposes, connect the output of filters to the IF amplifier through a DC blocking capacitor. Avoid applying a direct current to the output of ceramic filters.
SPECIFICATIONS
Part
Number
Nominal Center 3dB
Frequency Bandwidth
(kHz) (kHz) min.
6dB
Bandwidth
(kHz) min.
Ripple
(dB) max.
Bandwidth
(kHz) At
max. (dB)
CFJ455K5
455
— 2.4 (Total) 2 4.5 (Total)
CFJ455K14
455
— ±1.1 ~ ±1.3 2 4.5 (Total) 60
CFJ455K8
CFS455A
CFS455B
CFS455C
CFS455D
CFS455E
CFS455F
CFS455G
CFS455H
CFS455I
CFS455J
CFL455BG5
CFL455CG1
CFL455DG2
CFL455EG1
455
455
455
455
455
455
455
455
455
455
455
455
455
455
455
— 1.0 (Total)
±13 ±17.5
±10 ±15
±9 ±13
±7 ±10
±5.5 ±8
±4.2 ±6
— ±4
— ±3
— ±2
— ±1.5
±10.5 ±13.5
±9.5 ±12.0
±7.0 ±9.0
±5.0 ±7.0
1.5 3.0 (Total)
3 ±30
3 ±25
3 ±23
3 ±20
3
3
±15
±12
80
3 ±9
3 ±7.5
3 ±5
3 ±4.5
0.5 ±100
0.5
0.5
±25.5
±100
60
0.5 ±18
Attenuation Spurious Insertion Input/Output Group Delay
455±100kHz 0.1~1MHz Loss Impedance Time Dev.
(dB) min. (dB) min. (dB) max. () sec. max. (kHz)
60
40 at 600
~ 700kHz
6
60
40 at 600
~ 700kHz
7
2000
2000
60 — 8 2000
70 50 4 1500
70 50 4 1500
70 50 4 1500
70 50 4 1500
70 50 6 1500
70 50 6 2000
70 50 6 2000
70 50 7 2000
70 50 8 2000
60 50 8 2000
60 30 10 1000 25(455±10.5)
60 30 10 1000 35(455±9.5)
60 30 11 1000 35(455±7)
60 30 13 1500 30(455±5)
PART NUMBERING SYSTEM
CFJ/CFS/CFL
455 K5 D DG2
SERIES
FREQUENCY
in kHz
BANDWIDTH
(CFJ)
BANDWIDTH
(CFS)
BANDWIDTH
(CFL)
̆Applicable in North American market only. ̄Applicable in European market only.
For more detailed information regarding this product line in North America, see Catalog No. P-05-D. To receive additional information on Murata Products call 1-800 -831-9172.
For more detailed information regarding this product line in Europe, see Catalog No. P05E-8.
122

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