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  Datasheet File OCR Text:
 EUROQUARTZ
LPP450, LPP459 CERAMIC FILTERS
AM use - 4 Element
SPECIFICATION
7.0 21 3 0.8 4.3 8.2 2.7 4.0 Actual size (outline top view) Connections 1 Input 2 Ground 3 Output 8.0
TEST CIRCUIT
1 R1 RG 2 R2 3
C RF
SSG
RG+R1=R2, C <50pF
LPP450H (IFT Data)
3 2 1 Qu CT 4 5 12 23 46
60T 125T
40 180pF
28T
Outline and Dimensions
ELECTRICAL CHARACTERISTICS
Part Number Bandwidth 6dB (kHz) min.
10 6.0 4.5 3.0
Selectivity (dB) min.
20kHz off 40 (50) 12.5kHz off 40 (50) 9kHz off 30 (40) 9kHz off 40 (50)
Insertion Loss (dB) max.
4.0 6.0 6.0 6.0
Input/Output Impedance (W)
1500 1500 2000 2000
Centre Frequency (kHz)
4501 4591 4501 4591 4501 4591 4501 4591
LPP450D LPP459D LPP450F LPP459F LPP450G LPP459G LPP450H LPP459H
Characteristics 430kHz to 480kHz
CH1 A/R logMAG 10dB/REF -50dB CH2 A/R logMAG 1dB/REF -5dB
( ) = typical values 355kHz to 555kHz
CH1 A/R logMAG 10dB/REF -50dB
10kHz to 10000kHz
CH1 A/R logMAG 10dB/REF -50dB
Start 430kHz
Stop 480kHz
Start 355kHz
Stop 555kHz
Start 10kHz
Stop 1MHz
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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