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参数资料
| 型号： | LTM455CU |
| 厂商： | ECS INC INTERNATIONAL |
| 英文描述： | 0.455 MHz, CERAMIC BPF |
| 封装： | ROHS COMPLIANT PACKAGE-4 |
| 文件页数： | 1/1页 |
| 文件大小： | 277K |
| 代理商： | LTM455CU |
80
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 913-782-7787 800-237-1041 FAX 913-782-6991 WWW.ECSXTAL.COM
CERAMIC FILTERS
LTM455U SERIES
4 ELEMENT CERAMIC FILTER
2.4 1.8 0.8
7
6.5
4
7
4.3
0.8
4.3
4
3
2
1
Connection
Input
Ground
Output
Ground
3
4
2
1
2.4
1.8 0.8
Figure 1) LTM455U – Front, Side and Bottom views
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
R1
Rg
GROUND
INPUT
OUTPUT
Rg+R1=R2=input/output impedance
S.S.G.
LTMU
RF
V.M.
R2
1
2
3
4
Figure 2) LTM455U – Measuring Circuit
Frequency (KHz)
Attenuation
(dB)
0
10
20
30
40
50
60
410
420
430
440
450
460
470
480
490
500
LTM455BU
LTM455EU
LTM455HU
Figure 3) LTM455U – Characteristics
PACKAGE DIMENSIONS (mm)
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
CENTER
INSERTION
PASS BAND
6 dB
40 dB
STOP BAND ATT.
INPUT / OUTPUT
PART NUMBER
FREQUENCY
LOSS
RIPPLE
BANDWIDTH
±100KHZ
IMPEDANCE
(KHz)
(dB) MAX.
(KHz) MIN.
(dB) MAX.
(dB) MIN.
(
)
LTM455BU
455 ±2.0
4
2
±15
±30
27
1500
LTM455CU
455 ±2.0
4
2
±12.5
±24
27
1500
LTM455DU
455 ±1.5
4
2
±10
±20
27
1500
LTM455EU
455 ±1.5
6
2
±7.5
±15
27
1500
LTM455FU
455 ±1.5
6
2
±6
±12.5
27
2000
LTM455GU
455 ±1.0
6
2
±4.5
±10
25
2000
LTM455HU
455 ±1.0
6
2
±3
±9
25
2000
LTM455IU
455 ±1.0
6
2
±2
±7.5
25
2000
LTM45HTU
455 ±1.0
6
2
±3
±9
35
2000
LTM45ITU
455 ±1.0
6
2
±2
±7.5
35
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 xy).
相关PDF资料 |
PDF描述 |
|---|---|
| LTM455DU | 0.455 MHz, CERAMIC BPF |
| LTM455EU | 0.455 MHz, CERAMIC BPF |
| LTM455FU | 0.455 MHz, CERAMIC BPF |
| LTM455GU | 0.455 MHz, CERAMIC BPF |
| LTM455HU | 0.455 MHz, CERAMIC BPF |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| LTM455DW | 制造商:AURIS 制造商全称:AURIS 功能描述:Filter THT |
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