48 MHz SAW Filter 3.5 MHz Bandwidth Part Number SF0048BA02645S DESCRIPTION • • • 48 MHz SAW bandpass filter with 3.5 MHz bandwidth. 13.3 x 6.5 mm ceramic LCC package. RoHS compliant. 0 0 0 . 0 0 0 . 1 1 - TYPICAL PERFORMANCE 0 0 . 2 1 - 0 0 . 0 1 - 0 0 . 3 1 - 0 0 . 0 2 - 0 0 . 4 1 - 0 0 . 0 3 - 0 0 . 5 1 - 0 0 . 0 4 - 0 0 . 6 1 - 0 0 . 0 5 - 0 0 . 7 1 - 0 0 . 0 6 - 0 0 . 8 1 - 0 0 . 0 7 - 0 0 . 9 1 - 0 0 . 0 8 - 0 0 . 0 2 - 0 0 . 0 9 - 0 0 . 1 2 z H M 5 n a p S z H k 3 W B F I z H M 8 4 r e t n e C z H M 0 3 n a p S z H k 0 7 W B F I z H M 8 4 r e t n e 0 C 0 . 0 0 1 - Y C N E U Q E R F S11 (33-63 MHz) S22 (33-63 MHz) Spectrum Microwave, Inc. 400 Nickerson Road, Marlborough, MA 01752, USA Phone 508-251-6400 Fax 508-251-6401 www.SpectrumMicrowave.com DSSF0048BA02645S Rev X3 10-Feb-11 Page 1 of 3 48 MHz SAW Filter 3.5 MHz Bandwidth Part Number SF0048BA02645S SPECIFICATION Parameter Center Frequency, FC 1 Insertion Loss 2 Passband Ripple (Fc ± 1.5 MHz) Group Delay Variation (Fc ± 1.56 MHz) 1 dB Bandwidth 2 3 dB Bandwidth 2 Attenuation (Fc ± 1.54 MHz) 2 Attenuation (Fc ± 2.70 MHz) 2 Attenuation (Fc ± 3.50 MHz) 2 Attenuation (Fc ± 5.0 MHz) 2 Min 3.125 3.5 30 40 45 Ambient Temperature Notes: Typ 48 12.5 0.6 135 3.4 3.9 2.6 35 45 47 25 Max 16 1.0 220 - Units MHz dB dB p-p nsec MHz MHz dB dB dB dB ˚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 1 C 5 1 1 2 L t u p t uK O2 4 L 2 C 3 L 1 L t u p0 n5 I 6 , 4 , 3 , 2 , 1 2 1 , 0 1 , 9 , 8 , 7 L1=82 nH, L2 = L3 = 18 nH, L4=750 nH, C1 = C2 = 68 pF 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 DSSF0048BA02645S Rev X3 10-Feb-11 Page 2 of 3 48 MHz SAW Filter 3.5 MHz Bandwidth Part Number SF0048BA02645S PACKAGE OUTLINE SUGGESTED FOOTPRINT SMI BA02645S ∆ 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 DSSF0048BA02645S Rev X3 10-Feb-11 Page 3 of 3