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| Data Sheet Features * * * * * * * For AMPS, CDMA and TDMA applications Usable bandwidth 25 MHz Low loss No impedance matching required for operation at 50 Single-ended operation Ceramic Surface Mount Package (SMP) Small size Part Number 855821 836.5 MHz SAW Filter * Package Surface Mount 3.0 x 3.0 x 1.22 mm Pin Configuration 1 2 3 1.22 NOM. 1.32 MAX. 0.69 3.00 6 5 4 0.75 1.50 3.00 0.75 Pin No. 2,5 1,3,4,6 Description Input/Output Case ground 0.60 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 Last Updated: 14-May-2001 Page 1 of 5 Data Sheet Operating Temperature Range: (2) -40 to +85 oC Part Number 855821 836.5 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Maximum Insertion Loss 824 - 849 MHz Amplitude Variation 824 - 849 MHz Absolute Attenuation 10 - 800 MHz 869 - 894 MHz 978 - 1006 MHz 1050 - 2600 MHz Input/Output VSWR 824 - 849 MHz Terminating Source Impedance: (4) Terminating Load Impedance: (4) Operating Temperature Range Notes: 1. 2. 3. 4. Minimum 25 35 25 20 10 -40 Typical 836.5 1.9 0.8 30 40 35 28 14 50 50 25 Maximum 3 1.5 +85 Unit MHz dB dB p-p dB dB dB dB dB o C 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: 2 5 50 50 Single-ended 50 1,3,4,6 No impedance matching required Subject to change or obsolescence without notice Last Updated: 14-May-2001 Page 2 of 5 Data Sheet Part Number 855821 836.5 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Last Updated: 14-May-2001 Page 3 of 5 Data Sheet Part Number 855821 836.5 MHz SAW Filter Matching Schematics 2 5 50 50 Single-ended 50 1,3,4,6 No impedance matching required Marking Sawtek logo Marking code PCB Footprint 3.20 SQ .96 K XXX 1.70 1.27 Pad 1 ID dot .81 Date code .38 Date code is the day of the current year in 3-digit Julian format This footprint represents a recommendation only Dimensions shown are nominal in millimeters Tape and Reel 12.8 2.7 O330 Sawtek logo 4.0 0.21 2.0 O1.5 A 1.75 5.5 Pad 1 ID dot O102 O20.2 O13.0 12.0 3.25 2.0 Direction of travel 1.4 Section A-A 3.25 4.0 O1.5 A Dimensions shown are nominal in millimeters Packaging quantity: 5000 units/reel Subject to change or obsolescence without notice Last Updated: 14-May-2001 Page 4 of 5 Data Sheet Parameter Operating Temperature Range Storage Temperature Range RF Power Part Number 855821 836.5 MHz SAW Filter Maximum Ratings Symbol T Tstg Pin Minimum -40 -40 - Maximum +85 +85 +23 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 Reel and Packaging Label 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 Or contact one of our worldwide Network of sales offices, Representatives or distributors Last Updated: 14-May-2001 Page 5 of 5 |
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