Microwave Ceramics and Modules Patch – Antenna for GPS 1575 MHz Antenna B69740U1577A250 Data Sheet Features •### One feed Patch CP (right) Antenna • MgTiO3-CaTiO3 (εr = 21 / TCf = 0±10 ppm/K) with a coating of burn in silver (>5µm) • Feed contact: pin of brass, tin coated (5µm to 10µm Sn) • Option of adhesive tape for mounting of ceramic body Index Page 2 z Component drawing Page 3 z Characteristics z Maximum ratings z Vertical directional diagram z VSWR-Diagram, Smith-Diagram Page 4 z Processing information z Soldering requirements z Delivery mode ISSUE DATE 03.03.04 ISSUE B PUBLISHER SAW MWC PD PAGE 1/4 Microwave Ceramics and Modules Patch – Antenna for GPS 1575 MHz Antenna B69740U1577A250 Data Sheet Component drawing A A adhesive tape Profile A-A: full metallized ISSUE DATE 03.03.04 ISSUE B PUBLISHER SAW MWC PD PAGE 2/4 Microwave Ceramics and Modules Patch – Antenna for GPS 1575 MHz Antenna B69740U1577A250 Data Sheet Characteristics min. typ. max. Center frequency1) fc - t.b.d. - MHz Center frequency2) fc - 1575,4 - MHz Bandwidth B 20 SWR 1.5 Impedance Z 50 Ω Gain at fc (Θ=0°) G 5 dBi Axial ratio (-30°<Θ<30°, 0<ϕ<360°) A 3 dB Standing wave ratio Notes: 1) 2) 2.0 Measured on brass plate 120x120 mm² with SMA connector Measured in customer application Maximum ratings IEC climatic category (IEC 68-1) - 40/+ 90/56 Operating temperature Top -40 / 90 Vertical directional diagram (spinning dipol methode) ISSUE DATE MHz 03.03.04 °C VSWR-Diagram Smith-Diagram ISSUE B PUBLISHER SAW MWC PD PAGE 3/4 Microwave Ceramics and Modules Patch – Antenna for GPS 1575 MHz Antenna B69740U1577A250 Data Sheet Processing information z Wettability acc. to IEC 68-2-58: ≥75% (after aging) ZNr.: 1 (ANTENNEN.XLS) Soldering requirements Soldering type wave soldering Maximum soldering temperature 260 (max. 10 sec.) °C Temp. [°C] Recommended soldering conditions : 10s normal profile limit profile 2nd wave 235°C to 260°C 5K/s 1st wave 2K/s ~200K/s 100°C to 130°C forced cooling 2K/s Time [s] Delivery mode z Blister tape to IEC 286-3, PS , grey z Pieces/tape: 200 z Reel: diameter 330 mm; drawing of tape: Profile B-B: Profile A-A: A B B A direction of unreeling EPCOS AG 2001. All Rights Reserved. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the information contained therein without EPCOS' prior express consent is prohibited. The information contained in this data sheet describes the type of component and shall not be considered as guaranteed characteristics. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers' Association), unless otherwise agreed. ISSUE DATE 03.03.04 ISSUE B PUBLISHER SAW MWC PD PAGE 4/4