SF0250BA02425S APITECH | Alldatasheet

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Technical content

250 MHz SAW Filter

80 MHz Bandwidth

Part Number: SF0250BA02425S Spectrum Microwave

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

www.SpectrumMicrowave.com DSSF0250BA02425S Rev A 19-Mar-2010 ECN 36650 Page 1 of 3

DESCRIPTION

  • 250 MHz SAW bandpass filter with 80 MHz bandwidth.
  • 5 x 5 mm LCC package.
  • RoHS compliant. TYPICAL PERFORMANCE Horizontal: Frequency : 40 MHz/div Vertical from Top: Relative Magnitude : 10 dB/div Relative magnitude : 1 dB/div Phase Linearity : 5 deg/div Group Delay Deviation : 50 ns/div S11 (50 to 450 MHz) S22 (50 to 450 MHz) 50. ns/"

Part Number: SF0250BA02425S Spectrum Microwave www.SpectrumMicrowave.com DSSF0250BA02425S Rev A 19-Mar-2010 ECN 36650 Page 2 of 3 SPECIFICATION Parameter 2 Min Typ Max Units Center Frequency (Fc) 1 - 250 - MHz Minimum Insertion Loss - 19.4 20.5 dB 1 dB Bandwidth 80.0 84.0 - MHz Lower 33 dB Band Edge 2 192.5 195.8 - MHz Upper 33 dB Band Edge 2 - 304.6 307.5 MHz Rejection (0.3 to 30 MHz) 30 40 - dB Rejection (30 MHz to 150 MHz) 40 48 - dB Rejection (150 to 186 MHz) 38 40 - dB Rejection (186 to 192.5 MHz) 33 35 - dB Rejection (307.5 to 316 MHz) 33 35 - dB Rejection (316 to 320 MHz) 38 41 - dB Rejection (320 to 500 MHz) 40 45 - dB Passband Ripple (210 to 290 MHz) 3 - 0.7 1.0 dB p-p Passband Ripple (209 to 291 MHz) 3 - 0.8 1.5 dB p-p Phase Linearity (210 to 290 MHz) 3 - 4.5 8 deg p-p Group Delay Deviation (210 to 290 MHz) 3 - 25 50 ns p-p Source and Load Impedance - 50 Ω Ambient Temperature (Tref) - 25 - ° C Notes: 1. Average of the lowe r and upper 3 dB frequencies. 2. All dB levels are relative to the insertion loss. 3. These specifications apply over the full operating temperature range. 4. 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 25 85 ˚C Operating Temperature Range (T) -20 25 85 ˚C Temperature Coefficient of Frequency (Tc) 4 - -74 - ppm/ ˚C Input Power Level - 10 13 dBm MATCHING CIRCUIT Typical component values: Notes: 1. Recommend use of 2% tolerance matching components. Inductor Q=45. 2. Component values are for reference only and may change depending on board layout. Ls1 = 47 nH Ls2 = 68 nH

Part Number: SF0250BA02425S Spectrum Microwave www.SpectrumMicrowave.com DSSF0250BA02425S Rev A 19-Mar-2010 ECN 36650 Page 3 of 3 PACKAGE OUTLINE SUGGESTED FOOTPRINT 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. Package Material: Body: Al2O3 ceramic Lid: Kovar, Ni plated Terminations: Au plating 1 µm min, over a 1.3-8.9 µm Ni plating Units: mm Tolerances are ±0.15 mm except where indicated. Pad Configuration: Input: 1 Input return: 2 Output: 5 Output return: 6 Ground: 3,4,7,8