Part Number 854659 70 MHz SAW Filter Data Sheet Features Usable bandwidth of 4.5 MHz Typical 3 dB bandwidth of 4.9 MHz Low loss High attenuation Single-ended operation, 50 Ceramic Surface Mount Package (SMP) Hermetic Package Pin Configuration Surface Mount 13.30 x 6.50 x 1.75 mm Bottom View 1 2 3 4 1.75 NOM. 12 5 1.96 MAX. 11 6 0.76 10 9 8 7 13.3 2.54 2.18 Pin No. Description 6.50 2.54 5 Output 11 Input 6,12 Ground 1,2,3,4 Case Ground 1.17 x 3.76 0.79 1.50 7,8,9,10 Case Ground Dimensions shown are nominal in millimeters All tolerances are 0.15mm except overall length and width 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 - 11-Feb-2005 Page 1 of 5 Part Number 854659 70 MHz SAW Filter Data Sheet (1) Electrical Specifications (2) o Operating Temperature: +25 C Parameter Minimum Typical Maximum Unit Center Frequency 69.85 70 70.15 MHz Insertion Loss at F - 6.8 7.5 dB O 1 dB Bandwidth 3.8 4.2 - MHz 3 dB Bandwidth 4.5 4.9 - MHz 35 dB Bandwidth - 8.5 9.75 MHz Passband Ripple 68.425 - 71.575 MHz - 0.6 1 dB Phase Linearity 68.425 - 71.575 MHz - 4.5 6.5 deg Group Delay Variation 68.425 - 71.575 MHz - 115 180 nsec Absolute Delay - 0.95 - sec o Temperature Coefficient - -94 - ppm/ C (3) Source Impedance - 50 - (3) Load Impedance - 50 - Notes: 1. All specifications are based on the test circuit shown below 2. All specifications are tested at room temperature only 3. This is the optimum impedance in order to achieve the performance shown Test Circuit: Actual matching values may vary due to PCB layout and parasitics 180nH 150nH 11 5 50 50 Single-ended Single-ended 1,2,3,4,6, 50 50 Input Output 7,8,9,10,12 Subject to change or obsolescence without notice Rev - 11-Feb-2005 Page 2 of 5