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参数资料
| 型号： | LTM450FU |
| 厂商： | ECS INC INTERNATIONAL |
| 英文描述： | 0.45 MHz, CERAMIC BPF |
| 封装： | ROHS COMPLIANT PACKAGE-4 |
| 文件页数： | 1/1页 |
| 文件大小： | 266K |
| 代理商： | LTM450FU |
78
LTM450U 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
PACKAGE DIMENSIONS (mm)
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 913-782-7787 800-237-1041 FAX 913-782-6991 WWW.ECSXTAL.COM
CERAMIC FILTERS
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) LTM450U – Front, Side and Bottom views
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) LTM450U – 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) LTM4550U – 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.
(
)
LTM450BU
450 ±2.0
4
2
±15
±30
27
1500
LTM450CU
450 ±2.0
4
2
±12.5
±24
27
1500
LTM450DU
450 ±1.5
4
2
±10
±20
27
1500
LTM450EU
450 ±1.5
6
2
±7.5
±15
27
1500
LTM450FU
450 ±1.5
6
2
±6
±12.5
27
2000
LTM450GU
450 ±1.0
6
2
±4.5
±10
25
2000
LTM450HU
450 ±1.0
6
2
±3
±9
25
2000
LTM450IU
450 ±1.0
6
2
±2
±7.5
25
2000
LTM450HTU
450 ±1.0
6
2
±3
±9
35
2000
LTM450ITU
450 ±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 |
|---|---|
| LTM450GU | 0.45 MHz, CERAMIC BPF |
| LTM450HTU | 0.45 MHz, CERAMIC BPF |
| LTM450HU | 0.45 MHz, CERAMIC BPF |
| LTM450ITU | 0.45 MHz, CERAMIC BPF |
| LTM450IU | 0.45 MHz, CERAMIC BPF |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LTM-450FU | 制造商:EUROQUARTZ 制造商全称:EUROQUARTZ limited 功能描述:CERAMIC FILTER |
| LTM450FW | 制造商:EUROQUARTZ 制造商全称:EUROQUARTZ limited 功能描述:CERAMIC FILTER |
| LTM450GU | 制造商: 功能描述:CERAMIC FILTER 450 KHZ |
| LTM-450GU | 制造商:EUROQUARTZ 制造商全称:EUROQUARTZ limited 功能描述:CERAMIC FILTER |
| LTM450GW | 制造商: 功能描述:CERAMIC FILTER 450 KHZ |
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