Part Number 854674 70 MHz SAW Filter Data Sheet Features Usable bandwidth of 28 MHz Typical 3 dB bandwidth of 28.5 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 - 10-Mar-2005 Page 1 of 5 Part Number 854674 70 MHz SAW Filter Data Sheet (1) Electrical Specifications (2) o Operating Temperature: +25 C Parameter Minimum Typical Maximum Unit Center Frequency 69.8 70 70.2 MHz Insertion Loss at F - 17.6 18 dB O 1 dB Bandwidth 27.2 27.5 - MHz 3 dB Bandwidth 28 28.5 - MHz 40 dB Bandwidth - 33.75 34.65 MHz Passband Ripple 57.4 - 82.6 MHz - 0.85 1 dB Phase Linearity 57.4 - 82.6 MHz - 8.3 11.5 deg Group Delay Variation 57.4 - 82.6 MHz - 75 120 nsec Absolute Delay - 1.17 - 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 120nH 100nH 11 5 50 50 50 Single-ended Single-ended 50 1,2,3,4,6 Input Output 7,8,9,10,12 Subject to change or obsolescence without notice Rev - 10-Mar-2005 Page 2 of 5