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| Data Sheet Features * * * * * For GSM/EDGE applications Usable bandwidth 400 KHz Single-ended and differential operation Ceramic Surface Mount Package (SMP) Small size Part Number 855885 208 MHz SAW Filter * Package Surface Mount 13.3 x 6.50 x 1.75 mm Pin Configuration Bottom View 1 1.75 NOM. 1.96 MAX. 0.76 13.3 2.54 2.18 6.50 2.54 2 3 4 5 6 12 11 10 9 8 7 1.17 x 3.76 0.79 1.50 Pin No. 5 6 11 12 1,2,3,4 7,8,9,10 Description Output Output return Input Input return Case 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 - 14-Mar-2002 Page 1 of 5 Data Sheet Operating Temperature Range: (2) -10 to +85 oC Part Number 855885 208 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Insertion Loss at Fo 1 dB Lower Frequency 1 dB Upper Frequency 8 dB Lower Frequency 8 dB Upper Frequency 20 dB Lower Frequency 20 dB Upper Frequency Amplitude Variation 207.8 - 208.2 MHz Group Delay Variation 207.8 - 208.2 MHz Absolute Delay 207.8 - 208.2 MHz Absolute Attenuation 10 - 195 MHz 195.0 - 198.5 MHz 198.5 - 202.0 MHz 202.0 - 204.6 MHz 204.6 - 206.2 MHz 206.2 - 206.8 MHz 209.2 - 209.8 MHz 209.8 - 211.4 MHz 211.4 - 214.0 MHz 214.0 - 217.5 MHz 217.5 - 221.0 MHz 221.0 - 450.0 MHz Input/Output VSWR 207.8 - 208.2 MHz Source Impedance (4) Load Impedance (4) Notes: 1. 2. 3. 4. Minimum 4 208.2 207.4 206.8 0.7 55 43 40 34 25 20 20 25 34 40 43 55 - Typical 208 5.0 207.724 208.340 207.498 208.571 207.294 208.774 0.38 172 1.113 63 62 51 45 39 31 33 37 45 53 55 60 1.46/1.54 50 50 Maximum 7 207.8 208.6 - Unit MHz dB MHz MHz MHz MHz MHz MHz dB p-p nsec sec dB dB dB dB dB dB dB dB dB dB dB dB 209.2 1 300 1.7 2.3 - 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 This is the optimum impedance in order to achieve the performance shown Subject to change or obsolescence without notice Rev - 14-Mar-2002 Page 2 of 5 Data Sheet Part Number 855885 208 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev - 14-Mar-2002 Page 3 of 5 Data Sheet Actual matching values may vary due to PCB layout and parasitics 150nH 11 120nH 5 Part Number 855885 208 MHz SAW Filter Matching Schematics 50 Single-ended 50 33pF 1,2,3,4,6 7,8,9,10,12 33pF 50 Marking 1.70 PCB Footprint 13.51 3.53 SAWTEK 855885 XXXXXX ID Dot Date Code 6.70 .99 .99 8.61 1.55 1.70 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 - 14-Mar-2002 Page 4 of 5 Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Input Power Part Number 855885 208 MHz SAW Filter Symbol T Tstg Pin Minimum -10 -40 - Typical +25 - Maximum +85 +125 10 Unit C C dBm o o 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 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 14-Mar-2002 Page 5 of 5 |
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