LPU-B [EUROQUARTZ]
CERAMIC FILTERS; 陶瓷滤池
| 型号： | LPU-B |
| 厂家： | 
EUROQUARTZ LIMITED |
| 描述： | CERAMIC FILTERS |
| 文件： | 总1页 (文件大小：53K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
LPU-B, LPZ-JL CERAMIC FILTERS
EUROQUARTZ
AM - IF 450 to 470kHz
SPECIFICATION
1
6
2
5
3
4
3.5
LPU-SERIES
LPZ-SERIES
7.5
7.0
7.0
3.6
9.0
9.0
2.5 2.5
Connections
Connections
1
2
3
Input
Output
Ground
1
Input
Output
Direct Coupled
Output
3.5
2.5
2, 5
3, 4
6
3.5
2.5
Outline and Dimensions
Outline and Dimensions
ELECTRICAL CHARACTERISTICS
Selectivity
3dB
Part
Number
Insertion
Loss
(dB) max.
Bandwidth
(kHz)
-9 kHz off
(dB) min.
Composition
+9 kHz off
(dB) min.
LPU455B
1-± ±
5(7.5)
±(5.5)
5(±)
1 Element
with IFT
(connected with IFT)
LPZ455JL
5.5± 1
18(20)
18(20)
7(±.5)
2 Elements
Direct coupling type
*
*
Centre Frequency (fo) is available in
the range from 450kHz to 470kHz.
The standard tolerance of fo is
± 2kHz. For synthesizers and digital
indicators a tolerance of ± 1kHz is
available.
The LP455JL series, with its two
directly coupled elements, realizes a
high degree of selectivity. The series
features excellent matching
LPZ455JL
2 -3
LPU455B
2 - 3
Item
1 -2
4 -6
1 - 2
4 - 6
Winding Specifications
Unloaded Qu
70T
115T
105
7T
68T
84T
90
14T
Tuning Capacity
180pF
180pF
( ) = typical values
characteristics for IFT.
TEST CIRCUIT
3
LPZ Series
LPU Series
3
2
4
Input
Output
1
LPZ
LPU
5
6
R1
2
Ground
1
R1
RG
RF
V.M.
Ground
R2
SSG
RG=50 Ohm
RF
V.M.
3k
SSG
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: sales@euroquartz.co.uk www.euroquartz.co.uk
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