44 MHz SAW Filter 3.4 MHz Bandwidth Part Number SF0044BA02640S DESCRIPTION • • • 44 MHz SAW bandpass filter with 3.4 MHz bandwidth. 13.3 x 6.5 mm ceramic LCC package. RoHS compliant. TYPICAL PERFORMANCE dB dB Spectrum Microwave, Inc. 400 Nickerson Road, Marlborough, MA 01752, USA Phone 508-251-6400 Fax 508-251-6401 www.SpectrumMicrowave.com DSSF0044BA02640S Rev X2 10-Feb-11 Page 1 of 3 44 MHz SAW Filter 3.4 MHz Bandwidth Part Number SF0044BA02640S SPECIFICATION Parameter Center Frequency, FC 1 Minimum Insertion Loss 2 Passband Ripple (Fc ± 1.25 MHz) Absolute Delay 3 dB bandwidth 2 Relative Attenuation (Fc ± 1.85 MHz) 2 Relative Attenuation (Fc ± 2 MHz) 2 Relative Attenuation (Fc ± 3.5 MHz) 2 Relative Attenuation (26.5 to 40.5 MHz) Relative Attenuation (47.5 to 61.5 MHz) Min 3.4 1.9 3 38 40 38 2 2 Source and Load Impedance Ambient Temperature Notes: Typ Max Units 44 MHz 14 16 dB 0.6 1 dB p-p 1.7 us 3.8 MHz 2.5 dB 4.2 dB 42 dB 47 dB 41 dB 50ohm, 2k ohm//3pF 25 ˚C 1. Reference frequency. Computed as mean of the 3 dB frequencies. 2. All dB values are referenced to the insertion loss value. MAXIMUM RATINGS Parameter Storage Temperature Range Operating Temperature Range Input Power Level Min Max Units -40 -40 - 85 85 +10 ˚C ˚C dBm MATCHING CIRCUIT 11 5 12 6 Notes: • • Recommend 2% or better tolerance matching components. Typical inductor Q=40. Optimum values may change depending on board layout. Values shown are intended as a guide only. Spectrum Microwave, Inc. 400 Nickerson Road, Marlborough, MA 01752, USA Phone 508-251-6400 Fax 508-251-6401 www.SpectrumMicrowave.com DSSF0044BA02640S Rev X2 10-Feb-11 Page 2 of 3 44 MHz SAW Filter 3.4 MHz Bandwidth Part Number SF0044BA02640S PACKAGE OUTLINE SUGGESTED FOOTPRINT SMI BA02640S ∆ YYDDD Date Code YY=Year, Date=day Pad 1 Identifier Units: mm Tolerances are typically ±0.15 mm except where indicated. Pad Configuration: Balanced Input : 11, 12 Balanced Output :5, 6 Ground: 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 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 DSSF0044BA02640S Rev X2 10-Feb-11 Page 3 of 3