WLAN BandPass Filter 4.9–5.9 GHz Preliminary 禾 頻 科 技 BP234C Applications LP204B ■ WLAN Systems Including 802.11 a. Features ■ RoHS Compliant ■ SMD Package, 2.0 x 1.25 x 1.0 mm Description The BP234C is a ceramic bandpass 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. 4.9 Pass band Insertion Loss 1.3 Max. Unit 5.9 GHz 2 dB Pass band Return Loss 10 16 dB Attenuation @DC-3.3GHz 40 45 dB Typical Performance Data BP234C Frequency Response 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -55 -60 -65 -70 -75 -80 0.00030.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 Frequency (GHz) 6 6.5 7 7.5 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 BandPass Filter 4.9–5.9 GHz Preliminary 禾 頻 科 技 BP234C 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