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LPUB / LPZJL SERIES
CERAMIC FILTER
FEATURES
* AM use * RoHS Compliant (Note 7 exemption)
LPU 455B
LPZ 455JL
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
PART NUMBER LPU455B - (connected with IFT) LPZ455JL - (connected with IFT) 3dB BANDWIDTH (KHz) 10 3 5.5 1 SELECTIVITY SELECTIVITY -9 KHZ OFF (dB) MIN. +9 KHZ OFF (dB) MIN. 5 (7.5) 3 (5.5) 18 (20) 18 (20) INSERTION LOSS (dB) MAX. 5 (3) 7 (3.5) COMPOSITION 1 Element with IFT 2 Elements Direct Coupling Type
* Center frequency (fo) is available in a range of 450 to 470KHz. The standard tolerance of fo is 2KHz. For synthesizers and digital indicators, 1KHz tolerance is also available. * The LPZ455JL series, with its two directly coupled elements, has a high degree of selectivity. The series features excellent matching characteristics for IFT. ( ) = Typical values
PACKAGE DIMENSIONS (mm)
ITEM \ TYPE
7.5 3.5
WINDING SPECIFICATIONS
3 2 4
LPU
B
LPZ
JL
x--y
70 T
y--
115 T 105 180pF
--
7T
x--y
68 T
y--
84 T 90 180pF
--
14 T
Bottom view
6
1
9
UNLOADED Qu TUNING CAPACITY
3.5
Connection
1 Input 2 Ground
Figure 3) Recommended IFT Specifications
3
2
1
2.5 2.5
3 Output
INPUT
OUTPUT
R1
1
3
Figure 1) LPU455B - Front and Side views
Rg
7.0 0.3 7.0 0.3
LPU
GROUND
2
R2
S.S.G.
RF V.M.
Rg+R1=R2=input/output impedance
9.0 0.3
Figure 4) LPU Series - Measuring Circuit
3.5 0.5
3
2
1
2.5 2.5
3.6
3
4
Connection
1 2 3
3K
2
LPZ
5
1 : Input 5 2 : Ground 4 3 : Direct Coupled 6 : Output
1 Input
3.6
2 Ground 3 Direct Coupled 4 Direct Coupled 5 Ground
S.S.G.
Rg = 50
1 6
6
5
4
3K
RF V.M.
2.5 2.5
6 Output
Figure 2) LPZ455JL - Front, Side and Bottom views
Figure 5) LPZ Series - Measuring Circuit
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 * 913-782-7787 * 800-237-1041 * FAX 913-782-6991 * WWW.ECSXTAL.COM CERAMIC FILTERS 82 CERAMIC FILTERS
ECS, Inc. International 1105 South Ridgeview Road Olathe, KANSAS, 66062 USA www.ecsxtal.com 913-782-7787 1-800-237-1041 Fax: 913-782-6991 May 16, 2007 Mike Huennekens Director of Marketing and OEM Sales E-mail: mikeh@ecsxtal.com Phone: 1-800-237-1041
CERAMIC
R E S O N A T O R/F I L T E R
Application Information Request
Attention: All Customers From: Mike Huennekens, Director of Marketing and OEM Sales Subject: Ceramic Resonator Application Information Request ECS is requesting that you complete the section below that will allow us to determine if the specific application is suitable for the ceramic resonator/filters that you have requested. Ceramic Resonators/Filters, both surface mount and through-hole type, are a much different frequency control solution than that of a crystal based device. Not only are there "matching" issues to specific integrated circuits and processors with ceramic based piezoelectric components but for multiple reasons ceramics are not the most advantageous nor robust frequency control solution for certain applications. In addition, ECS does not approve the use of its ceramic products in Automotive, Military, Avionics, Life Sustaining or Life Support systems or any other related medical application. If the customer chooses to use this product in one or more of the noted applications without the written consent of ECS, Inc., ECS, Inc. shall be held harmless, and given release of liability and indemnification from claims of any nature.
Please complete the following and submit this form as soon as possible. ECS Part Number Estimated Annual Usage Has this part already been approved for this application? Has this part been ordered previously for this application? End Customer Application Details You Must Be Specific or this may be returned for more information.
Yes Yes
No No
I certify that the above information is true and correct to the best of my knowledge and acknowledge that ECS will be held harmless if this item is used in the restricted applications noted above. __________________________________________ Company Name __________________________________________ Print Your Name __________________________________________ Title __________________________________________ Signature Date ** If this item will be used by a 3rd party ECS may require a form be completed and signed by all parties.
To be completed by ECS Inc., International
Approved: Disallowed: Date: ____________________ Approved By: ______________________________________
Please direct any further inquires to Brad Slatten at brads@ecsxtal.com or Carla Williams at carlaw@ecsxtal.com . We thank you for your understanding and patience in this process.

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