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High Frequency Ceramic Solutions
868MHz Antenna
Detail Specification: 06/06/07 General Specifications
Part Number Frequency Range Peak Gain Average Gain Return Loss 0868AT43A0020 858 - 878 Mhz -1.0 dBi typ. (XZ-total) -4.0 dBi typ. (XZ-total) 9.5 dB min. Input Power Impedance Operating Temperature Reel Quanity MSL No. 1 2 Function Feeding Point NC 2 1 3W max. 50 -40 to +85C 1,000 2 Terminal Configuration
P/N 0868AT43A0020
Page 1 of 3
Mechanical Dimensions
In L W T a 0.276 0.008 0.079 0.008 0.031 +.004/-.008 0.020 0.012 mm 7.00 0.20 2.00 0.20 0.80 +0.1/-0.2 0.50 0.30 L W a T
Mounting Considerations
Mount these devices with brown mark facing up. Units: mm * Line width should be designed to provide 50 impedance matching characteristics. 1.0 With Matching Circuit * 18 nH * 3.9 pF * 0.3 pF 5.0 0.5 5.0 3.0 JTI P/N for Matching Circuit: Cap (0.3pF): 500R07S0R3BV4T Cap (3.9pF): 500R07S3R9BV4T Inductor (18nH): L-07C18NJV6T Matching circuits 7.0 2.0 8.0 5.5
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 2007 Johanson Technology, Inc. All Rights Reserved
High Frequency Ceramic Solutions
868MHz Antenna
Detail Specification: 06/06/07
P/N 0868AT43A0020
Page 2 of 3
Mounting Considerations
)
)
Test Board
) ) )
40mm 40mm
)
9.5mm 9.5mm 50 Feed Line 50 Feed Line
)
)
20mm
Antenna 20mm Ground 19mm Antenna No Ground
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 2007 Johanson Technology, Inc. All Rights Reserved
High Frequency Ceramic Solutions
868MHz Antenna
Detail Specification: 06/06/07
P/N 0868AT43A0020
Page 3 or 3
Typical Radiation Patterns
) ) )
)
)
)
)
XY-V/XY-H
Z
)
XY cut @868MHz Vertical Horizontal
180 90 Y 0 X 270 XY-cut scanning direction
XZ-V/XZ-H
Y 180
XZ cut @868MHz Vertical Horizontal
90 Z 0
X 270 XZ-cut scanning direction
)
YZ-V/YZ-H X 180 90
Z
YZ cut @868MHz Vertical Horizontal
Y 270 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 2007 Johanson Technology, Inc. All Rights Reserved

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