Part Number 856055 942.5 MHz SAW Filter Data Sheet Features • • • • • • • • For EGSM applications Usable bandwidth 35 MHz High attenuation No impedance matching required for operation at 50 Ω Single-ended operation Ceramic Surface Mount Package (SMP) Small size Package Pin Configuration Surface Mount 2.50 x 2.00 x 0.76 mm Bottom View 1 2 4 3 0.76 NOM. 0.84 MAX. 2.50 1.54 2.00 0.3X45° CHAMFER 1.30 0.58 Pin No. 1 3 2,4 Description Input Output Case ground 0.84 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 - 1.0µm, over a 2 - 6µm Ni plating Subject to change or obsolescence without notice Rev C 04-Sep-2002 Page 1 of 5 Part Number 856055 942.5 MHz SAW Filter Data Sheet Electrical Specifications (1) Operating Temperature Range: (2) -20 to +70 oC Parameter (3) Minimum Typical Maximum Unit - 942.5 - MHz - 2.0 3.5 3.5 3.9 dB dB 45 31 15 20 23 35 40 30 20 15 50 48 30 27 30 43 47 32 30 30 - dB dB dB dB dB dB dB dB dB dB 8 - 13 50 50 - dB Ω Ω Center Frequency Maximum Insertion Loss 925 - 960 MHz (+15 to +35 oC) 925 - 960 MHz ( -20 to +70 oC) Absolute Attenuation 0 - 880 MHz 880 - 905 MHz 905 - 915 MHz 980 - 982 MHz 982 - 1005 MHz 1005 - 1035 MHz 1035 - 1760 MHz 1760 - 2500 MHz 2500 - 3120 MHz 3120 - 4000 MHz Input/Output Return Loss 925 - 960 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 Ω Single-ended Subject to change or obsolescence without notice 50Ω 3 2,4 50Ω Rev C No impedance matching required 04-Sep-2002 Page 2 of 5 Part Number 856055 942.5 MHz SAW Filter Data Sheet Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev C 04-Sep-2002 Page 3 of 5 Part Number 856055 942.5 MHz SAW Filter Data Sheet Matching Schematics 1 50 Ω Single-ended 50Ω 3 No impedance matching required 50Ω 2,4 Marking PCB Footprint 2.59 Marking code Sawtek logo E JJJYM 2.08 CHAMFER .36x45° .78 .51 ID dot .51 Date code 1.04 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 8.8 Ø330 2.7 ID dot Sawtek logo 4.0 0.3 2.0 Ø1.5 A 1.75 3.5 8.0 2.75 Ø102 Direction of travel Ø20.2 Ø13.0 2.0 1.1 Section A-A 2.23 4.0 Ø1.0 A Dimensions shown are nominal in millimeters Packaging quantity: 10000 units/reel Subject to change or obsolescence without notice Rev C 04-Sep-2002 Page 4 of 5 Part Number 856055 942.5 MHz SAW Filter Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Symbol Minimum Maximum T Tstg -20 -40 +70 +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: [email protected] Web: www.sawtek.com Rev C 04-Sep-2002 Page 5 of 5