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 Max Gain Efficiency Return loss Impedance Operating MHz dBi % / dB min. dB Temperature C 902 928 0.9 (peak) 67 / -1.7 (peak) -10 50 -40 to +85 -0.3 (band edges) 50 / -3 (band edges) 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. B ZWHQ S WZ Z8HQ S Wn=W d Q C SZ8 ( ( < < W3112A Datasheet version 1.3 ISM 900 MHz Helical SMD-Antenna. (11/07). I J 7 H I J I J 7 H I J 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) Typical Return Loss S11/ impedance, measured on the 100 x 40 mm test board with matching circuit B B S ZW H Q Z HW Q S WSZQ ZH8 WZH 8 QZ S 8 SQ d WZ= CnW d W= nWCQZ 8 S ( ( ( ( < < < < I J 7 H I J 7 H I J I J I J 7 H I J 7 H I J I J Free space efficiency and maximum gain, PWB ground clearance area 6.00 x 11.00 mm B B ZHW HWZ S Q S Q ZWH ZW H Z S Q8 QZ8 S CWn = CWn= dS 8ZQW d 8WZQS ( ( ( ( < < < < I I J J 7 7 H H I I J J Pulse Finland Oy I I J J 7 7 H H I I J J Takatie 6 90440 Kempele, Finland Tel: +358 207 935 500 Fax: +358 207 935 501 www.pulseeng.com/antennas 2007. All Rights Reserved. + - c= + - c= + - c= + - c= EF (&& &&& &&& C>pEF (&& &&& &&& C>p J ,&& &&& &&& C>p J ,&& &&& &&& C>p EF (&& &&& &&& C>pEF (&& &&& &&& C>p J ,&& &&& &&& C>p J ,&& &&& &&& C>p HWZ QZ8S HWZ QZ8S HWZ Q S HWZ Q S CWn =W d CWn =W d h g QC>pS h g QC>pS h g QC>pS h g QC>pS /)& /)& /(, /(, /(( /(( / . / . / * / * / & / & /&, /&, ./& /&( ./& /&( /)& /)& /(, /(, /(( /(( / . / . / * / * / & / & /&, /&, ./& /&( ./& /&( * && * && *& *& && && ) +& ) +& *+ *+ ) && ) && +& +& & && & && ( +& ( +& 9eh 9eh ( && ( && ++ ++ 9eh 9eh +& +& : b : b : b : b ,& ,& FHc FHc FHc FHc && && && && ,+ ,+ & +& & +& 9> I K <I 9> I K <I /(. &&& &&& C>p /(. &&& &&& C>p ( -*& Z8 ( -*& Z8 + Z8%H < & Z8 + Z8%H < & Z8 E= E= 9> I 9> I -& -& & && & && /(. &&& &&& C>p /(. &&& &&& C>p /&( &&& C>p /&( &&& C>p & , , Z8 & , , Z8 ( && ( && ** /&* f< ** /&* f< ) . /) ) . /) ( (/ /(* ( (/ /(* ( 6j %%+ & / /*,( 6j %%+ & / /*, Zgh Zgh 8=&BVg 8=&BVg ( 6j %%+ & /&*/ (( 6j %%+ & /&*/ ( /&( &&& C>p /&( &&& C>p & * * & * * /( * * /( * * + - c= + - c= >HB .%% B=o K>HB .%% B=o KZg =Za XVa 6ciZccVZg =Za XVa 6ciZccV 9jVaWVcY LA6C9jVaWVcY LA6C >HB .%% B=o K>HB .%% B=o KZg =Za XVa 6ciZccVZg =Za XVa 6ciZccV 9jVaWVcY LA6C9jVaWVcY LA6C + - c= + - c= EF (&& &&& &&& C>p EF (&& &&& &&& C>p J ,&& &&& &&& C>p J ,&& &&& &&& C>p EF (&& &&& &&& C>p EF (&& &&& &&& C>p J ,&& &&& &&& C>p J ,&& &&& &&& C>p HWZ Q S HWZ QZ8S HWZ QZ8S HWZ Q S CWn =W d CWn =W d h g QC>pS h g QC>pS h g QC>pS h g QC>pS /)& /)& /(, /(, /(( /(( / . / . / * / & / * / & /&, /&, ./& /&( ./& /&( /)& /)& /(, /(, /(( /(( / . / . / * / & / * / & /&, /&, ./& /&( ./& /&( * && * && *& *& && && ) +& ) +& *+ *+ ) && ) && +& +& & && ( +& ( +& & && 9eh 9eh ( && ( && ++ ++ 9eh 9eh +& : b : b +& : b : b ,& ,& FHc FHc FHc FHc && && && && ,+ ,+ & +& & +& 9> I K <I 9> I K <I /(. &&& &&& C>p ( -*& Z8 /(. &&& &&& C>p ( -*& Z8 + Z8%H < & Z8 + Z8%H < & Z8 E= E= 9> I 9> I -& -& & && & && /(. &&& &&& C>p /(. &&& &&& C>p /&( &&& C>p & , , Z8 /&( &&& C>p & , , Z8 ( && ( && ** /&* f< ) . /) ( (/ /(* ** /&* f< ) . /) ( (/ /(* ( 6j %%+ & / /*, ( 6j %%+ & / /*, Zgh Zgh 8=&BVg 8=&BVg ( 6j %%+ & /&*/ ( ( 6j %%+ & /&*/ ( /&( &&& C>p & * * /( * * /&( &&& C>p & * * /( * * >HB .%% B=o K Zg =Za XVa 6ciZccV >HB .%% B=o K Zg =Za XVa 6ciZccV 9jVaWVcY LA6C 9jVaWVcY LA6C 9jVaWVcY LA6C 9jVaWVcY LA6C >HB .%% B=o K Zg =Za XVa 6ciZccV >HB .%% B=o K Zg =Za XVa 6ciZccV + - c= + - c= EF (&& &&& &&& C>p J ,&& &&& &&& C>p EF (&& &&& &&& C>p J ,&& &&& &&& C>p HWZ QZ8S HWZ Q S CWn =W d h g QC>pS h g QC>pS /)& /(, /(( / . / * / & /&, ./& /&( /)& /(, /(( / . / * / & /&, ./& /&( * && *& && ) +& *+ ) && +& & && ( +& 9eh ( && ++ 9eh +& : b : b ,& FHc FHc && && ,+ & +& 9> I K <I + Z8%H < & Z8 E= 9> I /(. &&& &&& C>p ( -*& Z8 -& & && /(. &&& &&& C>p /&( &&& C>p & , , Z8 ( && ** /&* f< ) . /) ( (/ /(* ( 6j %%+ & / /*, Zgh 8=&BVg ( 6j %%+ & /&*/ ( /&( &&& C>p & * * /( * * >HB .%% B=o K Zg =Za XVa 6ciZccV 9jVaWVcY LA6C 9jVaWVcY LA6C >HB .%% B=o K Zg =Za XVa 6ciZccV