43.8 MHz SAW Filter 5.25 MHz Bandwidth Part Number: SF0044BA01860T DESCRIPTION • • • 43.8 MHz SAW filter with 5.25 MHz bandwidth for VSB system M-IF applications. 38.6 x 25.7 mm DIP package, 8 pins. RoHS compliant. TYPICAL PERFORMANCE Amp 10 dB/div Amp 1 dB/div Delay 100 ns/div Center = 43.8 MHz, 1.6 MHz/div (801 points) S11 (35.8-51.8 MHz) S22 (35.8-51.8 MHz) Spectrum Microwave, Inc. 400 Nickerson Road, Marlborough, MA 01752, USA Phone 508-251-6400 Fax 508-251-6401 www.SpectrumMicrowave.com DSSF0044BA01860T Rev X2 11-Feb-11 Page 1 of 3 43.8 MHz SAW Filter 5.25 MHz Bandwidth Part Number: SF0044BA01860T SPECIFICATION Parameter Min Typ Max Units F_visual 45.75 MHz F_color 42.17 MHz F_audio 41.25 MHz Center Frequency (Fc, nominal) 1 43.875 MHz Insertion Loss 27.8 30 dB 1.5 dB Lower band edge 40.84 41.25 MHz 1.5 dB upper band edge 46.5 46.60 MHz Passband Ripple (41.3-46.3 MHz) 0.4 0.7 dB p-p Group Delay at 46.5 MHz -25 0 25 ns p-p Group Delay at 45.75 MHz (Reference) 0 ns p-p Group Delay at 43 MHz -25 0 25 ns p-p Group Delay at 42.17 MHz -190 -160 -130 ns p-p Group Delay at 41.55 MHz -380 -330 -280 ns p-p Rejection at 40 MHz 20 45 dB Rejection (10-39.75 MHz) 45 50 dB Rejection at 47 MHz 20 40 dB Rejection (47.25-70 MHz) 43 45 dB Ambient Temperature (Tref) 50 ˚C Ω Source/Load impedance 50 Notes: 1. Average of lower & upper 3 dB frequencies. 2. Typical change of filter frequency response with temperature is ∆f = (T-Tref)*Tc*Fc, in ppm. MAXIMUM RATINGS Parameter Storage Temperature Range Temperature Coefficient of Frequency (Tc) Input Power Level 2 Min Typ Max Units -40 - 50 -90 - 85 +13 ˚C ppm/˚C dBm MATCHING CIRCUIT Output 50 Ω Single-ended Input 50 Ω Single-ended Notes: GND 1. External matching components are not required. Spectrum Microwave, Inc. 400 Nickerson Road, Marlborough, MA 01752, USA Phone 508-251-6400 Fax 508-251-6401 www.SpectrumMicrowave.com DSSF0044BA01860T Rev X2 11-Feb-11 Page 2 of 3 43.8 MHz SAW Filter 5.25 MHz Bandwidth Part Number: SF0044BA01860T PACKAGE OUTLINE SMI BA01860T ∆ YYDDD Date code (YY=year, DDD=day) Pin 1 identifier Units: mm Tolerances are ± 0.15 mm except where indicated. Pin Configuration: Input: 1 Input return: 2 Output: 6 Output return: 5 Ground: 3,4,7,8 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 DSSF0044BA01860T Rev X2 11-Feb-11 Page 3 of 3