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 m min, over a 1.3-8.9 m 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. (c) 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