Preliminary Data Sheet Part Number 855736 70 MHz SAW Filter Features • • • • • • • For IF applications Typical 3 dB bandwidth of 0.7 MHz High attenuation Single-ended operation Ceramic Surface Mount Package (SMP) Replaces Sawtek P/N 851542 (BW 3dB = 0.5 MHz) Package Pin Configuration Surface Mount 24.60 x 9.00 x 2.31 mm Bottom View 1 2 3 4 5 2.31 NOM. 2.62 MAX. 10 9 8 7 6 1.02 24.6 1.91 1.80 R0.5 9.00 2.31 3.53 x 4.83 1.02 Pin No. 1 5 6 10 2,3,4,7,8,9 Description Input return Output Output return Input Case ground Dimensions shown are nominal in millimeters All tolerances are ±0.15mm except overall length and width ±0.20mm 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 A 06-Sep-2002 Page 1 of 5 Part Number 855736 70 MHz SAW Filter Preliminary Data Sheet Electrical Specifications (1) Operating Temperature Range: (2) 0 to +70 oC Parameter (3) Center Frequency Minimum Insertion Loss Upper 1 dB Point (4) Lower 1 dB Point (4) Upper 3 dB Point (4) Lower 3 dB Point (4) Upper 40 dB Point (4) Lower 40 dB Point (4) Absolute Attenuation 10 - 68 MHz 72 - 85 MHz 85 - 108 MHz 108 - 140 MHz 140 - 200 MHz Minimum Typical Maximum Unit 70.155 70.31 69.165 70 21.3 70.205 69.795 70.35 69.65 70.815 69.185 22 69.845 69.69 70.836 - MHz dB MHz MHz MHz MHz MHz MHz 60 45 60 50 60 62 55 62 55 62 - dB dB dB dB dB - 0.8 1 dB p-p - 1.2 3 deg p-p - 100 50 50 200 - nsec p-p Ω Ω Amplitude Variation 69.85 - 70.15 MHz Phase Ripple 69.85 - 70.15 MHz Group Delay Variation 69.85 - 70.15 MHz Source Impedance: (6) Load Impedance: (6) Notes: 1. 2. 3. 4. 5. All specifications are based on the test circuit shown below 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 All attenuation measurements are measured relative to minimum insertion loss This is the optimum impedance in order to achieve the performance shown Test Circuit: 5pF 1000nH 1000nH 6pF 5 10 50 Ω Single-ended 50Ω Subject to change or obsolescence without notice 1,2,3,4 6,7,8,9 33pF Rev A 50Ω 06-Sep-2002 Page 2 of 5 Preliminary Data Sheet Part Number 855736 70 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev A 06-Sep-2002 Page 3 of 5 Part Number 855736 70 MHz SAW Filter Preliminary Data Sheet Matching Schematics Actual matching values may vary due to PCB layout and parasitics 5pF 1000nH 1000nH 6pF 5 10 50 Ω Single-ended 50Ω 33pF 1,2,3,4 6,7,8,9 Marking 50Ω PCB Footprint 8.84 SAWTEK 855736 XXXXXX ID dot 9.19 Date code 1.95 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 1.22 This footprint represents a recommendation only Dimensions shown are nominal in millimeters Tape and Reel 2.7 44.8 0.36 Ø330 4.0 2.0 ID dot Ø1.5 A 1.75 20.2 40.4 44.0 25.6 Ø102 Ø20.2 Ø13.0 2.0 Direction of travel 0.20 2.6 Section A-A 9.39 12.0 R0.75 Ø1.5 A Dimensions shown are nominal in millimeters Packaging quantity: 1000 units/reel Subject to change or obsolescence without notice Rev A 06-Sep-2002 Page 4 of 5 Part Number 855736 70 MHz SAW Filter Preliminary Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range RF Power Symbol Minimum Maximum Unit T Tstg Pin 0 -40 - +70 +85 +10 C C dBm o 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 Sawtek’s liability is limited only to the Surface Acoustic Wave (SAW) component(s) described in this data sheet. Sawtek does not accept any liability for applications, processes, circuits or assemblies which are implemented using any Sawtek component described in this data sheet. 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 A 06-Sep-2002 Page 5 of 5