EUROQUARTZ LPP450H Ceramic filter Datasheet

EURO QUARTZ
LPP450, LPP459 CERAMIC FILTERS
AM use - 4 Element
SPECIFICATION
TEST CIRCUIT
3
1
7.0
2 1
8.0
R1
RG
3
0.8
2
4.3
8.2
C
R2
RF
SSG
2.7
RG+R1=R2, C <50pF
4.0
Actual size
(outline top view)
LPP450H (IFT Data)
Outline and Dimensions
Connections
1
Input
2
Ground
3
Output
4
3
2
1
5
1 2
2 3
4 6
60T 125T
28T
Qu
CT
40
180pF
ELECTRICAL CHARACTERISTICS
Part
Number
LPP450D
Bandwidth
6dB
(kHz) min.
±10
LPP459D
LPP450F
±6.0
Input/Output
Impedance
(W)
Centre
Frequency
(kHz)
±20kHz
4.0
1500
450±1
±12.5kHz
459±1
6.0
1500
off 40 (50)
±4.5
LPP459G
LPP450H
Insertion Loss
(dB) max.
off 40 (50)
LPP459F
LPP450G
Selectivity
(dB) min.
±9kHz
459±1
6.0
2000
off 30 (40)
±3.0
LPP459H
±9kHz
450±1
459±1
6.0
2000
off 40 (50)
Characteristics
430kHz to 480kHz
450±1
450±1
459±1
( ) = typical values
355kHz to 555kHz
10kHz to 10000kHz
CH1 A/R logMAG 10dB/REF -50dB
CH2 A/R logMAG 1dB/REF -5dB
CH1 A/R logMAG 10dB/REF -50dB
CH1 A/R logMAG 10dB/REF -50dB
Start 430kHz
Start 355kHz
Start 10kHz
Stop 480kHz
Stop 555kHz
Stop 1MHz
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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