Preliminary "High Frequency Ceramic Solutions" 915 MHz Antenna P/N 0915AT43A0042 Page 1 of 3 Detail Specification: 11/30/2009 General Specifications Part Number 0915AT43A0042 Operating Temperature Frequency Range 894 - 936 MHz Peak Gain -1.0 dBi typ. (XZ-total) Storage Temperature Range Average Gain -4.0 dBi typ. (XZ-total) Reel Quanity Return Loss 8.5 dB min. Impedance 50 Ω Input Power 2W max. -40 to +85°C +5 ~ +35 °C, Humidity 45~75%RH, 12 mos. max 1,000 No. Function 1 Feeding Point 2 NC Terminal Configuration 1 2 Mechanical Dimensions In mm L 0.276 ± 0.008 7.00 ± 0.20 W 0.079 ± 0.008 2.00 ± 0.20 T 0.031 +.004/-.008 0.80 a 0.020 ± 0.012 0.50 ± 0.30 a W T +0.1/-0.2 L Mounting Considerations Mount these devices with brown mark facing up. Units: mm * Line width should be designed to provide 50 Ω impedance matching characteristics. **Matching circuit and component values will be different, depending on PCB layout 1.0 With Matching Circuit Ground 5.6 pF 8.0 0.5 1.1 0.6 5.8 1.0 * 2.0 2.2 nH 5.5 Ground 0.5 4.0 6.0 Matching circuits** 7.5 Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2009 Johanson Technology, Inc. All Rights Reserved Preliminary "High Frequency Ceramic Solutions" 915 MHz Antenna P/N 0915AT43A0042 Page 2 of 3 Detail Specification: 11/30/2009 Mounting Considerations * 50Ω feed line can be shorter, 19mm length is for testing purposes ) ) ) ) Test Board ) 50Ω Feed Line ) 40mm 40mm ) 9.5mm 9.5mm ) 50Ω Feed Line 20mm 20mm Antenna 19mm* Ground Antenna No Ground "keep out" area Return Loss (with matching) Ground ) Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2009 Johanson Technology, Inc. All Rights Reserved Preliminary "High Frequency Ceramic Solutions" 915 MHz Antenna P/N 0915AT43A0042 Page 3 or 3 Detail Specification: 11/30/2009 Typical Radiation Patterns ) ) ) ) ) ) XY cut @915MHz Vertical Horizontal ) XY-V/XY-H Z ) 180° X 270° 90° Y 0° XZ-V/XZ-H XY-cut scanning direction XZ cut @915MHz Vertical Horizontal Y 180° X 270° 90° Z 0° XZ-cut scanning direction ) YZ cut @915MHz Vertical Horizontal YZ-V/YZ-H X 180° Y 270° 90° Z 0° YZ-cut scanning direction Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2009 Johanson Technology, Inc. All Rights Reserved