WLAN Band Pass Filter 2.4–2.5 GHz 禾頻科技 APPLICATION BP 156 B Wireless LAN Systems Including 802.11 b,g FEATURES LTCC Technology SMD Package, 3.0x3.0x0.9 mm Insertion Loss (1.0 dB Typical @ 2.45 GHz) High Stop Band Attenuation (40 dB Typical @ DC-1.9GHz) DESCRIPTION The BP151B is a low insertion loss ceramic band pass filter using LTCC design and manufacturing technology. The design is compatible with 802.11 WLAN specifications. Electrical Specifications at 25°C Parameter Min. Pass band Typ. 2.4 Max. Unit 2.5 GHz Pass band Insertion Loss 1.1 1.3 dB Pass band Insertion Loss Ripple 0.3 0.8 dB Return loss 10 14 dB Attenuation @ DC – 1900 MHz 35 45 dB 25 dB Attenuation @4800 MHz Typical Performance Data 0 -5 -1 0 -1 5 -2 0 -2 5 -3 0 -3 5 -4 0 -4 5 -5 0 -5 5 -6 0 -6 5 -7 0 -7 5 -8 0 0 .5 0 .9 1 .3 1 .7 2 .1 2 .5 2 .9 3 .3 3 .7 F re q u e n c y (G H z ) 4 .1 4 .5 4 .9 5 .3 5 .7 5/F,No.61,Lane 90,Kung Wu Road, Lung Tan, Taoyuan, Taiwan Tel:886-3-4091046 Fax:886-3-4090758 Email:[email protected] Specifications subject to change without notice. 6 . WLAN Band Pass Filter 2.4–2.5 GHz . 禾頻科技 Printed Circuit Board Layout Pattern Land mm Resist mm Pos a b c d e f g 3.64 2.05 0.78 1.2 0.85 3.3 4.0 Packing and Orientation : 1000 pcs / reel ` 5/F,No.61,Lane 90,Kung Wu Road, Lung Tan, Taoyuan, Taiwan Tel:886-3-4091046 Fax:886-3-4090758 Email:[email protected] Specifications subject to change without notice. h i