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LTM455FU PDF预览

LTM455FU

更新时间: 2024-11-06 05:44:07
品牌 Logo 应用领域
ECS 过滤器LTE
页数 文件大小 规格书
1页 278K
描述
4 ELEMENT CERAMIC FILTER

LTM455FU 技术参数

是否Rohs认证: 符合生命周期:Obsolete
Reach Compliance Code:compliant风险等级:5.65
最大衰减频率 (+/- delta f):355 kHz最大频率时的衰减:27 dB
中心频率或截止频率 (fo/fc):0.455 MHz滤波器类型:CERAMIC BPF
高度:6.5 mm输入/输出阻抗:2000 OHM
最大插入损耗:6 dB长度:7 mm
安装类型:THROUGH HOLE MOUNT物理尺寸:L7.0XB7.0XH6.5 (mm)/L0.276XB0.276XH0.256 (inch)
宽度:7 mmBase Number Matches:1

LTM455FU 数据手册

  
LTM455U SERIES 4 ELEMENT CERAMIC FILTER  
Ultra small size high selectivity type ceramic  
filter for communication use.  
FEATURES  
• Ultra small size  
• 6.5 mm profile  
• Bandwidths from 4KHz to 30KHz available  
• RoHS Compliant (Note 7 exemption)  
• 4 elements  
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS  
CENTER  
FREQUENCY  
(KHz)  
INSERTION  
LOSS  
PASS BAND  
RIPPLE  
6 dB  
40 dB  
BANDWIDTH  
(dB) MAX.  
STOP BAND ATT.  
±±00KHꢀ  
INPUT / OUTPUT  
IMPEDANCE  
()  
BANDWIDTH  
(KHz) MIN.  
PART NUMBER  
(dB) MAX.  
(dB) MAX.  
(dB) MIN.  
LTM455BU  
LTM455CU  
LTM455DU  
LTM455EU  
LTM455FU  
LTM455GU  
LTM455HU  
LTM455IU  
LTM45HTU  
LTM45ITU  
455 ±±2.  
455 ±±2.  
455 ±ꢀ25  
455 ±ꢀ25  
455 ±ꢀ25  
455 ±ꢀ2.  
455 ±ꢀ2.  
455 ±ꢀ2.  
455 ±ꢀ2.  
455 ±ꢀ2.  
4
4
4
6
6
6
6
6
6
6
±
±
±
±
±
±
±
±
±
±
±ꢀ5  
±ꢀ±25  
±ꢀ.  
±725  
±6  
±425  
±ꢁ  
±±  
±ꢁ.  
±±4  
±±.  
±ꢀ5  
±ꢀ±25  
±ꢀ.  
±ꢂ  
±725  
±ꢂ  
±725  
±7  
±7  
±7  
±7  
±7  
±5  
±5  
±5  
ꢁ5  
ꢁ5  
ꢀ5..  
ꢀ5..  
ꢀ5..  
ꢀ5..  
±...  
±...  
±...  
±...  
±...  
±...  
±ꢁ  
±±  
PACKAGE DIMENSIONS (mm)  
7
INPUT  
1
OUTPUT  
2
7
R1  
LTMU  
3
4
Rg  
RF  
V.M.  
GROUND GROUND  
R2  
S.S.G.  
0.8  
Rg+R1=R2=input/output impedance  
Figure 2) LTM455U Measuring Circuit  
1.8 0.8  
2
4.3  
2.4  
0
10  
20  
30  
40  
50  
60  
1
Connection  
LTM455BU  
Input  
1
2
3
4
LTM455EU  
LTM455HU  
Output  
Ground  
Ground  
3
4
2.4 1.8 0.8  
410 420 430 440 450 460 470 480 490 500  
Figure 1) LTM455U – Front, Side and Bottom views  
Frequency (KHz)  
Figure 3) LTM455U Characteristics  
Note: To avoid potential problems, connect the output to an IF amplifier  
through a DC cut capacitor.  
Avoid applying a direct current to output end of the ceramic filters  
(between and ).  
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM  
CERAMIC FILTERS 80 CERAMIC FILTERS  

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Ceramic BPF, 0.455MHz, ROHS COMPLIANT, CERAMIC PACKAGE-4