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LPBJ - 2 ELEMENT CERAMIC FILTER - ECS, Inc.

型  号:
LPBJ
大  小:
235.00KB 共1页
厂  商:
ECS[ECS,Inc.]
主  页:
http://www.ecsxtal.com/
功能介绍:
LPBJ - 2 ELEMENT CERAMIC FILTER - ECS, Inc.
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LPBJ SERIES 2 ELEMENT CERAMIC FILTER The LPBJ Series is a ceramic filter for AM use. FEATURES • AM use • IF filter • 2 elements OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS PART NUMBER LPB 450J CENTER FREQUENCY (fo) 450 ±2.0 KHz 3dB BANDWIDTH 5.5 ±1.5 KHz SELECTIVITY (±9 KHZ OFF) 17 dB Min. (23) INSERTION LOSS 6 dB Max. (3) 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 PACKAGE DIMENSIONS (mm) 9.0 ±0.3 2.6 ±0.3 R1 1 3 FILTER 5.0 ±0.3 Rg 2 S.S.G. E1 R2 RF E2 V.M. 0.15 ±0.03 3.5 ±0.5 R1 + Rg = 3.0 KΩ Insertion Loss = 2xlog(E1/2/E2) 0.7 Connection 1 Input 2 Ground 3 Output 2.5 ±0.2 1 2 3 0.7 Connection 1 Input 2 Ground 3 Output Figure 2) Measuring Circuit 2.5 ±0.2 2.5 ±0.2 Figure 1) LPBJ Series – Front, Side and Bottom views ITEM \ TYPE WINDING SPECIFICATIONS 3 2 4 x—y 85 T 7 x 7 mm IFT y—Ž —‘ 67 T 90 180pF 23 T x—y 84 T 5 x 5 mm IFT y— Ž —‘ 98 T 65 180pF 33 T Bottom view 6 1 UNLOADED Qu TUNING CAPACITY Figure 3) LPBJ – Recommended IFT Specification ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM CERAMIC FILTERS 67 CERAMIC FILTERS

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贡献者:foooy

贡献时间:2013年04月03日

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