EURO QUARTZ
LPB-J CERAMIC FILTERS
AM use - 2 Element
SPECIFICATION
2.6 1 2 3
9.0
2.5 2.5 Connections 1 Input 2 Grou...
EURO QUARTZ
LPB-J CERAMIC FILTERS
AM use - 2 Element
SPECIFICATION
2.6 1 2 3
9.0
2.5 2.5 Connections 1 Input 2 Ground 3 Output
5.0
3.5
Outline and Dimensions
ELECTRICAL CHARACTERISTICS
Part Number Centre Frequency (fo)
450±2.0kHz
3dB Bandwidth
Selectivity (±9kHz off)
Insertion Loss (dB) max.
LPB 450J
5.5±1.5kHz
17dB min. (23)
6dB max. (3)
TEST CIRCUIT
1 R1 RG 3
( ) = typical values
E1 SSG
2
R2
E2 RF
R1+RG=R2=3.0kOhm Insertion Loss = 2xlog(E1/2E2)
Recommended IFT Specifications
Item
3 2 1 4 5
7mm x 7mm IFT
1 2 2 3 4 6
5mm x 5mm IFT
1 2 2 3 4 6
85T 67T
90 180pF
23T
84T
98T
65 180pF
33T
Unloaded Qu Tuning Capacity
www.DataSheet4U.com
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44(0)1460 230000 Fax: +44(0)1460 230001 Email:
[email protected] www.euroquartz.co.uk
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