WLAN Lowpass Filter 2.4–2.5 GHz Preliminary 禾 頻 科 技 LP206B Applications LP204B ■ WLAN Systems Including 802.11 b,g. Features ■ RoHS Compliant ■ SMD Package, 2.0 x 1.25 x 0.65 mm Description The LP206B is a ceramic lowpass filter using LTCC design and manufacturing technology. The design is compatible with 802.11 WLAN. Electrical Specifications at 25°C Parameter Min. Pass band Typ. 2.4 Pass band Insertion Loss 0.42 Max. Unit 2.5 GHz 0.6 dB Pass band Return Loss 12 22 dB Attenuation @3.9-4GHz 33 42 dB Attenuation @4.8-5GHz 30 40 dB Attenuation @7.2-7.5GHz 25 30 dB Typical Performance Data LP206B Frequency Response 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -55 -60 0.0003 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 Frequency (GHz) 5/F,No.61,Lane 90,Kung Wu Road, Lung Tan, Tao Yuan, Taiwan Tel:886-3-4091046 Fax:886-3-4090758 Email:[email protected] Specifications subject to change without notice. Rev.050811 8 8.5 WLAN Lowpass Filter 2.4–2.5 GHz Preliminary 禾 頻 科 技 LP206B Printed Circuit Board Layout 5/F,No.61,Lane 90,Kung Wu Road, Lung Tan, Tao Yuan, Taiwan Tel:886-3-4091046 Fax:886-3-4090758 Email:[email protected] Specifications subject to change without notice. Rev.050811