W3108 Datasheet version 2.1. 2.4 GHz Helical WiFi SMD Antenna. (11/07). 2.4 GHz Helical WiFi SMD Antenna Ground cleared under antenna, clearance area 7.50 x 5.50 mm. Pulse Part Number: W3108 Features - Low profile (5.5 mm) - Compact size W x L x H (5.0 x 2.5 x 5.5 mm) - Low weight (140 mg) - Lead Free materials - Fully SMD compatible - Lead free soldering compatible - Tape and reel packing - RoHS Compliant Product Applications - IEEE 802.11b/g - Bluetooth - WiFi - 2.4 GHz WLAN - 2.4 GHz ISM Band Systems - ZigBee IEEE 802.15.4 Engineering samples available Electrical specifications @ +25 C Note: Electrical characteristics depend on test board (GP) size and antenna positioning on GP and Ground Clearance area size. 2.4 GHz WiFi Typical performance (testboard size 100 x 40 mm, PWB ground clearance area 7.5 x 5.5 mm) Values below are measured inside typical mobile phone chassis including all mechanics Frequency Range [MHz] Max Gain [dBi] Efficiency [%] / [dB] Return loss min. [dB] Impedance [] Operating Temperature [C] 2400 - 2483.5 1.5 50 / -3 -8 50 -40 to +85 Pulse Finland Oy Takatie 6 90440 Kempele, Finland Tel: +358 207 935 500 Fax: +358 207 935 501 www.pulseeng.com/antennas (c) 2007. All Rights Reserved. W3108 Datasheet version 2.1. 2.4 GHz Helical WiFi SMD Antenna. (11/07). 2.4 GHz Helical WiFi SMD Antenna Ground cleared under antenna, clearance area 7.50 x 5.50 mm. Pulse Part Number: W3108 Typical Electrical Characteristics (T=25 C) Measured on basic chassis including PWB, display, battery and plastic covers. Chassis size abt. 17 x 40 x 100 mm. Typical Return Loss S11/ impedance 7I$LA6C 9>'I''BE= 7I$LA6C 8=&BVgZgh '$#'&$-.+Z8 ($*&&&&=>p ($#'($./&Z8 (**&$&&&&&&C>p )$#.$,',.Z8 ($*.)+&=>p +Z8%H;<&Z8 9>'I'''K<I FHc FHc 9eh 9eh ( ' 8=&BVgZgh '$*,$/.. #')$+&& ($*&&&&&=>p ($(,$',) #'-$+&+ ($*.&&&&=>p )$))$-). #(.*'. '.+$),f> (**&$&&&&&&C>p ( ) ) ' IJ7HJ(&*&$&&&&&&C>p IJEF(.*&$&&&&&&C>p 9;DJ;H(**&$&&&&&&C>p IF7D.&&$&&&&&&C>p Free space efficiency and maximum gain, PWB ground clearance area 6.00 x 11.00 mm LaVc'!)<=o<8=Za^m LaVc'!)<=o<8=Za^m CWn=W_dQZ8_S HWZ;\\QS ,& +& *& ($+ ($& '$+ '$& &$+ )& & #&$+ (& #'$& '& #'$+ (+ ,& (* .& (* -& (* ,& (* +& (* *& (* )& (* (& (* '& (* && () (& () (& (* && (* '& (* (& (* )& (* *& (* +& (* ,& (* -& (* .& (+ ,& #($& & <h[gQC>pS HWZ;\\QS <h[gQC>pS CWn=W_d Pulse Finland Oy Takatie 6 90440 Kempele, Finland Tel: +358 207 935 500 Fax: +358 207 935 501 www.pulseeng.com/antennas (c) 2007. All Rights Reserved. W3108 Datasheet version 2.1. 2.4 GHz Helical WiFi SMD Antenna. (11/07). 2.4 GHz Helical WiFi SMD Antenna Ground cleared under antenna, clearance area 7.50 x 5.50 mm. Pulse Part Number: W3108 Typical Free space Radiation Patterns XZ-PLANE ZY-PLANE XY-PLANE Pulse Finland Oy Takatie 6 90440 Kempele, Finland Tel: +358 207 935 500 Fax: +358 207 935 501 www.pulseeng.com/antennas (c) 2007. All Rights Reserved. W3108 Datasheet version 2.1. 2.4 GHz Helical WiFi SMD Antenna. (11/07). 2.4 GHz Helical WiFi SMD Antenna Ground cleared under antenna, clearance area 7.50 x 5.50 mm. Pulse Part Number: W3108 Recommended pad layout and guard distances Feed line should be designed to mach 50 characteristic impedance, depending on PWB material and thickness. *%D]b[ZZYa^cZ H]jci^cYjXidg [dgbViX]^c\ ;ZZYeVY h^oZ'#*bbm&#*bb &#*bb [gdb VciZccV &#'bb <gdjcY gZbdkZY [gdbVaaaVnZgh ,#*bb *bb VciZccV (eXh&#&bb Y^Vb]daZh dcEL7 6ciZccV &bb &#*bb '#*bb VciZccV &#*bb *#*bb Pulse Finland Oy Takatie 6 90440 Kempele, Finland Tel: +358 207 935 500 Fax: +358 207 935 501 www.pulseeng.com/antennas (c) 2007. All Rights Reserved.