249.6 MHz SAW Filter 10 MHz Bandwidth Part Number SF0250BA03223S DESCRIPTION * * * 249.6 MHz SAW bandpass filter with 10 MHz bandwidth. 9.1 x 4.8 mm ceramic LCC package. RoHS compliant. TYPICAL PERFORMANCE Amp 10 dB/div Amp 1 dB/div Phase 10 deg/div Delay 100 ns/div Center = 249.6 MHz, 10 MHz/div (125 kHz incr) S11 (199.6-299.6 MHz) S22 (199.6-299.6 MHz) Spectrum Microwave 400 Nickerson Road, Marlborough, MA 01752, USA * Phone 1-508-251-6400 * Fax 1-508-251-6401 www.SpectrumMicrowave.com DSSF0250BA03223S Rev A ECN 36650 19-Mar-2010 Page 1 of 3 249.6 MHz SAW Filter 10 MHz Bandwidth Part Number SF0250BA03223S SPECIFICATION Parameter Center Frequency, FC 1 Insertion Loss Amplitude variation (244.6 to 254.6 MHz) Phase Linearity (244.6 to 254.6 MHz) Absolute Delay Lower 1dB Band Edge 2 Upper 1dB Band Edge 2 Relative Attenuation (149.6 to 234.6 MHz) 2 Relative Attenuation (234.6 to 235.6 MHz) 2 Relative Attenuation (235.6 to 237 MHz) 2 Relative Attenuation (237 to 239.6 MHz) 2 Relative Attenuation (259.6 to 262 MHz) 2 Relative Attenuation (262 to 263.6 MHz) 2 Relative Attenuation (263.6 to 264.6 MHz) 2 Relative Attenuation (264.6 to 349.6 MHz) 2 Source and Load Impedance Temperature Coefficient of Frequency Ambient Temperature Notes: Min 254.6 47 40 23 13 13 23 40 43 - Typ 249.6 10.8 0.7 1 570 243.89 255.18 53 55 55 48 35 47 47 55 50 -18 25 Max 13.5 1 4 244.6 - Units MHz dB dB p-p deg RMS ns MHz MHz dB dB dB dB dB dB dB dB ohms ppm/C 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 -40 -20 - 85 85 10 Units C C dBm MATCHING CIRCUIT 10 5 Input 50 Single ended Output 50 Single ended All other pads GND Ls1 = 39 nH Cp1 = 27 pF GND Ls2 = 33 nH Cp2 = 22 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 400 Nickerson Road, Marlborough, MA 01752, USA * Phone 1-508-251-6400 * Fax 1-508-251-6401 www.SpectrumMicrowave.com DSSF0250BA03223S Rev A ECN 36650 19-Mar-2010 Page 2 of 3 249.6 MHz SAW Filter 10 MHz Bandwidth Part Number SF0250BA03223S PACKAGE OUTLINE Units: mm Tolerances are typically 0.15 mm except where indicated. Pad Configuration: Input: 10 Output: 5 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 MARKING ISO 9001 Registered All specifications are believed to be accurate and reliable. However, Spectrum Microwave reserves the right to make changes without notice. (c) 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 DSSF0250BA03223S Rev A ECN 36650 19-Mar-2010 Page 3 of 3