High Frequency Ceramic Solution Preliminary 783 MHz Antenna P/N 0783AT43A0008 Detail Specification: 10/01/09 Page 1 of 3 General Specifications Part Number 0783AT43A0008 Operating Temperature -40 to +85C Frequency Range 779 - 787 MHz Storage Temperature +5 ~ +35 C, Humidity Range 45~75%RH, 12 mos. max Peak Gain -2.0 dBi typ. (XZ-total) Average Gain -5.0 dBi typ. (XZ-total) Reel Quanity 1,000 Return Loss 9.5 dB min. Impedance 50 Input Power 2W max. No. Function Terminal Configuration Feeding Point 1 2 1 NC 2 Mechanical Dimensions In mm a L 0.2760.008 7.00 0.20 W 0.079 0.008 2.00 0.20 W T 0.031 +.004/-.008 0.80 +0.1/-0.2 T L a 0.0200.012 0.50 0.30 Mounting Considerations Mount these devices with brown mark facing up. Units: mm * Line width should be designed to provide 50 impedance matching characteristics. Matching circuit and component values will be different, depending on PCB layout 1.0 With Matching Circuit 1.0 8.0 With Matching Circuit Ground * 5.5 * 15 nH 1.0 5.6 pF 2.0 * 2.0 5.5 * 2.2 nH 6.8nH 8.0 0.5pF * 5.5 Ground 0.5 5.0 * 0.5 6.0 6.0 2.5 4.0 4.0 Matching circuits Matching circuits 7.0 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 ReserveHigh Frequency Ceramic Solution Preliminary 783 MHz Antenna P/N 0783AT43A0008 Detail Specification: 10/01/09 Page 2 of 3 Mounting Considerations Test Board ) ) ) 9.5mm 40mm ) ) ) ) 40mm 9.5mm 50 Feed Line ) 50 Feed Line 20mm Antenna 20mm 19mm Ground Antenna No Ground Return Loss (with matching) Ground 0 m1 freq=779.0MHz -5 dB(S(1,1))=-25.388 m2 -10 freq=783.0MHz dB(S(1,1))=-31.510 -15 m3 -20 freq=787.0MHz dB(S(1,1))=-29.631 m1 ) -25 m3 m2 -30 -35 -40 0.5 0.6 0.7 0.8 0.9 1.0 freq, GHz 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 dB(S(1,1))