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| Data Sheet Features * * * * * * * * For EGSM applications Usable bandwidth 35 MHz High attenuation Superior amplitude and phase balance Single-ended input Balanced output Ceramic Surface Mount Package (SMP) Small size Part Number 855966 942.5 MHz SAW Filter * Package Surface Mount 2.50 x 2.00 x 0.76 mm Pin Configuration Bottom View 2 3 1 0.76 NOM. 0.84 MAX. 2.50 0.94 5 4 2.00 0.50 1.38 Pin No. 1 2,5 3,4 Description Input, Unbalanced Input, Case ground Output, Balanced 0.50 0.94 Dimensions shown are nominal in millimeters All tolerances are 0.10mm Body: Al2O3 ceramic Lid: Kovar or Alloy 42, Au over Ni plated Terminations: Au plating 0.5 - 1.0m, over a 2 - 6m Ni plating Subject to change or obsolescence without notice Rev E 30-Jan-2003 Page 1 of 8 Data Sheet Operating Temperature Range: (2) +25 oC Part Number 855966 942.5 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Maximum Insertion Loss 925 - 960 MHz Excluding losses due to matching Including losses in matching test circuit shown below Minimum 50 30 20 23 50 175 -0.5 - Typical 942.5 2.3 2.5 0.2 65 38 22 28 65 1.8 1.7 180 0 50 225 || 48nH Maximum 3.2 1.6 2.4 2.3 185 0.5 - Unit MHz dB dB dB p-p dB dB dB dB dB dB dB degree dB Amplitude Ripple 925 - 960 MHz Absolute Attenuation 0 - 880 MHz 880 - 905 MHz 905 - 915 MHz 980 - 1050 MHz 1050 - 6000 MHz Input VSWR 925 - 960 MHz Output VSWR 925 - 960 MHz Output Phase Balance (S31)- (S21) 925 - 960 MHz Output Amplitude Balance (|S31/S21|) 925 - 960 MHz Optimal Source Impedance (4) Optimal Load Impedance (4) Notes: 1. 2. 3. 4. All specifications are based on the test circuit shown below This specification is valid for room temperature only. The specification over the full temperature range(s) is available on the next page(s) Electrical margin has been built into the design to account for the variations due to manufacturing tolerances This is the complex conjugate of the unmatched filter's impedance resulting in maximum power transfer Test Circuit: 1 50 3 30nH 2,5 4 150 50 Single-ended Input 150 Balanced Output Subject to change or obsolescence without notice Rev E 30-Jan-2003 Page 2 of 8 Data Sheet Operating Temperature Range: (2) -10 to +80 oC Part Number 855966 942.5 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Maximum Insertion Loss 925 - 960 MHz Excluding losses due to matching Including losses in matching test circuit shown below Minimum 50 30 18 23 50 175 -0.5 - Typical 942.5 2.5 2.7 0.9 65 38 22 27 65 2.1 2.1 180 0 50 225 || 48nH Maximum 3.5 1.9 2.4 2.3 185 0.5 - Unit MHz dB dB dB p-p dB dB dB dB dB dB dB degree dB Amplitude Ripple 925 - 960 MHz Absolute Attenuation 0 - 880 MHz 880 - 905 MHz 905 - 915 MHz 980 - 1050 MHz 1050 - 6000 MHz Input VSWR 925 - 960 MHz Output VSWR 925 - 960 MHz Output Phase Balance (S31)- (S21) 925 - 960 MHz Output Amplitude Balance (|S31/S21|) 925 - 960 MHz Optimal Source Impedance (4) Optimal Load Impedance (4) Notes: 1. 2. 3. 4. 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 This is the complex conjugate of the unmatched filter's impedance resulting in maximum power transfer Test Circuit: 1 50 3 30nH 2,5 4 150 50 Single-ended Input 150 Balanced Output Subject to change or obsolescence without notice Rev E 30-Jan-2003 Page 3 of 8 Data Sheet Operating Temperature Range: (2) -20 to +80 oC Part Number 855966 942.5 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Maximum Insertion Loss 925 - 960 MHz Excluding losses due to matching Including losses in matching test circuit shown below Minimum 50 30 18 22 50 175 -0.5 - Typical 942.5 2.6 2.7 0.7 65 38 22 27 65 1.8 1.8 180 0 50 225 || 48nH Maximum 3.7 2.1 2.4 2.3 185 0.5 - Unit MHz dB dB dB p-p dB dB dB dB dB dB dB degree dB Amplitude Ripple 925 - 960 MHz Absolute Attenuation 0 - 880 MHz 880 - 905 MHz 905 - 915 MHz 980 - 1050 MHz 1050 - 6000 MHz Input VSWR 925 - 960 MHz Output VSWR 925 - 960 MHz Output Phase Balance (S31)- (S21) 925 - 960 MHz Output Amplitude Balance (|S31/S21|) 925 - 960 MHz Optimal Source Impedance (4) Optimal Load Impedance (4) Notes: 1. 2. 3. 4. 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 This is the complex conjugate of the unmatched filter's impedance resulting in maximum power transfer Test Circuit: 1 50 3 30nH 2,5 4 150 50 Single-ended Input 150 Balanced Output Subject to change or obsolescence without notice Rev E 30-Jan-2003 Page 4 of 8 Data Sheet Operating Temperature Range: (2) -20 to +80 oC Part Number 855966 942.5 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Maximum Insertion Loss 925 - 960 MHz Excluding losses due to matching Including losses in matching test circuit shown below Minimum 50 30 18 22 50 175 -0.5 - Typical 942.5 2.6 2.9 0.7 65 38 22 27 65 1.8 1.8 180 0 50 225 || 48nH Maximum 3.9 2.1 2.4 2.3 185 0.5 - Unit MHz dB dB dB p-p dB dB dB dB dB dB dB degree dB Amplitude Ripple 925 - 960 MHz Absolute Attenuation 0 - 880 MHz 880 - 905 MHz 905 - 915 MHz 980 - 1050 MHz 1050 - 6000 MHz Input VSWR 925 - 960 MHz Output VSWR 925 - 960 MHz Output Phase Balance (S31)- (S21) 925 - 960 MHz Output Amplitude Balance (|S31/S21|) 925 - 960 MHz Optimal Source Impedance (4) Optimal Load Impedance (4) Notes: 1. 2. 3. 4. 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 This is the complex conjugate of the unmatched filter's impedance resulting in maximum power transfer Test Circuit: 3pF 50 Single-ended Input 1 50 3 18nH 2,5 4 3pF 100 100 Balanced Output Subject to change or obsolescence without notice Rev E 30-Jan-2003 Page 5 of 8 Data Sheet Part Number 855966 942.5 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev E 30-Jan-2003 Page 6 of 8 Data Sheet Actual matching values may vary due to PCB layout and parasitics 1 3 30nH 50 2,5 4 Part Number 855966 942.5 MHz SAW Filter Matching Schematics 50 Single-ended Input 150 150 Balanced Output 1 3 18nH 200 4 50 Single-ended Input 50 2,5 200 Balanced Output 3pF 1 3 18nH 50 2,5 4 3pF 100 50 Single-ended Input 100 Balanced Output Marking Sawtek logo Marking code PCB Footprint 2.59 A JJJYM ID dot Date code 2.08 .69 .71 SQ .23 The date code consists of: JJJ = Julian day, Y = last digit of year, M = manufacturing site code This footprint represents a recommendation only Dimensions shown are nominal in millimeters Subject to change or obsolescence without notice Rev E 30-Jan-2003 Page 7 of 8 Data Sheet Tape and Reel 8.8 2.7 O330 ID dot Sawtek logo Part Number 855966 942.5 MHz SAW Filter 4.0 0.254 2.0 O1.5 A 1.75 2.75 O102 Direction of travel O20.2 O13.0 2.0 3.5 8.0 4.0 O1.0 1.1 Section A-A 2.23 A Dimensions shown are nominal in millimeters Packaging quantity: 10000 units/reel Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Symbol T Tstg Minimum -20 -40 Maximum +80 +85 Unit o o C C Warnings * * Electrostatic Sensitive Device (ESD) Avoid ultrasonic exposure Links to Additional Technical Information PCB Layout Tips S-Parameters Qualification Flowchart Soldering Profile 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 Phone: +1 (407) 886-8860 Fax: +1 (407) 886-7061 Email: custservice@sawtek.com Web: www.sawtek.com Rev E Or contact one of our worldwide Network of sales offices, Representatives or distributors 30-Jan-2003 Page 8 of 8 |
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