Part Number 854651 70 MHz SAW Filter Data Sheet Features Usable bandwidth of 0.5 MHz Typical 3 dB bandwidth of 0.55 MHz Low loss High attenuation Single-ended operation, 50 Ceramic Surface Mount Package (SMP) Hermetic Package Pin Configuration Surface Mount 19.00 x 6.50 x 1.75 mm Bottom View 1 2 3 4 5 1.75 NOM. 1.96 MAX. 10 9 8 6 7 0.76 19.0 1.91 1.80 Pin No. Description R0.51 5 Output 6.50 10 Input 1,6 Ground 2.31 1.02 2,3,4 Case ground 7,8,9 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 - 15-Feb-2005 Page 1 of 5 Part Number 854651 70 MHz SAW Filter Data Sheet (1) Electrical Specifications (2) o Operating Temperature Range: +25 C Parameter Minimum Typical Maximum Unit Center Frequency, f 69.95 70 70.05 MHz 0 Insertion Loss at Fo 7.6 8 dB 1 dB Bandwidth 0.35 0.37 - MHz 3 dB Bandwidth 0.5 0.55 - MHz 35 dB Bandwidth - 1.28 1.4 MHz Passband Ripple 69.85 - 70.15 MHz - 0.7 1 dB Phase Linearity 69.85 - 70.15 MHz - 5.2 6.75 deg Group Delay Variation 69.85 - 70.15 MHz - 330 500 nsec Absolute Group Delay - 2 - sec 2 Temperature Coefficient - - ppm F/F=- (T-T )/5.4 0 (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 470nH 560nH 10 5 50 50 47pF 68pF 50 Single-ended Single-ended 50 1,2,3,4 Output Input 6,7,8,9 Subject to change or obsolescence without notice Rev - 15-Feb-2005 Page 2 of 5