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| 型号： | LTM455BW |
| 厂商： | ECS INC INTERNATIONAL |
| 英文描述： | 0.455 MHz, CERAMIC BPF |
| 封装： | ROHS COMPLIANT PACKAGE-5 |
| 文件页数： | 1/1页 |
| 文件大小： | 304K |
| 代理商： | LTM455BW |
81
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 913-782-7787 800-237-1041 FAX 913-782-6991 WWW.ECSXTAL.COM
CERAMIC FILTERS
LTM455W SERIES
6 ELEMENT CERAMIC FILTER
7.1
6.3
2.2
9.5
6.4
4.3
3
4
5
2
1
Connection
Input
Ground
Output
Ground
3
4
5
2
1
2.6
2.9
7.1
Figure 1) LTM455W – Front, Side and Bottom views
Ultra small size high selectivity type ceramic
filter for communication use.
FEATURES
Ultra small size
6.3 mm profile
Broad bandwidth
RoHS Compliante (Note 7 exemption)
6 elements
Rg
Rg+R1=R2=input/output impedance
S.S.G.
LTM
V.M.
RF
R2
1
2
3
4
5
Figure 2) LTM455W – Measuring Circuit
Frequency (KHz)
Attenuation
(dB)
0
10
20
30
40
50
60
410
420
430
440
450
460
470
480
490
500
LTM455BW
LTM455EW
LTM455HW
Figure 3) LTM455W – Characteristics
PACKAGE DIMENSIONS (mm)
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
CENTER
INSERTION
PASS BAND
6 dB
50 dB
STOP BAND ATT.
INPUT / OUTPUT
PART NUMBER
FREQUENCY
LOSS
RIPPLE
BANDWIDTH
±100KHZ
IMPEDANCE
(KHz)
(dB) MAX.
(KHz) MIN.
(dB) MAX.
(dB) MIN.
(
)
LTM455BW
455 ±2.0
4
2
±15
±30
45
1500
LTM455CW
455 ±2.0
4
2
±12.5
±24
45
1500
LTM455DW
455 ±1.5
4
2
±10
±20
45
1500
LTM455EW
455 ±1.5
6
2
±7.5
±15
45
1500
LTM455FW
455 ±1.5
6
2
±6
±12.5
45
2000
LTM455GW
455 ±1.5
6
2
±4.5
±10
45
2000
LTM455HW
455 ±1.0
6
2
±3
±9
45
2000
LTM455IW
455 ±1.0
6
2
±2
±7.5
45
2000
LTM455HTW
455 ±1.0
6
2
±3
±9
60
2000
LTM455ITW
455 ±1.0
6
2
±2
±7.5
60
2000
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 y{).
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTM455CU | 功能描述:信号调节 CERAMIC FILTER RoHS:否 制造商:EPCOS 产品:Duplexers 频率:782 MHz, 751 MHz 频率范围: 电压额定值: 带宽: 阻抗:50 Ohms 端接类型:SMD/SMT 封装 / 箱体:2.5 mm x 2 mm 工作温度范围:- 30 C to + 85 C 封装:Reel |
| LTM-455CU | 制造商:EUROQUARTZ 制造商全称:EUROQUARTZ limited 功能描述:CERAMIC FILTER |
| LTM455CW | 制造商:EUROQUARTZ 制造商全称:EUROQUARTZ limited 功能描述:CERAMIC FILTER |
| LTM455DU | 功能描述:信号调节 455KHz BW 15KHz @ 6dB RoHS:否 制造商:EPCOS 产品:Duplexers 频率:782 MHz, 751 MHz 频率范围: 电压额定值: 带宽: 阻抗:50 Ohms 端接类型:SMD/SMT 封装 / 箱体:2.5 mm x 2 mm 工作温度范围:- 30 C to + 85 C 封装:Reel |
| LTM-455DU | 制造商:EUROQUARTZ 制造商全称:EUROQUARTZ limited 功能描述:CERAMIC FILTER |
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