Part Number 856083 1855 MHz SAW Filter Data Sheet Features * * * * * * * * * For Korean PCS applications, Rx Usable bandwidth 30 MHz Low loss High attenuation No impedance matching required for operation at 50 Single-ended operation Ceramic Surface Mount Package (SMP) Small size Package Pin Configuration Surface Mount 2.00 x 2.00 x 0.76 mm Bottom View 1 2 4 3 0.76 NOM. 0.84 MAX. 2.00 1.30 2.00 0.25x45 CHAMFER 1.30 0.58 Pin No. 1 3 2,4 Description Input Output Case ground 0.58 Dimensions shown are nominal in millimeters All tolerances are 0.10mm Body: Al2O3 ceramic Lid: Kovar or Alloy 42, Au over Ni plated Terminations: Au plating 0.5 - 1.0m, over a 2 - 6m Ni plating Subject to change or obsolescence without notice Rev B 05-Sep-2002 Page 1 of 5 Part Number 856083 1855 MHz SAW Filter Data Sheet Electrical Specifications (1) Operating Temperature Range: (2) -30 to +85 oC Parameter (3) Minimum Typical Maximum Unit - 1855 - MHz - 1.6 2.5 dB - 0.2 1 dB p-p 30 25 35 30 38 31 45 35 - dB dB dB dB - 1.6:1 50 50 2:1 - dB Center Frequency Insertion Loss 1840 - 1870 MHz Amplitude Ripple 1840 - 1870 MHz Absolute Attenuation 1440 - 1470 MHz 1750 - 1780 MHz 1930 - 1960 MHz 2240 - 2270 MHz Input/Output VSWR 1840 - 1870 MHz Source Impedance: (4) Load Impedance: (4) Notes: 1. 2. 3. 4. All specifications are based on the test circuit shown below In production, devices will be tested at room temperature to a guardbanded specification to ensure electrical compliance over temperature Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances This is the optimum impedance in order to achieve the performance shown Test Circuit: 1 50 Single-ended Subject to change or obsolescence without notice 50 3 2,4 50 Rev B No impedance matching required 05-Sep-2002 Page 2 of 5 Part Number 856083 1855 MHz SAW Filter Data Sheet Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev B 05-Sep-2002 Page 3 of 5 Part Number 856083 1855 MHz SAW Filter Data Sheet Matching Schematics 1 50 Single-ended 50 3 2,4 Marking PCB Footprint .51 Marking code Sawtek logo No impedance matching required 50 G 2.08 SQ JJJYM ID dot .31x45 CHAMFER Date code .78 SQ The date code consists of: JJJ = Julian day, Y = last digit of year, M = manufacturing site code This footprint represents a recommendation only Dimensions shown are nominal in millimeters Tape and Reel 2.7 8.5 O330 ID dot Sawtek logo 4.0 0.254 2.0 O1.5 A 1.75 3.5 2.23 O102 O20.2 O13.0 Direction of travel 2.0 1.1 Section A-A 2.23 4.0 O1.0 8.0 A Dimensions shown are nominal in millimeters Packaging quantity: 10000 units/reel Subject to change or obsolescence without notice Rev B 05-Sep-2002 Page 4 of 5 Part Number 856083 1855 MHz SAW Filter Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Symbol Minimum Maximum T Tstg -30 -40 +85 +85 Unit o C C o Warnings * * Electrostatic Sensitive Device (ESD) Avoid ultrasonic exposure Links to Additional Technical Information PCB Layout Tips Qualification Flowchart Soldering Profile S-Parameters Other Technical Information Sawtek's liability is limited only to the Surface Acoustic Wave (SAW) component(s) described in this data sheet. Sawtek does not accept any liability for applications, processes, circuits or assemblies which are implemented using any Sawtek component described in this data sheet. Contact Information PO Box 609501 Orlando, FL 32860-9501 USA Subject to change or obsolescence without notice Or contact one of our worldwide Network of sales offices, Representatives or distributors Phone: +1 (407) 886-8860 Fax: +1 (407) 886-7061 Email: custservice@sawtek.com Web: www.sawtek.com Rev B 05-Sep-2002 Page 5 of 5