Preliminary Data Sheet Part Number 856155 1855 MHz SAW Filter Features • • • • • • • • For KPCS applications Usable bandwidth 30 MHz No impedance matching required Single-ended input Balanced output Superior amplitude and phase balance Ceramic Surface Mount Package (SMP) Small size • Package Pin Configuration Surface Mount 2.50 x 2.00 x 0.76 mm Bottom View 2 3 5 4 1 0.76 NOM. 0.84 MAX. 2.50 0.94 2.00 1.38 0.50 0.50 Pin No. 1 3,4 2,5 Description Input unbalanced Output balanced Case ground 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 - 1.0µm, over a 2 - 6µm Ni plating Subject to change or obsolescence without notice Rev B 28-Jan-2003 Page 1 of 5 Part Number 856155 1855 MHz SAW Filter Preliminary Data Sheet Electrical Specifications (1) Operating Temperature Range: (2) -30 to +85 oC Parameter (3) Minimum Typical Maximum Unit - 1855 - MHz - 3 3.5 dB 45 40 35 25 40 50 50 45 30 50 - dB dB dB dB dB -1.5 ±1.2 1.5 dB -8 ±5 8 degree - 1.9 50 100 2.5 - Ω Ω Center Frequency Maximum Insertion Loss 1840 - 1870 MHz Absolute Attenuation 100 - 1025 MHz 1025 - 1750 MHz 1750 - 1780 MHz 1930 - 2220 MHz 2220 - 6000 MHz Output Amplitude Balance (|S31/S21|) 1840 - 1870 MHz Output Phase Balance [φ(S31)- φ(S21)+180] 1840 - 1870 MHz Input/Output VSWR 1840 - 1870 MHz Optimal Source Impedance (4) Optimal Load Impedance (balanced) (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 optimum impedance in order to achieve the performance shown Test Circuit: 1 50 Ω Single-ended Input 3 100 Ω Balanced Output 100Ω 50Ω Subject to change or obsolescence without notice 2,5 4 Rev B 28-Jan-2003 Page 2 of 5 Preliminary Data Sheet Part Number 856155 1855 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev B 28-Jan-2003 Page 3 of 5 Part Number 856155 1855 MHz SAW Filter Preliminary Data Sheet Matching Schematics 1 50 Ω Single-ended Input 3 100 Ω Balanced Output 100Ω 50Ω 2,5 4 Marking PCB Footprint 2.59 Marking code Sawtek logo T JJJYM ID dot 2.08 .69 .71 SQ Date code .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 Tape and Reel 8.8 Ø330 2.7 ID dot Sawtek logo 4.0 0.3 2.0 Ø1.5 A 1.75 3.5 8.0 2.75 Ø102 Direction of travel Ø20.2 Ø13.0 2.0 1.1 Section A-A 2.23 4.0 Ø1.0 A Dimensions shown are nominal in millimeters Packaging quantity: 10000 units/reel Subject to change or obsolescence without notice Rev B 28-Jan-2003 Page 4 of 5 Part Number 856155 1855 MHz SAW Filter Preliminary Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Symbol Minimum Maximum T Tstg -30 -40 +85 +85 Unit o C C 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 B 28-Jan-2003 Page 5 of 5