18.5x18.5x4 Ceramic Patch Antenna (Standard) 1. Explanation of Product Number H 2 P 1 3 C (1) A (2) B A C 0 (3) (4) (5) 1 0 0 (6) Product Code: (1) Product Categories: 3: ceramic patch antenna (2) Dimensions and Polarization: CA: 18.5x18.5x04(mm)/right hand circular polarization (3) Material: B: MA-PF (4) Working Frequency: A: 1575.42MHz (5) Ground Plane Dimensions: C: 50x50(mm) (6) Antenna Series: 01: serial number Tolerances (Unless otherwise specified) X: ± 1 X.X : ± 0.1 X.XX : ± 0.01 Angle : ± Hole Dia. : ± Scale : Prepared By : Meiping Designed By : Chinling Unit：mm Checked By : Chinling Approved By : Herbert TITLE：18.5*18.5*4 Ceramic Patch Antenna (Standard) Unictron Technologies Corporation Website:www.unictron.com 2010-03-03 THIS SPECIFICATION IS THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED IN ALL CIRCUMSTANCES WITHOUT WRITTEN PERMISSION DOCUMENT NO. REV. H2P13CABAC0100 PAGE 1 OF E 5 2. Features *Stable and reliable in performances *Low temperature coefficient of frequency *Compact size *RoHS compliance 3. Applications *Navigation systems or position tracking systems *Hand-held devices when GPS function is needed, e.g., PDA, Smart phone, PND. 4. Description Unictron’s patch antenna series are ceramic antennas specially designed for GPS application. This ceramic patch antenna has excellent stability and sensitivity through the use of high performance proprietary ceramic materials and processes. 5. Electrical Specifications (50x50(mm) ground plane) Characteristics Specifications Unit Outline Dimensions Ground Plane Center Frequency* Bandwidth (under -10dB return loss) VSWR Impedance Polarization @Zenith Gain @10°Elevation 18.5×18.5×4 50×50 1578±2 mm mm MHz MHz Axial Ratio Temperature Coefficient of Frequency 9min. 1.5 max. 50 RHCP +2.5 (typical) -4. (typical) 3 (typical) 0±20 max (@ -20℃~80℃) Ω dBic dB ppm/℃ *Center frequency will be offset to working frequency according to the conditions of user’s ground plane and radome. Tolerances (Unless otherwise specified) X: ± 1 X.X : ± 0.1 X.XX : ± 0.01 Angle : ± Hole Dia. : ± Scale : Prepared By : Meiping Designed By : Chinling Unit：mm Checked By : Chinling Approved By : Herbert TITLE：18.5*18.5*4 Ceramic Patch Antenna (Standard) Unictron Technologies Corporation Website:www.unictron.com THIS SPECIFICATION IS THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED IN ALL CIRCUMSTANCES WITHOUT WRITTEN PERMISSION DOCUMENT NO. REV. H2P13CABAC0100 PAGE 2 OF E 5 6. Antenna Dimensions (unit: mm) 7. Electrical Characteristics (50x50 mm) ground plane) Return Loss(S11) Smith Chart Tolerances (Unless otherwise specified) X: ± 1 X.X : ± 0.1 X.XX : ± 0.01 Angle : ± Hole Dia. : ± Scale : Prepared By : Meiping Designed By : Chinling Unit：mm Checked By : Chinling Approved By : Herbert TITLE：18.5*18.5*4 Ceramic Patch Antenna (Standard) Unictron Technologies Corporation Website:www.unictron.com 2010-03-03 THIS SPECIFICATION IS THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED IN ALL CIRCUMSTANCES WITHOUT WRITTEN PERMISSION DOCUMENT NO. REV. H2P13CABAC0100 PAGE 3 OF E 5 8. Axial Ratio (50x50(mm) ground plane) 20 18 16 Axial Ratio(dB) 14 12 10 8 6 4 2 0 1569 1571 1573 1575 1577 1579 1581 1583 1585 1587 1589 Frequency(MHz) 9. Gain vs. Ground Plane Size Gain(dBic) Frequency:1578MHz 3.5 3 2.5 2 1.5 1 0.5 0 18.5 25 30 40 50 60 Side size of square ground plane (mm) Tolerances (Unless otherwise specified) X: ± 1 X.X : ± 0.1 X.XX : ± 0.01 Angle : ± Hole Dia. : ± Scale : Prepared By : Meiping Designed By : Chinling Unit：mm Checked By : Chinling Approved By : Herbert TITLE：18.5*18.5*4 Ceramic Patch Antenna (Standard) Unictron Technologies Corporation Website:www.unictron.com 2010-03-03 THIS SPECIFICATION IS THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED IN ALL CIRCUMSTANCES WITHOUT WRITTEN PERMISSION DOCUMENT NO. REV. H2P13CABAC0100 PAGE 4 OF E 5 10. Radiation Pattern (50x50(mm) ground plane) 00 Far-field amplitude of Gain Chart for 1578MHz.nsi Ppol,,FF Xpol,1.578000 GHz, 345 0 15 330 30 315 45 300 60 285 75 270 -30 -20 -10 0 dB 255 90 105 240 120 225 135 210 150 195 165 180 900 Far-field amplitude of Gain Chart for 1578MHz01.nsi Ppol,Gain Chart for 1578MHz01,,FF 345 Xpol,,Hcut,1.578000 GHz 0 15 330 30 315 45 300 60 285 75 270 -30 -20 -10 0 dB 255 90 105 240 120 225 135 210 150 195 180 165 Right hand circular polarized signal f0=1578MHz Tolerances (Unless otherwise specified) X: ± 1 X.X : ± 0.1 X.XX : ± 0.01 Angle : ± Hole Dia. : ± Scale : Prepared By : Meiping Designed By : Chinling Unit：mm Checked By : Chinling Approved By : Herbert TITLE：18.5*18.5*4 Ceramic Patch Antenna (Standard) Unictron Technologies Corporation Website:www.unictron.com 2010-03-03 THIS SPECIFICATION IS THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED IN ALL CIRCUMSTANCES WITHOUT WRITTEN PERMISSION DOCUMENT NO. REV. H2P13CABAC0100 PAGE 5 OF E 5