LPBJ ECS | Alldatasheet
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Technical content
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM CERAMIC FILTERS CERAMIC FILTERS 2.5 –0.2 0.15 –0.03 2.6 –0.3 0.7 5.0 –0.33.5 –0.5 9.0 –0.3 Connection Input Ground Output 2.5 –0.2 2.5 –0.2 0.7 1 2 3 LPBJ SERIES 2 ELEMENT CERAMIC FILTER OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS CENTER 3dB SELECTIVITY INSERTION PART NUMBER FREQUENCY (fo) BANDWIDTH (±9 KHZ OFF) LOSS Figure 1) LPBJ Series – Front, Side and Bottom views The LPBJ Series is a ceramic filter for AM use.
FEATURES
- AM use
- IF filter
- 2 elements PACKAGE DIMENSIONS (mm) 1. Center frequency is available in a range from 450 to 470 KHz. 2. Center frequency shall be defined as the central value of the band at 3dB. 3. Temperatue coefficient of center frequency is based on the center frequency @ 25˚C. ( ) = Typical values ITEM \\ TYPE 7 x 7 mm IFT 5 x 5 mm IFT
85 T 67 T 23 T 84 T 98 T 33 T
TUNING CAPACITY 180pF 180pF 3 4 1 6 WINDING SPECIFICATIONS Bottom view Rg R1 + Rg = 3.0 KΩ Insertion Loss = 2xlog(E1/2/E2) S.S.G. FILTER E2 E1 RF V.M. R2 Connection Input Ground Output Figure 2) Measuring Circuit Figure 3) LPBJ – Recommended IFT Specification