947.5 MHz SAW Filter 25 MHz Bandwidth Part Number: SF0948BA02589S DESCRIPTION • • • Miniature 947.5 MHz SAW Filter with 25 MHz bandwidth. 3 x 3 mm Ceramic LCC package, 6 pads. RoHS compliant TYPICAL PERFORMANCE S11 (847.5-1047.5 MHz) S22 (847.5-1047.5 MHz) Spectrum Microwave, Inc. 400 Nickerson Road, Marlborough, MA 01752, USA Phone 508-251-6400 Fax 508-251-6401 www.SpectrumMicrowave.com DSSF0948BA02589S Rev X2 31-Jan-11 Page 1 of 3 947.5 MHz SAW Filter 25 MHz Bandwidth Part Number: SF0948BA02589S SPECIFICATION Parameter Min Center Frequency FC Bandwidth 25 Insertion Loss (935 - 960 MHz) Amplitude Ripple (935 - 960 MHz) Attenuation (Reference level from 0 db) DC to 890 MHz 28 890 to 915 MHz 20 980 to 1025 MHz 15 1025 to 2000 MHz 30 Input/Output VSWR (935 - 960 MHz) Terminating Impedance Typ 947.5 30 2.4 1.0 Max 3.0 2.0 Units MHz MHz dB dB p-p 32 35 30 34.5 2.0 50 2.2 dB dB dB dB dB Ω// 0nF MAXIMUM RATINGS Parameter Storage Temperature Range Operating Temperature Range Input Power Level D.C. Voltage Min -40 -30 - Max 85 85 +10 0 Units ºC ºC dBm V MATCHING CIRCUIT 2 5 Input 50 Ω Single ended Output 50 Ω Single ended GND All other pads GND Notes: 1. External matching components are not required. 2. Device is intended to operate in a 50 Ω single ended system. Spectrum Microwave, Inc. 400 Nickerson Road, Marlborough, MA 01752, USA Phone 508-251-6400 Fax 508-251-6401 www.SpectrumMicrowave.com DSSF0948BA02589S Rev X2 31-Jan-11 Page 2 of 3 947.5 MHz SAW Filter 25 MHz Bandwidth Part Number: SF0948BA02589S PACKAGE OUTLINE Units: mm Typical tolerances are ±0.15 mm except where indicated. SUGGESTED FOOTPRINT Pad Configuration: Input: Output: Ground: 2 5 All other pads Package Material: Body: Al2O3 ceramic Lid: Kovar, Ni plated Terminations: Au plating 1 µm min, over a 1.3-8.9 µm Ni plating MARKING SMI 2589 YYWW ISO 9001 Registered All specifications are believed to be accurate and reliable. However, Spectrum Microwave reserves the right to make changes without notice. © 2011 All rights reserved. Spectrum Microwave, Inc. 400 Nickerson Road, Marlborough, MA 01752, USA Phone 508-251-6400 Fax 508-251-6401 www.SpectrumMicrowave.com DSSF0948BA02589S Rev X2 31-Jan-11 Page 3 of 3