파트넘버.co.kr BLFYM455B 데이터시트 PDF


BLFYM455B 반도체 회로 부품 판매점

(LFYM Series) AM Ceramic Filters



TOKO 로고
TOKO
BLFYM455B 데이터시트, 핀배열, 회로
www.DataSheet4U.com
16
TYPE
LFY
LFYM
TYPE LFY,LFYM
AM Ceramic Filters
Meeting Your Needs
LFY LFYM
Unit: mm
Unit: mm
Description
• AM Ceramic filters are connected in a ladder structure
and are available as either 4/6 element devices
• Bandwidths from 6 to 30 kHz
Frequency Response
LFY / LFYM (6 element)
0
Features
20
• 450, 455 kHz, (460kHz and 486kHz by Special request)
• High Selectivity
40
• Compact Package
www.DataSheet4U.com• Version with group delay variations specified also available
60
Bandwidth
Applications
• AM radio cassettes, AM stereo sets
• Cordless telephones, Pagers, Cellular phones
• Two-way radios
80
CEH
100
415 425 435 445 455 465 475 485 495
Rank:
C = ±12.5kHz
E = ±7.5kHz
H = ±3kHz
Frequency (kHz)
STANDARD FILTERS SELECTION GUIDE
TYPE LFY/LFYM
TOKO
Part
Number
Center *
Frequency
(kHz)
Bandwidth
at 6 dB
(kHz)
LFY
ALFY455H
ALFY455G
ALFY455F
ALFY455E
BLFY455D
BLFY455C
BLFY455B
LFYM
ALFYM455H
ALFYM455G
ALFYM455F
ALFYM455E
BLFYM455D
BLFYM455C
BLFYM455B
455±1.0
455±1.0
455±1.0
455±1.0
455±2.0
455±2.0
455±2.0
455±1.0
455±1.0
455±1.0
455±1.0
455±2.0
455±2.0
455±2.0
±3.0 min.
±4.5 min.
±6.0 min.
±7.5 min.
±10.0 min.
±12.5 min.
±15.0 min.
±3.0 min.
±4.5 min.
±6.0 min.
±7.5 min.
±10.0 min.
±12.5 min.
±15.0 min.
* For 450kHz, substitute 450 for 455 in part number.
Bandwidth
at 50 dB
(kHz)
±9.0 min.
±10.0 min.
±12.5 min.
±15.0 min.
±20.0 min.
±24.0 min.
±30.0 min.
±9.0 min.
±10.0 min.
±12.5 min.
±15.0 min.
±20.0 min.
±24.0 min.
±30.0 min.
Attenuation
fo ± 100 KHz
(dB)
35.0 max.
35.0 max.
35.0 max.
35.0 max.
35.0 max.
35.0 max.
35.0 max.
35.0 max
35.0 max
35.0 max
35.0 max
35.0 max
35.0 max
35.0 max
Insertion
Loss
(dB)
6.0 max.
6.0 max.
6.0 max.
6.0 max.
4.0 max.
4.0 max.
4.0 max.
6.0 max.
6.0 max.
6.0 max.
6.0 max.
4.0 max.
4.0 max.
4.0 max.
Input/Output
Impedance
(k)
2.0
2.0
2.0
1.5
1.5
1.5
1.5
2.0
2.0
2.0
1.5
1.5
1.5
1.5
LFY
Test circuit 50Rg
SG.
R1 5
12 34
R2
E1
E2
E.V.
1.800.PIK.TOKO
DataSheet4 U .com
Z = Rg + R1 =R2
www.tokoam.com
LFYM
Test circuit
50Rg
R1
SG. E1
12
4
35
R2
E2
1.847.297.0070
Z = Rg + R1 =R2
Test conditions
E.V. 1. C includes test circuit capacitance.
2. R1, R2: Input-output impedance
Cs: Stray capacitance
(less than 50pF, including EV)
wwRw-L.ODGa0t5a0S2hAeet4U.com




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