Part Number 855844 225 MHz SAW Filter Data Sheet Features * * * * * * * * For GSM IF applications Usable bandwidth of 160 kHz Low loss High attenuation Balanced operation Ceramic Surface Mount Package (SMP) Small size Package Pin Configuration Surface Mount 5.00 x 5.00 x 1.32 mm Bottom View 1 2 3 0.66 1.32 NOM. 1.52 MAX. 4 8 5.00 1.27 7 5.00 1.27 2.08 Pin No. 1 2 5 6 3,4,7,8 6 5 Description Input Input return Output Output return Case ground 0.64 Dimensions shown are nominal in millimeters All tolerances are 0.15mm except overall length and width +0.15/-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 A 01-Nov-2001 Page 1 of 5 Part Number 855844 225 MHz SAW Filter Data Sheet Electrical Specifications (1) Operating Temperature Range: (2) -20 to +70 oC Parameter (3) Minimum Typical Maximum Unit - 225 - MHz - 2.3 3.5 3.8 5.0 dB dB - 0.5 0.3 3.2 2.2 dB p-p dB p-p 35 26 5 5 26 35 45 32 11 13 30 39 - MHz MHz MHz MHz MHz MHz 42 42 45 45 - dB dB - 0.9 0.6 0.2 1.8 1.6 1.3 - sec sec sec Center Frequency, fo Insertion Loss at 225 MHz Excluding losses due to matching Including losses in matching test circuit shown below Amplitude Variation 224.9200 - 225.0800 MHz 224.9325 - 225.0675 MHz Rejection (4) 223 - 224.4 MHz 224.4 - 224.6 MHz 224.6 - 224.8 MHz 225.2 - 225.4 MHz 225.4 - 225.6 MHz 225.6 - 227.0 MHz Out of Band Rejection 10 - 215 MHz 235 - 750 MHz Group Delay Ripple 224.9200 - 225.0800 MHz 224.9325 - 225.0675 MHz 224.9500 - 225.0500 MHz Optimal Source Impedance: (5) Optimal Load Impedance: (5) 704||332nH 739||359nH Notes: 1. 2. 3. 4. 5. 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 manufacturing tolerances Relative to insertion loss at 225 MHz This is the complex conjugate of the unmatched filter's impedance resulting in maximum power transfer Test Circuit: 7pF 7pF 2 50 Balanced 5 82nH 50 82nH 1 7pF Subject to change or obsolescence without notice 3,4,7,8 50 6 7pF Rev A 01-Nov-2001 Page 2 of 5 Part Number 855844 225 MHz SAW Filter Data Sheet Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev A 01-Nov-2001 Page 3 of 5 Part Number 855844 225 MHz SAW Filter Data Sheet Matching Schematics Actual matching values may vary due to PCB layout and parasitics 7pF 7pF 2 50 Balanced 5 82nH 50 50 82nH 1 3,4,7,8 6 7pF 7pF Marking PCB Footprint 5.20 2.28 Sawtek logo 1.47 Marking code C JJJYM .84 .71 .43 Date code ID dot The date code consists of: JJJ = Julian day, Y = last digit of year, M = manufacturing site code 1.47 .84 This footprint represents a recommendation only Dimensions shown are nominal in millimeters Tape and Reel 2.7 12.8 Sawtek logo O330 0.3 ID dot O102 O20.2 O13.0 2.0 Direction of travel 2.0 4.0 O1.5 A 1.75 5.5 5.25 1.8 Section A-A 5.25 8.0 O1.5 12.0 A Dimensions shown are nominal in millimeters Packaging quantity: 4000 units/reel Subject to change or obsolescence without notice Rev A 01-Nov-2001 Page 4 of 5 Part Number 855844 225 MHz SAW Filter Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Symbol Minimum Maximum T Tstg -20 -40 +70 +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: custservice@sawtek.com Web: www.sawtek.com Rev A 01-Nov-2001 Page 5 of 5