ACX Advanced Ceramic X AT3216 Series Multilayer Chip Antenna Features Monolithic SMD with small, low-profile and light-weight type. Wide bandwidth Applications Bluetooth/Wireless LAN/Home RF ISM band 2.4GHz applications Specifications Frequency Part Number Range Peak Gain Average Gain （XZ-V） （XZ-V） 0.5 dBi typ. -0.5 dBi typ. VSWR Impedance 2 max. 50 Ω (MHz) AT3216 -B2R7HAA_ 2400 ~ 2500 Q’ty/Reel (pcs) Operating Temperature Range Storage Temperature Range Power Capacity : 3,000pcs : -40 ~ +85 oC : -40 ~ +85 oC : 3W max. Part Number AT c 3216 d - B 2R7 e f HAA g h i c Type AT : Antenna d Dimensions ( L × W ) 3.2× 1.6 mm e Material Code B f Frequency Range 2R7=2700MHz g Specification Code HAA h Packaging T: Tape & Reel B: Bulk i Soldering =lead-containing /LF=lead-free Terminal Configuration d c No. c Terminal Name No. Terminal Name Feeding Point d NC ACX Advanced Ceramic X Dimensions and Recommended PC Board Pattern Unit : mm a W T L Mark L W T a Dimensions 3.2±0.2 1.6±0.2 1.3+ 0.1/-0.2 0.5±0.3 (a) Without Matching Circuits (b) With Matching Circuits 2.6 3.3nH 1.6 1.2pF 4.2 2.7nH * 1.9 0.4 *Line width should be designed to match 50Ω characteristic impedance, depending on PCB material and thickness. ACX Advanced Ceramic X Typical Electrical Characteristics (T=25oC) Test Board Ground 50Ω Feed Line 19mm Matching Circuit 13.5mm No Ground 6.5mm 39.5mm 4mm Antenna 6.5mm Return Loss (a) Without Matching Circuits (b) With Matching Circuits ACX Advanced Ceramic X Radiation Patterns XY-V/XY-H XY cut @2.45GHz Vertical Horizontal Z 180o X 270o o 90 Y 0o XY-cut scanning direction XZ-V/XZ-H XZ cut @2.45GHz Vertical Horizontal Y 180 X 270o 90o Z 0o XZ-cut scanning direction YZ cut @2.45GHz Vertical Horizontal YZ-V/YZ-H …. X 180 Y 270 90o Z 0o YZ-cut scanning direction Advanced Ceramic X Corp. 16 Tzu Chiang Road, Hsinchu Industrial District Hsinchu Hsien 303, Taiwan TEL:886-3-5987008 FAX:886-3-5987001 E-mail: [email protected] http://www.acxc.com.tw