W3112A Datasheet version 1.3 ISM 900 MHz Helical SMD-Antenna. (11/07). ISM 900MHz Helical SMD-Antenna Ground cleared under antenna, clearance area 6.00 x 11.00 mm. Pulse Part Number: W3112A Features - Vertical mount on board - Compact size WxLxH (2.5 x 8 x 8 mm) - Low weight (390 mg) - Lead Free materials - Fully SMD compatible • Glue needed between antenna and PWB - Lead free soldering compatible - Tape and reel packing - RoHS Compliant Product Applications - 900MHz ISM Band Systems 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. ISM 900MHz Typical performance (testboard size 100 x 40 mm, PWB ground clearance area 6.00 x 11.00 mm) Frequency Range [MHz] Max Gain [dBi] Efficiency [%] / [dB] Return loss min. [dB] Impedance [Ω] Operating Temperature [°C] 902 – 928 0.9 (peak) -0.3 (band edges) 67 / -1.7 (peak) 50 / -3 (band edges) -10 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 © 2007. All Rights Reserved. W3112A Datasheet version 1.3 ISM 900 MHz Helical SMD-Antenna. (11/07). IJ7HJ,&&$&&&&&&C>p ISM 900MHz Helical SMD-Antenna Ground cleared under antenna, clearance area 6.00 x 11.00 mm. Pulse Part Number: W3112A Typical Electrical Characteristics (T=25 °C) +#-c= Typical Return Loss S11/ impedance, measured on the 100 x 40 mm test board with matching circuit 9jVaWVcYLA6C 9jVaWVcYLA6C FHc :[b 9eh 9eh 8=&BVg`Zgh 8=&BVg`Zgh '$#'&$,',Z8 /&($&&&C>p '$#'&$,',Z8 /&($&&&C>p ($#''$-*&Z8 /(.$&&&&&&C>p ($#''$-*&Z8 /(.$&&&&&&C>p (6j\'%%+&'/''/*, (6j\'%%+&'/''/*, 9>'I'''K<I 9>'I'''K<I FHc :[b FHc :[b 9eh 9eh >H '$/($*'*² &$*'*'² /&($&&&C>p '$/($*'*² &$*'*'² /&($&&&C>p ($(/$/(*² #)$.'/)² **$/&*f< ($(/$/(*² #)$.'/)² **$/&*f< /(.$&&&&&&C>p /(.$&&&&&&C>p HWZ;\\QS 9>'I''BE= 9>'I''BE= +Z8%H;<&Z8 +Z8%H;<&Z8 FHc :[b +#-c= 9jVaWVcYLA6C 9jVaWVcYLA6C (6j\'%%+&'/&*/'( (6j\'%%+&'/&*/'( - , , + + * ( ' * ( ( ' IJ7HJ,&&$&&&&&&C>p IJ7HJ,&&$&&&&&&C>p ( ' IJEF'(&&$&&&&&&C>p IJEF'(&&$&&&&&&C>p IJ7HJ,&&$&&&&&&C>p IJ7HJ,&&$&&&&&&C>p ' IJEF'(&&$&&&&&&C>p IJEF'(&&$&&&&&&C>p Free space efficiency and maximum gain, PWB ground clearance area 6.00 x 11.00 mm +#-c= +#-c= >HB.%%B=oKZg=Za^XVa6ciZccV >HB.%%B=oKZg=Za^XVa6ciZccV >HB.%%B=oKZg=Za^XVa6ciZccV >HB.%%B=oKZg=Za^XVa6ciZccV +#-c= +#-c= #&$+& #&$+& ,+ ,+ #'$&& #'$&& ,& ,& #'$+& #'$+& ($&& ($&& CWn=W_dQZ8_S &$&& &$&& -& -& HWZ;\\QZ8_S HWZ;\\QS C>p C>p &C>p &C>p IJEF'(&&$&&&&&&C>p '$&& '$&& #($&& #($&& ++ ++ #($+& #($+& +& +& &$&& &$&& #)$&& #)$&& *+ *+ #)$+& #)$+& *& *& #*$&& #*$&& ./&/&( ./&/&(/&, /&,/'& /'&/'* /'*/'. /'./(( /((/(, /(,/)& /)& HWZ;\\QS HWZ;\\QS <h[gQC>pS <h[gQC>pS HWZ;\\QZ8S HWZ;\\QZ8S #'$&& #'$&& ./&/&( ./&/&(/&, /&,/'& /'&/'* /'*/'. /'./(( /((/(, /(,/)& /)& <h[gQC>pS <h[gQC>pS CWn=W_d 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 © 2007. All Rights Reserved. W3112A Datasheet version 1.3 ISM 900 MHz Helical SMD-Antenna. (11/07). ISM 900MHz Helical SMD-Antenna Ground cleared under antenna, clearance area 6.00 x 11.00 mm. Pulse Part Number: W3112A 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 © 2007. All Rights Reserved.