1842.5 MHz SAW Filter 75 MHz Bandwidth Part Number: SF1843BA02542S DESCRIPTION * * * 1842.5 MHz SAW bandpass filter with 75 MHz bandwidth for mobile communications. 2.5 x 2.0 mm ceramic LCC package. RoHS compliant. TYPICAL PERFORMANCE Frequency Response VSWR (Unbalanced Input) VSWR (Balanced Output) IDT * SAW Products * 324 Clark Street, Worcester, MA 01606, USA * Ph 1-508-852-5400 * Fax 1-508-852-8456 www.idt.com DSSF1843BA02542S Rev X2 2-May-2007 Page 1 of 3 1842.5 MHz SAW Filter 75 MHz Bandwidth Part Number: SF1843BA02542S SPECIFICATION Parameter Center Frequency (Fc) 1 Insertion Loss (1805 to 1880 MHz) Amplitude Ripple (1805 to 1880 MHz) Input VSWR (1805 to 1880 MHz) Output VSWR (1805 to 1880 MHz) Attenuation (1 to 1200 MHz) 2 Attenuation (1200 to 1705 MHz) 2 Attenuation (1705 to 1785 MHz) 2 Attenuation (1920 to 1980 MHz) 2 Attenuation (1980 to 2200 MHz) 2 Attenuation (2200 to 3000 MHz) 2 Attenuation (3000 to 6000 MHz) 2 Output Amplitude Balance (S31/S21) Output Phase Balance ((S31)-(S21)+180) Source Impedance Load Impedance Ambient Temperature Notes: Min 40 30 9 10 20 30 40 -2 -12 - Typ Max Units 1842.5 MHz 2.9 4.0 dB 1.0 2.1 dB p-p 2.1 2.7 :1 2.0 2.7 :1 49 dB 34 dB 14 dB 22 dB 23 dB 36 dB 44 dB 0 2 dB 0 12 deg 50 ohms unbalanced 200 ohms balanced 25 C 1. Fixed reference point. 2. Reference level from 0 dB. 3. Symmetry in band, referenced to the matched operating condition, 1805 to 1880 MHz). MAXIMUM RATINGS Parameter Storage Temperature Range Operating Temperature Range Input Power Level Min Typ Max -40 -20 - 25 25 10 85 75 13 Units C C dBm MATCHING CIRCUIT Notes: 1. Recommend use of 2% tolerance matching component. Typical Inductor Q=45. 2. Component value is for reference only and may change depending on board layout. IDT * SAW Products * 324 Clark Street, Worcester, MA 01606, USA * Ph 1-508-852-5400 * Fax 1-508-852-8456 www.idt.com DSSF1843BA02542S Rev X2 2-May-2007 Page 2 of 3 1842.5 MHz SAW Filter 75 MHz Bandwidth Part Number: SF1843BA02542S PACKAGE OUTLINE Units: mm Typical tolerances are 0.15 mm except where indicated. Package Material: Body: Al2O3 ceramic Lid: Kovar, Ni plated Terminations: Au plating 1 m min, over a 1.3-8.9 m Ni plating Pad Configuration: Unbalanced Input: Balanced Output: Balanced Output: Ground: G C D B, E MARKING Model Identification: IC = SF1843BA02542S I C A B Week Code: A through Z followed by a through z equals 52 weeks. Year Code: A = 2001, B=2002, C=2003, to J=2010 (Code A through J repeats every 10 years) ISO 9001 Registered All specifications are believed to be accurate and reliable. However, MNC reserves the right to make changes without notice. (c) 2007 All rights reserved. IDT * SAW Products * 324 Clark Street, Worcester, MA 01606, USA * Ph 1-508-852-5400 * Fax 1-508-852-8456 www.idt.com DSSF1843BA02542S Rev X2 2-May-2007 Page 3 of 3