Part Number 855992 240 MHz SAW Filter Data Sheet Features • • • • • • • • For WCDMA basestation IF applications Usable bandwidth of 3.6 MHz Low loss High attenuation Single-ended operation Ceramic Surface Mount Package (SMP) Small size Package Pin Configuration Surface Mount 13.30 x 6.50 x 1.50 mm Bottom View 1 2 3 4 5 10 9 8 7 6 1.50 NOM. 1.65 MAX. 0.64 13.3 1.91 1.80 R0.51 6.50 2.31 1.02 Pin No. 5 10 1,6 2,3,4 7,8,9 Description RF output RF input Ground 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 - 1.0µm, over a 2 - 6µm Ni plating Subject to change or obsolescence without notice Rev C 09-Mar-2004 Page 1 of 5 Part Number 855992 240 MHz SAW Filter Data Sheet Electrical Specifications (1) Operating Temperature Range: (2) Parameter (3) Center Frequency, f0 Insertion Loss at Minimum Maximum Insertion Loss 238.2 - 241.8 MHz Lower 1 dB Point (4) Upper 1 dB Point (4) Amplitude Variation 238.2 - 241.8 MHz Group Delay 238.2 - 241.8 MHz Group Delay Ripple 238.2 - 241.8 MHz Phase Ripple 238.2 - 241.8 MHz Minimum Rejection 170 - 235 MHz 245 - 310 MHz Attenuation 236.70 MHz 237.07 MHz 237.50 MHz 242.50 MHz 242.93 MHz 243.30 MHz Input/Output VSWR 238.2 - 241.8 MHz Source Impedance: (5) Load Impedance: (5) -10 to +85 oC Minimum Typical Maximum Unit 12.5 240 14.3 16.5 MHz dB 12.5 241.8 14.8 238.10 241.94 16.5 238.2 - dB MHz MHz - 0.5 1 dB p-p 1.59 1.69 1.79 µsec - 0.060 0.15 µsec - 2 6 deg p-p 40 40 45 42 - dB dB 35 25 12 12 25 35 49 58 28 22 42 49 - dB dB dB dB dB dB - 1.5:1 50 50 2.0:1 - Ratio Ω Ω Notes: 1. 2. 3. 4. 5. 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 Relative to minimum insertion loss This is the optimum impedance in order to achieve the performance shown Subject to change or obsolescence without notice Rev C 09-Mar-2004 Page 2 of 5 Part Number 855992 240 MHz SAW Filter Data Sheet Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev C 09-Mar-2004 Page 3 of 5 Part Number 855992 240 MHz SAW Filter Data Sheet Matching Schematics Actual matching values may vary due to PCB layout and parasitics 18nH 18nH 10 50Ω Single-ended 8nH 50Ω 5 8nH 1,2,3,4 6,7,8,9 Marking 50Ω PCB Footprint 8.84 SAWTEK 855992 XXXXXX 6.70 1.22 2.00 The date code consists of: day of the current year (Julian, 3 digits), last digit of the year (1 digit) and hour (2 digits) .69 This footprint represents a recommendation only Dimensions shown are nominal in millimeters Tape and Reel ID dot 24.8 2.7 Ø330 0.3 4.0 2.0 Ø1.5 A 1.75 11.5 13.9 Ø102 24 Direction of travel Ø20.2 Ø13.0 2.0 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 C 09-Mar-2004 Page 4 of 5 Part Number 855992 240 MHz SAW Filter Data Sheet Maximum Ratings Parameter Operating Temperature Range Symbol Minimum Maximum Unit T -10 +85 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 09-Mar-2004 Page 5 of 5