250 MHz SAW Filter 80 MHz Bandwidth Part Number: SF0250BA02425S DESCRIPTION • • • 250 MHz SAW bandpass filter with 80 MHz bandwidth. 5 x 5 mm LCC package. RoHS compliant. TYPICAL PERFORMANCE 50. ns/" Horizontal: Vertical from Top: S11 (50 to 450 MHz) Frequency : Relative Magnitude : Relative magnitude : Phase Linearity : Group Delay Deviation : 40 10 1 5 50 MHz/div dB/div dB/div deg/div ns/div S22 (50 to 450 MHz) 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 3 250 MHz SAW Filter 80 MHz Bandwidth Part Number: SF0250BA02425S SPECIFICATION Parameter 2 Center Frequency (Fc) 1 Minimum Insertion Loss 1 dB Bandwidth Lower 33 dB Band Edge 2 Upper 33 dB Band Edge 2 Rejection (0.3 to 30 MHz) Rejection (30 MHz to 150 MHz) Rejection (150 to 186 MHz) Rejection (186 to 192.5 MHz) Rejection (307.5 to 316 MHz) Rejection (316 to 320 MHz) Rejection (320 to 500 MHz) Passband Ripple (210 to 290 MHz) 3 Passband Ripple (209 to 291 MHz) 3 Phase Linearity (210 to 290 MHz) 3 Group Delay Deviation (210 to 290 MHz) 3 Source and Load Impedance Ambient Temperature (Tref) Notes: 1. 2. 3. 4. Min 80.0 192.5 30 40 38 33 33 38 40 - Typ 250 19.4 84.0 195.8 304.6 40 48 40 35 35 41 45 0.7 0.8 4.5 25 50 25 Max 20.5 307.5 1.0 1.5 8 50 - Units MHz dB MHz MHz MHz dB dB dB dB dB dB dB dB p-p dB p-p deg p-p ns p-p Ω °C Average of the lower and upper 3 dB frequencies. All dB levels are relative to the insertion loss. These specifications apply over the full operating temperature range. Typical change of filter frequency response with temperature is ∆f = (T-Tref)*Tc*Fc, in ppm. MAXIMUM RATINGS Parameter Storage Temperature Range Operating Temperature Range (T) Temperature Coefficient of Frequency (Tc) 4 Input Power Level Min Typ Max Units -40 -20 - 25 25 -74 10 85 85 13 ˚C ˚C ppm/˚C dBm MATCHING CIRCUIT Typical component values: Ls1 = 47 nH Ls2 = 68 nH 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. 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 2 of 3 250 MHz SAW Filter 80 MHz Bandwidth Part Number: SF0250BA02425S PACKAGE OUTLINE SUGGESTED FOOTPRINT Units: mm Tolerances are ±0.15 mm except where indicated. Package Material: Body: Al2O3 ceramic Lid: Kovar, Ni plated Terminations: Au plating 1 µm min, over a 1.3-8.9 µm Ni plating Pad Configuration: Input: 1 Input return: 2 Output: 5 Output return: 6 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. © 2010 All rights reserved. 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 3 of 3