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EGSM900 Datasheet(PDF) 5 Page - Pulse A Technitrol Company |
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EGSM900 Datasheet(HTML) 5 Page - Pulse A Technitrol Company |
5 / 17 page 5 5 Pulse Finland Oy Takatie 6 90440 Kempele, Finland Tel: +358 207 935 500 Fax: +358 207 935 501 Domicile: Kempele Business ID: 1933992-8 firstnamelastname@pulseeng.com www.pulseeng.com/antennas Application Note: W3070 Ceramic Dual Band Monopole Antenna. Confidential. Preliminary (07/09) © 2006. All Rights Reserved. Ceramic Chip Antenna Test Setup for Electrical Measurements Recommended test board- layout for electrical characteristic measurement. Test board outline size 95 x 40mm. Ground cleared under antenna, clearance area 25 mm x 10 mm Ground cleared under antenna, clearance area 40 mm x 10 mm Antenna feeding point. Transmission line should be designed to match 50 Ω characteristic impedance, depending on PWB material and thickness. VIA- holes to the bottom-layer of the PWB. Matching component locations. Values depend on application and surrounding mechanics / materials. W3070 Ceramic chip antenna location. Stub for PCN1800 band frequency tuning. Length depends on application and surrounding mechanics / materials. Via- holes on ground clearance- area edges. |
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