W3127

W3127 Datasheet version 1.3. ISM 433MHz Helical Antenna. (19/19). 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, ø 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 specifications @ +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] Max Gain [dBi] Return loss min. [dB] Impedance [Ω] Operating Temperature [°C] 433 – 435 -2.9 -15 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 © 2014. All Rights Reserved. W3127 Datasheet version 1.3. ISM 433MHz Helical Antenna. (19/19). ISM 433MHz Helical Antenna Ground cleared under antenna, clearance area 8.50x40.00 mm. Pulse Part Number: W3127 Terminal Configuration PWB Layout Feed line 50 Ω 100 mm Ground Clearance Area (8.50 x 40.00 mm) all metallization should be removed from all PWB layers Feed contact Ground Clearance Area (8.50 x 40.00 mm) all metallization should be removed from all PWB layers Ground via hole Tuning component (raw tuning) Feed contact Matching component Tuning component (fine tuning) Feed line 50 Ω 100 mm Tuning component (fine tuning) 40 mm Ground via hole Tuning component (raw tuning) Matching component 40 mm Terminal Configuration and Antenna Dimensions Helix 9.90 7.30 Helix ø 7.0 0 Antenna Features 1 2 1 35.35 2 No. Terminal Name Terminal Dimensions 1 Feed terminal Wire diameter 0.8mm 2 Support Diameter 2.5mm, length 2.6mm Matching circuit needs to placed on PCB close to antenna feed terminal. Matching component values depend on device construction; size, materials etc.. 4.15 surrounding mechanics, 25.00 Pulse Finland Oy Takatie 6 90440 Kempele, Finland Tel: +358 207 935 500 Fax: +358 207 935 501 www.pulseeng.com/antennas © 2014. All Rights Reserved. W3127 Datasheet version 1.3. ISM 433MHz Helical Antenna. (19/19). ISM 433MHz Helical Antenna Ground cleared under antenna, clearance area 8.50x40.00 mm. Pulse Part Number: W3127 Typical Electrical Characteristics (T=25 °C) 12 nH 0Ω Typical Return Loss S11/ impedance, Feed line 50 Ω Ground Clearance Area (8.50 x 40.00 Measured onmm)the 100x40mm test board with tuning and matching circuit ISM ISM433MHz 433MHz 3 Jan 3 Jan 2008 2008 14:56:23 14:56:23 Ground via hole CH1 CH1 S11 S11 log log MAG MAG 5 dB/REF 5 dB/REF 0 dB 0 dB 100 mm all metallization should be removed from all PWB layers CH1Markers CH1Markers 1. 1. -21.132 -21.132 dBdB433 433 MHz MHz 2. 2. -32.939 -32.939 dBdB434 434 MHz MHz 3. 3. -21.458 -21.458 dBdB435 435 MHz MHz PRm PRm DelDel 3 Jan 3 Jan 2008 2008 14:56:36 14:56:36 CH1 CH1 S11 S11 1 U1 FS U FS 1. 1. 54.908 54.908 Ω Ω 7.666 7.666 ΩΩ 433 433 MHz MHz 2. 2. 51.811 51.811 Ω Ω -777.34 -777.34 mΩ mΩ 471.76 471.76 pFpF 434.000 434.000 000 000 MHz MHz 3. 3. 46.588 46.588 Ω Ω -7.293 -7.293 ΩΩ 435 435 MHz MHz PRm PRm DelDel 40 mm CorCor ISM ISM433MHz 433MHz 6.8 nH CorCor 22 11 33 4.00 1 13 3 7.30 CENTER CENTER 434.000 434.000 000 000 MHz MHz 9.90 22 SPAN SPAN 50.000 50.000 000 000 MHz MHz CENTER CENTER 434.000 434.000 000 000 MHz MHz SPAN SPAN 50.000 50.000 000 000 MHz MHz ø 5.00 ø 7.0 0 Free space maximum gain, PWB ground clearance area 8.50 x 40.00 mm 0 Ohm 0 Ohm 35.35 6.8 6.8 nH nH W3127 Max Gain 2 ø 50 50 -1.00 2. 2. Max Gain [dBi] Scale 3:1 ø 0.00 -2.00 -3.00 -4.00 -5.00 -6.00 -7.00 428 430 4.15 432 434 436 25.00 438 440 Freq [MHz] Max Gain [dBi] Pulse Finland Oy Takatie 6 90440 Kempele, Finland Tel: +358 207 935 500 Fax: +358 207 935 501 www.pulseeng.com/antennas © 2014. All Rights Reserved. W3127 Datasheet version 1.3. ISM 433MHz Helical Antenna. (19/19). ISM 433MHz Helical Antenna Ground cleared under antenna, clearance area 8.50x40.00 mm. Pulse Part Number: W3127 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 © 2014. All Rights Reserved.