44 MHz SAW Filter 6.5 MHz Bandwidth Part Number SF0044BA02641S DESCRIPTION • • • 44 MHz SAW bandpass filter with 6.5 MHz bandwidth. 13.3 x 6.5 mm ceramic LCC package. RoHS compliant. TYPICAL PERFORMANCE 0 0 0 . 0 0 0 . 0 1 0 0 . 0 2 0 0 . 0 3 0 0 . 0 4 0 0 . 0 5 - B d 0 0 . 0 6 0 0 . 0 7 0 0 . 0 8 0 0 . 0 9 0 0 . 0 0 1 z H M 0 5 n a p S z H k 0 7 W B F I z H M 4 4 r e t n e C Y C N E U Q E R F 0 0 . 0 1 0 0 . 1 1 0 0 . 2 1 0 0 . 3 1 0 0 . 4 1 0 0 . 5 1 - B d 0 0 . 6 1 0 0 . 7 1 0 0 . 8 1 0 0 . 9 1 0 0 . 0 2 z H M 0 1 n a p S z H k 0 7 W B F I z H M 4 4 r e t n e C Spectrum Microwave, Inc. 400 Nickerson Road, Marlborough, MA 01752, USA Phone 508-251-6400 Fax 508-251-6401 www.SpectrumMicrowave.com DSSF0044BA02641S Rev X2 10-Feb-11 Page 1 of 3 44 MHz SAW Filter 6.5 MHz Bandwidth Part Number SF0044BA02641S SPECIFICATION Parameter Center Frequency, FC 1 Minimum Insertion Loss 2 Passband Ripple (Fc ± 2.7 MHz) Absolute Delay 3 dB bandwidth 2 Relative Attenuation (Fc ± 3.6 MHz) 2 Relative Attenuation (Fc ± 4 MHz) 2 Relative Attenuation (Fc ± 7 MHz) 2 Relative Attenuation (26.5 to 37 MHz) Relative Attenuation (51 to 61.5 MHz) 2 2 Min 6.5 4 14 40 40 40 Source and Load Impedance Temperature Coefficient Ambient Temperature Notes: Typ Max Units 44 MHz 11.5 16 dB 0.9 1.2 dB p-p 1.6 us 6.8 MHz 6 dB 16 dB 46 dB 58 dB 42 dB 50Ω, 2 kΩ//3pF -94 ppm/˚C 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 Input 50 Ω Output 2 kΩ//3pF 12 6 L1=220 nH, C1=C2=110 pF, L2=680 nH 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 DSSF0044BA02641S Rev X2 10-Feb-11 Page 2 of 3 44 MHz SAW Filter 6.5 MHz Bandwidth Part Number SF0044BA02641S PACKAGE OUTLINE SUGGESTED FOOTPRINT SMI BA02641S ∆ YYDDD Date code (YY=year, DDD=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 DSSF0044BA02641S Rev X2 10-Feb-11 Page 3 of 3