SF0044BA01979T APITECH | Alldatasheet

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 3

Technical content

44 MHz SAW Filter

4.93 MHz Bandwidth

Part Number: SF0044BA01979T Spectrum Microwave

400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401

www.SpectrumMicrowave.com DSSF0044BA01979T Rev A 4-Feb-2010 ECN 36650 Page 1 of 3

DESCRIPTION

  • 44 MHz SAW bandpass filter for VSB System M – IF applications.
  • 35.1 x 20.6 mm DIP package.
  • RoHS compliant. TYPICAL PERFORMANCE Horizontal: Frequency : 2 MHz/div Vertical from Top: Relative Magnitude : 10 dB/div Relative magnitude : 1 dB/div Group Delay Deviation : 50 ns/div

Part Number: SF0044BA01979T Spectrum Microwave www.SpectrumMicrowave.com DSSF0044BA01979T Rev A 4-Feb-2010 ECN 36650 Page 2 of 3 SPECIFICATION Parameter Min Typ Max Units Center Frequency (Fo, nominal) 1 - 44 - MHz Insertion Loss( average passband level) - 27 29 dB Passband Ripple 2 - 0.6 0.8 dB p-p Attenuation at 41.57 MHz - 1.5 2 dB Attenuation at 46.5 MHz - 0.5 2 dB Group Delay response at:

45.75 MHz ( reference) - 0 - ns

41.57 MHz -446 -346 -246 ns

41.75 MHz -343 -293 -243 ns

41.85 MHz -299 -264 -229 ns

42.17 MHz -205 -170 -135 ns

42.75 MHz -45 -10 25 ns

43.0 to 46.5 MHz -35 0 35 ns Rejection (20 to 40.15 MHz) 50 55 - dB Rejection ( 40.15 to 41.10 MHz) 45 48 - dB Rejection ( 41.10 to 41.25 MHz) 30 40 - dB Rejection ( 47.0 to 47.6 MHz) 45 50 - dB Rejection ( 47.6 to 60 MHz) 50 55 - dB Time domain spurious ( 3.5 -13 us After main signal) 50 57 - dB Delay at Fo - 4.4 - us Ambient Temperature (Tref) - 60 - º C Source/Load Impedance - 50 - Ω Notes: 1. Average of lower & upper 3 dB frequencies. 2. Measured over 41.75 to 46.45 MHz. 3. Typical change of filter fre quency response with temperature is ∆f = (T-Tref)*Tc*Fc, in ppm. MAXIMUM RATINGS Parameter Min Typ Max Units Storage Temperature Range -40 60 85 ˚C Temperature Coefficient of Frequency (Tc) 3 - -94 - ppm/ ˚C Input Power Level - 0 10 dBm MATCHING CIRCUIT Note: External matching components are not required. Input 50 Ω Single-ended Output 50 Ω Single-ended GND

Part Number: SF0044BA01979T Spectrum Microwave www.SpectrumMicrowave.com DSSF0044BA01979T Rev A 4-Feb-2010 ECN 36650 Page 3 of 3 PACKAGE OUTLINE ISO 9001 Registered All specifications are believed to be accurate and reliable. However, Spectrum Microwave reserves the right to make changes without notice. © 2010 All rights reserved. Units: mm Tolerances are ±0.15 mm except for the overall length and width, which are nominal values. Pin Configuration: Input: 3 Input return: 2 Output: 15 Output return: 14 Ground: All other pins