? 2007. all rights reserved. pulse finland oy takatie 6 90440 kempele, finland tel: +358 207 935 500 fax: +358 207 935 501 www.pulseeng.com/antennas W3127 datasheet version 1.2. ism 433mhz helical antenna. (04/08). ism 433mhz helical antenna ground cleared under antenna, clearance area 8.50x40.00 mm. pulse part number: W3127 features - plastic supported helical antenna - size (helix): length 35.35mm, ? 7mm - low weight (1.8g) - mounting on top of the pwb - through hole mechanical support pegs - feed contact by soldering via pwb hole - tray packing - rohs compliant product applications - remote controls, toys etc. - 433mhz ism band systems electrical specifcations @ +25 c note: electrical characteristics depend on test board (gp) size and antenna positioning on gp and ground clearance area size. ism 433mhz typical performance (test board size 100x40 mm, pwb ground clearance area 8.50 x40.00 mm), tuning and matching circuit: tuning 12nh series, matching 6.8nh shunt for pulse standard evaluation board. frequency range [mhz] 433 C 435 max gain [dbi] -2.9 return loss min. [db] -15 impedance [] 50 operating temperature [c] -40 to +85
? 2007. all rights reserved. pulse finland oy takatie 6 90440 kempele, finland tel: +358 207 935 500 fax: +358 207 935 501 www.pulseeng.com/antennas W3127 datasheet version 1.2. ism 433mhz helical antenna. (04/08). ism 433mhz helical antenna ground cleared under antenna, clearance area 8.50x40.00 mm. pulse part number: W3127 f eed contact tuning component (fine tuning) tuning component (raw tuning) matching component feed line 50 ? ground via hole ground clearance area (8.50 x 40.00 mm) all metallization should be removed from all pwb layers 40 mm 100 mm ? 2.50 ? 2.50 25.00 4.60 4.00 ? 7.00 ? 5.00 9.60 9.90 7.30 35.35 helix 2 1 scale 3:1 0 ? 12 nh 6.8 nh n nn n nn n nnn nn f eed contact tuning component (fine tuning) tuning component (raw tuning) matching component feed line 50 ? ground via hole ground clearance area (8.50 x 40.00 mm) all metallization should be removed from all pwb layers 40 mm 100 mm ? 2.50 ? 2.50 25.00 4.60 4.00 ? 7.00 ? 5.00 9.60 9.90 7.30 35.35 helix 2 1 scale 3:1 0 ? 12 nh 6.8 nh nnn . n n nn 1 n 0.8 2 2. n 2.6 n n n nnn n. n nn n n nn nn n ..
? 2007. all rights reserved. pulse finland oy takatie 6 90440 kempele, finland tel: +358 207 935 500 fax: +358 207 935 501 www.pulseeng.com/antennas W3127 datasheet version 1.2. ism 433mhz helical antenna. (04/08). ism 433mhz helical antenna ground cleared under antenna, clearance area 8.50x40.00 mm. pulse part number: W3127 typical electrical characteristics (t=25 c) typical return loss s11/ impedance, measured on the 100x40mm test board with tuning and matching circuit free space maximum gain, pwb ground clearance area 8.50 x 40.00 mm f eed contact tuning component (fine tuning) tuning component (raw tuning) matching component feed line 50 ? ground via hole ground clearance area (8.50 x 40.00 mm) all metallization should be removed from all pwb layers 40 mm 100 mm ? 2.50 ? 2.50 25.00 4.60 4.00 ? 7.00 ? 5.00 9.60 9.90 7.30 35.35 helix 2 1 scale 3:1 0 ? 12 nh 6.8 nh max gain [dbi] W3127 max gain max gain [dbi] freq [mhz] 0.00 -1.00 -2.00 -3.00 -4.00 -5.00 -6.00 -7.00 center 434.000 000 mhz span 50.000 000 mhz cor prm del ch1mark ers 1. -21.132 db 433 mhz 2. -32.939 db 434 mhz 3. -21.458 db 435 mhz 3 jan 2008 14:56:23 ism 433mhz 5 db/ref 0 db ch1 s11 log mag center 434.000 000 mhz span 50.000 000 mhz prm del cor 3 jan 2008 14:56:36 ism 433mhz ch1 s11 1 u fs 1. 54.908 ? 7.666 ? 433 mhz 2. 51.811 ? -777.34 m? 471.76 pf 434.000 000 mhz 3. 46.588 ? -7.293 ? 435 mhz 0 ohm 6.8 nh 2 3 1 2 3 1 428 430 432 434 436 438 440 max gain [dbi] W3127 max gain max gain [dbi] freq [mhz] 0.00 -1.00 -2.00 -3.00 -4.00 -5.00 -6.00 -7.00 center 434.000 000 mhz span 50.000 000 mhz cor prm del ch1mark ers 1. -21.132 db 433 mhz 2. -32.939 db 434 mhz 3. -21.458 db 435 mhz 3 jan 2008 14:56:23 ism 433mhz 5 db/ref 0 db ch1 s11 log mag center 434.000 000 mhz span 50.000 000 mhz prm del cor 3 jan 2008 14:56:36 ism 433mhz ch1 s11 1 u fs 1. 54.908 ? 7.666 ? 433 mhz 2. 51.811 ? -777.34 m? 471.76 pf 434.000 000 mhz 3. 46.588 ? -7.293 ? 435 mhz 0 ohm 6.8 nh 2 3 1 2 3 1 428 430 432 434 436 438 440 max gain [dbi] W3127 max gain max gain [dbi] freq [mhz] 0.00 -1.00 -2.00 -3.00 -4.00 -5.00 -6.00 -7.00 center 434.000 000 mhz span 50.000 000 mhz cor prm del ch1mark ers 1. -21.132 db 433 mhz 2. -32.939 db 434 mhz 3. -21.458 db 435 mhz 3 jan 2008 14:56:23 ism 433mhz 5 db/ref 0 db ch1 s11 log mag center 434.000 000 mhz span 50.000 000 mhz prm del cor 3 jan 2008 14:56:36 ism 433mhz ch1 s11 1 u fs 1. 54.908 ? 7.666 ? 433 mhz 2. 51.811 ? -777.34 m? 471.76 pf 434.000 000 mhz 3. 46.588 ? -7.293 ? 435 mhz 0 ohm 6.8 nh 2 3 1 2 3 1 428 430 432 434 436 438 440
? 2007. all rights reserved. pulse finland oy takatie 6 90440 kempele, finland tel: +358 207 935 500 fax: +358 207 935 501 www.pulseeng.com/antennas W3127 datasheet version 1.2. ism 433mhz helical antenna. (04/08). ism 433mhz helical antenna ground cleared under antenna, clearance area 8.50x40.00 mm. pulse part number: W3127 xz-plane typical free space radiation patterns zy-plane xy-plane
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