Preliminary Data Sheet Part Number 855938 1950 MHz SAW Filter Features • • • • • • • • For 3G applications Usable bandwidth 60 MHz Low loss No impedance matching required for operation at 50 Ω Single-ended operation Ceramic Surface Mount Package (SMP) Small size Package Pin Configuration Surface Mount 3.00 x 3.00 x 1.22 mm Bottom View 1 2 3 6 5 4 1.22 NOM. 1.32 MAX. 0.69 3.00 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 - 1.0µm, over a 2 - 6µm Ni plating Subject to change or obsolescence without notice Rev C 29-Jan-2002 Page 1 of 5 Part Number 855938 1950 MHz SAW Filter Preliminary Data Sheet Electrical Specifications (1) Operating Temperature Range: (2) -30 to +85 oC Parameter (3) Minimum Typical Maximum Unit - 1950 - MHz - 2.7 5 dB 20 29 28 28 25 25 31 30 32 32 - dB dB dB dB dB - 1.6 2.10 - - 1.7 50 50 2.61 - Ω Ω Center Frequency Maximum Insertion Loss 1920 - 1980 MHz Absolute Attenuation 10 - 1850 MHz 380 MHz 2110 - 2170 MHz 2300 - 2360 MHz 2680 - 2740 MHz Input VSWR 1920 - 1980 MHz Output VSWR 1920 - 1980 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: 2 50 Ω Single-ended Subject to change or obsolescence without notice 50Ω 5 1,3,4,6 50Ω Rev C No impedance matching required 29-Jan-2002 Page 2 of 5 Preliminary Data Sheet Part Number 855938 1950 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev C 29-Jan-2002 Page 3 of 5 Part Number 855938 1950 MHz SAW Filter Preliminary Data Sheet Matching Schematics 2 50 Ω Single-ended 50Ω 5 No impedance matching required 50Ω 1,3,4,6 Marking PCB Footprint 3.20 SQ .96 Marking code Sawtek logo 1.70 9 JJJYM 1.27 ID dot .81 Date code .38 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 2.7 12.8 4.0 Sawtek logo Ø330 0.21 2.0 Ø1.5 A 1.75 5.5 ID dot Ø102 Ø20.2 Ø13.0 2.0 Direction of travel 12.0 3.25 1.4 3.25 4.0 A Ø1.5 Section A-A Dimensions shown are nominal in millimeters Packaging quantity: 5000 units/reel Subject to change or obsolescence without notice Rev C 29-Jan-2002 Page 4 of 5 Part Number 855938 1950 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 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 29-Jan-2002 Page 5 of 5