WLAN Balun 4.9–5.9 GHz 禾頻科技 BL138C Applications ■ WLAN Systems Including 802.11 a. Features ■ RoHS Compliant ■ SMD Package, 2.0 x 1.25 x 1.1 mm Description The BL138C is a ceramic balun using LTCC design and manufacturing technology. The design is compatible with 802.11 WLAN. Electrical Specifications at 25°C Parameter Pass band Min. Typ. 4.9 Pass band Insertion Loss Pass band Return Loss 0.66 Unit 5.9 GHz 1.0 dB 12 dB Unbalanced Impedance 50 Ohm Balanced Impedance 100 Ohm Phase Difference 10 Max. 170 Magnitude Difference 174.5 190 Degree 0.5 2.0 dB 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.051019 . WLAN Balun 4.9–5.9 GHz 禾頻科技 Typical Performance Data 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.051019 . WLAN Balun 4.9–5.9 GHz 禾頻科技 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.051019 .