Preliminary Data Sheet Part Number 856190 942.5 MHz SAW Filter Features * * * * * * * * * * * For EGSM applications Usable bandwidth 35 MHz Low loss High attenuation Superior amplitude and phase balance Single-ended input Balanced output Chip Scale Package (CSP) Ceramic surface mount package Hermetic Package Pin Configuration Surface Mount 2.00 x 1.50 x 0.76 mm Bottom View 2 3 5 4 1 0.76 NOM. 0.84 MAX. 2.00 1.80 1.30 1.50 0.30 0.30 Pin No. 1 2,5 3,4 Description Input Output Case ground 0.75 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 - 05-Mar-2003 Page 1 of 5 Part Number 856190 942.5 MHz SAW Filter Preliminary Data Sheet Electrical Specifications (1) Operating Temperature Range: (2) -20 to +80 oC Parameter (3) Minimum Typical Maximum Unit - 942.5 - MHz - 2.8 3.7 dB - 0.7 1.7 dB p-p 50 30 18 22 50 60 38 22 32 60 - dB dB dB dB dB - 2.0 2.4 - - 2.0 2.4 - 170 175 180 degree -0.75 - 0 50 210 || 60nH 0.75 - dB Center Frequency Maximum Insertion Loss 925 - 960 MHz Amplitude Variation 925 - 960 MHz Absolute Attenuation 0 - 880 MHz 880 - 905 MHz 905 - 915 MHz 980 - 1050 MHz 1050 - 6000 MHz Input VSWR 925 - 960 MHz Output VSWR 925 - 960 MHz Output Phase Balance (S31)- (S21) 925 - 960 MHz Output Amplitude Balance (|S31/S21|) 925 - 960 MHz Source Impedance Optimal 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 for maximum power transfer given a 50 ohm source impedance Test Circuit: Actual matching values may vary due to PCB layout and parasitics 1 50 Single-ended Input 3 45nH 50 Subject to change or obsolescence without notice 2,5 200 200 Balanced Output 4 Rev - 05-Mar-2003 Page 2 of 5 Preliminary Data Sheet Part Number 856190 942.5 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev - 05-Mar-2003 Page 3 of 5 Part Number 856190 942.5 MHz SAW Filter Preliminary Data Sheet Matching Schematics Actual matching values may vary due to PCB layout and parasitics 1 50 Single-ended Input 3 200 45nH 50 2,5 Marking PCB Footprint 2.00 MFG site Marking code 200 Balanced Output 4 L M 1.50 WWY 0.50 ID dot 0.50 Date code 0.75 The date code consists of: WW = 2 digit week, 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 8.8 O330 4.0 ID dot 0.3 2.0 O1.5 A 1.75 3.5 8.0 2.34 O102 O20.2 O13.0 Direction of travel 2.0 1.09 Section A-A 1.83 4.0 O1.0 A Dimensions shown are nominal in millimeters Packaging quantity: 10000 units/reel Subject to change or obsolescence without notice Rev - 05-Mar-2003 Page 4 of 5 Part Number 856190 942.5 MHz SAW Filter Preliminary 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 - 05-Mar-2003 Page 5 of 5