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| Data Sheet Features * * * * * For multichannel CDMA transceiver applications Usable bandwidth 3.69 MHz High attenuation Single-ended operation Ceramic Surface Mount Package (SMP) Part Number 855958 118.579 MHz SAW Filter * Package Surface Mount 13.3 x 6.50 x 1.50 mm Pin Configuration Bottom View 1 1.50 NOM. 1.65 MAX. 0.64 2 3 4 5 10 13.3 1.80 1.91 9 8 7 6 6.50 R0.51 2.31 1.02 Pin No. 5 10 1,6 2,3,4,7,8,9 Description Output Input Ground Case ground Dimensions shown are nominal in millimeters All tolerances are 0.15mm except overall length and width 0.10mm Body: Al2O3 ceramic Lid: Kovar, Ni plated Terminations: Au plating 0.5 - 1.0m, over a 2 - 6m Ni plating Subject to change or obsolescence without notice Rev - 29-Oct-2002 Page 1 of 5 Data Sheet Operating Temperature Range: (2) -40 to +85 oC Part Number 855958 118.579 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Minimum Insertion Loss Lower 1.5 dB Bandwidth (4) Upper 1.5 dB Bandwidth Passband Variation Phase Ripple 116.734 - 120.424 MHz Phase Ripple 116.734 - 120.424 MHz Ultimate Rejection (4) 15 - 113.679 MHz 123.479 - 126.48 MHz 126.48 - 200 MHz Rejection (4) 102.609 MHz 108.749 MHz 113.679 MHz 115.369 MHz 115.849 MHz 116.119 MHz 121.039 MHz 121.309 MHz 121.789 MHz 123.479 MHz 126.480 MHz 134.549 MHz Input/Output VSWR 116.734 - 120.424 MHz Source Impedance (5) Load Impedance (5) Notes: 1. 2. 3. 4. 5. Minimum 120.424 45 43 45 45 45 45 20 10 4 4 10 20 43 45 45 - Typical 118.579 17.4 116.531 120.673 0.45 3.943 0.933 56.55 51.59 57.29 74.71 71.59 56.64 52.17 15.84 7.13 5.67 12.21 39.97 56.25 62.87 68.40 3.03 50 50 Maximum 19.0 116.734 1.5 8.0 2.22 3.71 - Unit MHz dB MHz MHz dB p-p deg p-p deg rms dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB All specifications are based on the test circuit shown on page 4 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 All attenuation measurements are relative to minimum insertion loss This is the optimum impedance in order to achieve the performance shown Subject to change or obsolescence without notice Rev - 29-Oct-2002 Page 2 of 5 Data Sheet Part Number 855958 118.579 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev - 29-Oct-2002 Page 3 of 5 Data Sheet Actual matching values may vary due to PCB layout and parasitics 270nH 10 5 Part Number 855958 118.579 MHz SAW Filter Matching Schematics 330nH 50 Single-ended 50 270nH 1,2,3,4 6,7,8,9 180nH 50 Marking PCB Footprint 8.84 SAWTEK 855958 XXXXXX 6.70 2.00 1.22 .69 The date code consists of: day of the current year (Julian, 3 digits), last digit of the year (1 digit) and hour (2 digits) This footprint represents a recommendation only Dimensions shown are nominal in millimeters Tape and Reel 24.8 2.7 O330 ID dot 0.3 2.0 4.0 O1.5 A 1.75 11.5 13.9 24 O102 Direction of travel O20.2 O13.0 2.0 2.3 Section A-A 7.1 12.0 O1.5 A Dimensions shown are nominal in millimeters Packaging quantity: 2000 units/reel Subject to change or obsolescence without notice Rev - 29-Oct-2002 Page 4 of 5 Data Sheet Parameter Operating Temperature Range Storage Temperature Range T Tstg Part Number 855958 118.579 MHz SAW Filter Maximum Ratings Symbol Minimum -40 -60 Maximum +85 +125 Unit o o C C Warnings * * Electrostatic Sensitive Device (ESD) Avoid ultrasonic exposure Links to Additional Technical Information PCB Layout Tips S-Parameters Qualification Flowchart Soldering Profile 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 Phone: +1 (407) 886-8860 Fax: +1 (407) 886-7061 Email: custservice@sawtek.com Web: www.sawtek.com Rev - Or contact one of our worldwide Network of sales offices, Representatives or distributors 29-Oct-2002 Page 5 of 5 |
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