Part Number 855653 374 MHz SAW Filter Data Sheet Features For WLAN applications Usable bandwidth 17 MHz Single-ended or Balanced operation Configurable to 50 and 200 input and output impedance Ceramic Surface Mount Package (SMP) Hermetic RoHS compliant (2002/95/EC), Pb-free Pb Package Pin Configuration Surface Mount 7.01 x 5.51 x 1.63 mm Bottom View 1 2 3 12 4 0.76 11 5 1.63 NOM. 1.78 MAX. 10 6 7.01 1.27 9 8 7 1.70 1.27 Pin No. Description 3 Output 5.51 4 Output return 9 Input 10 Input return 1,2,5,6 Case ground 0.79 1.14 7,8,11,12 Case ground Dimensions shown are nominal in millimeters All tolerances are 0.15mm except overall length and width +0.15mm/-0.10mm Body: Al O ceramic 2 3 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 B 17-Oct-2005 Page 1 of 5 Part Number 855653 374 MHz SAW Filter Data Sheet (1) Electrical Specifications (2) o Operating Temperature Range: -40 to +85 C (3) Parameter Minimum Typical Maximum Unit Center Frequency - 374 - MHz Insertion Loss - 8.5 11 dB Lower 3 dB Bandedge - 362 365.5 MHz Upper 3 dB Bandedge 382.5 386 - MHz Absolute Attenuation 274 - 341 MHz 50 55 - dB 341 - 352 MHz 40 60 - dB 352 - 357.5 MHz 10 50 - dB 390.5 - 396 MHz 10 37 - dB 396 - 430 MHz 30 45 - dB 430 - 474 MHz 45 50 - dB Passband Ripple - 0.6 1 dB p-p Group Delay Ripple - 60 100 nsec p-p Triple Transit Suppression 30 40.5 - dB (4) Source Impedance - 50 - (4) Load Impedance - 50 - Substrate Material - YZ LiNbO - - 3 Notes: 1. All specifications are based on the test circuit shown below 2. In production, devices will be tested at room temperature to a guardbanded specification to ensure electrical compliance over temperature 3. Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances 4. This is the optimum impedance in order to achieve the performance shown 5. Sawteks production specifications reflect the typical performance in a 50 ohm single-ended system. This filter can be used in both single-ended and/or differential modes at each port. In addition, similar performance can be achieved in source and load impedances ranging from 50 to 500 ohms. Test Circuit: Actual matching values may vary due to PCB layout and parasitics 22nH 93 50 15pF 12pF 50 50 Single-ended 1,2,4,5,6,7 8,10,11,12 Subject to change or obsolescence without notice Rev B 17-Oct-2005 Page 2 of 5