VJ5301M433MXBSR Preliminary Data Sheet www.vishay.com Vishay Vitramon Surface Mount Ceramic Chip Antennas for 433 MHz The VJ5301M433 series are small form-factor, high-performance chip-antennas optimized for industrial, automotive, and medical applications. Utilizing unique Vishay materials and manufacturing technologies, these products when properly tuned also comply VJ5301M433MXBSR chip antenna product with the MBRAI standard for portable communication. Vishay VJ5301M433MXBSR chip antennas are covered by one or more of the following patents: Features WO2008250262 (A1), US2008303720 (A1), US2008305750 (A1), WO2008154173 (A1). Small outline (35 mm x 5 mm x 1.2 mm) 1 50 unbalanced tuning interface (max. -5.7 gain ) Other patents are pending. Assembled onto a PCB in the standard reflow process 140 MHz half-power tuned bandwidth (370 to 510 MHz) 2 ELECTRICAL SPECIFICATIONS High-reliability ceramic-oxide body construction Low-RF-loss, high-Q ceramic Operating Temperature: -40 C to + 85 C Lead (Pb)-free / wet build process Frequency Range (Transmission/Reception): 370 to 510 MHz Reliable Noble Metal Electrode (NME) system Compliant to RoHS Directive 2002/95/EC DESCRIPTION Halogen-free per IEC 61249-2-21 The VJ5301M433MXBSR ceramic chip antenna is a small Wide operating temperature range (-40 C to + 85 C) form-factor, high-performance, chip-antenna designed for operation at 433 . It allows manufacturers to design high quality products that do not bear the penalty of a large Applications external antenna, and is designed to be assembled onto a PC board using a standard reflow process. Medical Telemetry (internal/external) Broadband transmission and reception The VJ5301M433 is the latest in a family of products Automotive (TPMS, etc.) developed by Vishay , a world leader in manufacturing of Industrial and medical band applications discrete and passive components. QUICK REFERENCE DATA FREQUENCY MAX. GAIN AVERAGE GAIN BANDWIDTH (- 10 dB) BANDWIDTH (- 3 dB) SERIES (MHz) (dBi) (dBi) (MHz) (MHz) VJ5301M433MXBSR 433 -5.7 - 8.7 58 120 CHIP ANTENNA PERFORMANCE 433 433 MHZ REFLECTED 433 MHZ - 3 dB - 3 dB - 10 dB - 10 dB NOMINAL NOMINAL MHZ AVERAGE POWER REFLECTED BANDWIDTH REFLECTED BANDWIDTH REFLECTED FREQUENCY IMPEDANCE PEAK GAIN COEFFICIENT POWER 370 MHz to POWER 397 MHz to POWER (MHz) () GAIN (dBi) S11 LOSS 510 MHz LOSS 455 MHz LOSS (dBi) < -18 dB 1.6 % 50 % 10 % 433 50 - 8.7 -5.7 140 58 1.6 % < 0.07 dB 3 dB 0.46 dB Table 1 of quick reference data and chip antenna performance 1 See Figures 1 through 6 for more details on the radiation pattern (antenna gain) at 433 MHz the PCB board ground is shorted to earth ground for tuning. 2 Electrical characteristics at +25 C unless otherwise specified. Antenna performance is measured at 433 MHz and 50 Ohm impedance unless otherwise specified. The best results are obtained by mounting the chip following the layout guidelines application note for the evaluation kit. Document Number: For technical questions, contact: chipantenna vishay.com www.vishay.com Revision: 15-Mar-12 1 Preliminary Data Sheet VJ5301M433MXBSR www.vishay.com Vishay Vitramon VJ5301M433MXBSR Tuning Figure 4 VJ5301M433MXBSR XY Radiation Pattern 90 Final tuning configuration and component values for L , L , and 1 2 105- 10 75 C depend on customer PCB layout. Optimal tuning is possible 1 120 60 with just a few standard components. The nominal values shown -20 135 45 are for a tuned VJ5301M433MXBEK kit. 150 30 -30 165 15 -40 dBi 180 -50 0 -165 -15 Pole rotation -150 -30 -135 -45 -120 -60 -105 -75 -90 XY / Rotation plane / Horiznotal E-field polarization Figure 5 VJ5301M433MXBSR YZ Radiation Pattern 90 105 75 -4 120 60 Figure 1 Tuning example with inductors L , L and capacitor C 1 2 1 135 -14 45 150 30 -24 Power Reflection S11 (dB) Versus Frequency (MHz) MHz 370 390 410 430 450 470 490 510 165 15 -34 0 dBi 180 -44 0 Pole rotation -165 -15 -5 VJ5301M433 -150 -30 -135 -45 -10 -120 -60 -105 -75 -90 YZ / -15 Rotation plane / Horizontal E-field polarization >98% Power Coupling at Figure 6 VJ5301M433MXBSR XZ Radiation Pattern 433 MHz for 90 -20 VJ5301M433 105 75 -4 120 60 135 -14 45 dB -25 150 30 Frequency (MHz) -24 165 15 -34 Figure 2 VJ5301M433 tuned to 433 MHz with > 98% power coupled 180 -44 dBi 0 Pole rotation Rotation = 0 Receiver -165 -15 Plane Direction XY Y-axis -150 -30 YZ Z-axis -135 -45 XZ Z-axis -120 -60 The radiation patterns reference the elevation that is perpendicular to the azimuth pole rotation in . -105 -75 -90 XZ / Rotation plane / Vertical E-field polarization Figure 3 VJ5301M433 PCB mounting and coordinate directions Document Number: For technical questions, contact: chipantenna vishay.com www.vishay.com Revision: 15-Mar-12 2 Power Reflection S11 dB (50 )