855395

Data Sheet Features • • • • • • • For CDMA basestation IF applications Usable bandwidth of 1.18 MHz Low loss High attenuation Single-ended operation Ceramic Surface Mount Package (SMP) Small size Part Number 855395 141 MHz SAW Filter • Package Surface Mount 19.00 x 6.50 x 1.75 mm Pin Configuration Bottom View 1 2 3 4 5 1.75 NOM. 1.96 MAX. 0.76 10 9 8 7 6 19.0 1.80 1.91 R0.51 6.50 2.31 1.02 Pin No. 1 5 6 10 2,3,4 7,8,9 Description Input Output return Output Input return Case ground Case ground Dimensions shown are nominal in millimeters All tolerances are ±0.15mm except overall length and width +0.15mm/-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 A 08-Mar-2004 Page 1 of 5 Data Sheet Operating Temperature Range: (2) 0 to +85 oC Part Number 855395 141 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency, f0 Insertion Loss at 141MHz Amplitude Variation 140.475 - 141.525 MHz Attenuation 139.75 140.41 141.59 142.25 Phase Linearity 140.37 - 141.63 MHz Average Delay 140.37 - 141.63 MHz Group Delay Variation 140.475 - 141.525 MHz Rejection 79.75 - 139.75 MHz 142.25 - 202.25 MHz Return Loss 140.475 - 141.525 MHz Source Impedance: (4) Load Impedance: (4) Notes: 1. 2. 3. 4. Minimum 42.5 42.5 2.34 42.5 42.5 10 - Typical 141 11.7 0.67 48 1 1 48 1.2 2.44 145 >45 >45 13 50 50 Maximum 14 1 3.75 3.75 2 2.54 300 - Unit MHz dB dB p-p dB dB dB dB Deg RMS µsec nsec dB dB dB Ω Ω 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 Manual Test Circuit: 104nH 1 6 56pF 50Ω 104nH 50Ω Single-ended 50Ω 56pF 2,3,4,5 7,8,9,10 Subject to change or obsolescence without notice Rev A 08-Mar-2004 Page 2 of 5 Data Sheet Part Number 855395 141 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev A 08-Mar-2004 Page 3 of 5 Data Sheet Actual matching values may vary due to PCB layout and parasitics 104nH 1 6 104nH Part Number 855395 141 MHz SAW Filter Matching Schematics 50Ω Single-ended 50Ω 56pF 2,3,4,5 7,8,9,10 56pF 50Ω Marking PCB Footprint 8.84 SAWTEK 855395 XXXXXX ID Dot Date Code 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 2.7 32.8 Ø330 ID dot 0.3 2.0 4.0 Ø1.5 R0.75 A 1.75 14.2 19.6 32.0 28.4 Ø102 Ø20.2 Ø13.0 2.0 0.20 Direction of travel 2.3 Section A-A 7.1 12.0 Ø1.5 A Dimensions shown are nominal in millimeters Packaging quantity: 2000 units/reel Subject to change or obsolescence without notice Rev A 08-Mar-2004 Page 4 of 5 Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Part Number 855395 141 MHz SAW Filter Symbol T Tstg Minimum 0 -40 Typical +25 - Maximum +85 +85 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 Contact Information PO Box 609501 Orlando, FL 32860-9501 USA 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 Subject to change or obsolescence without notice Rev A 08-Mar-2004 Page 5 of 5