280 MHz SAW Filter 17 MHz Bandwidth Part Number: SF0280BA01984S DESCRIPTION • • 280 MHz SAW bandpass filter with 17 MHz of useable bandwidth in 5 x 5 mm LCC. RoHS compliant. TYPICAL PERFORMANCE 208 280 Vertical from top: S11 (Input) Relative Magnitude : Relative magnitude : Group Delay Deviation : 352 10 1 25 dB/div dB/div ns/div S22 (Output) Spectrum Microwave 400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401 www.SpectrumMicrowave.com DSSF0280BA01984S Rev A 19-Mar-2010 ECN 36650 Page 1 of 3 280 MHz SAW Filter 17 MHz Bandwidth Part Number: SF0280BA01984S SPECIFICATION Parameter Measured Center Frequency FC 1 Insertion Loss 1 dB Bandwidth 2 3 dB Bandwidth 2 10 dB Bandwidth 2 15 dB Bandwidth 2 40 dB Bandwidth Amplitude Ripple (271.5 to 288.5 MHz) Group Delay Variation (271.5 to 288.5 MHz) Rejection: 30 to Fc-100 MHz Fc-100 to Fc-17 MHz Fc-17 to Fc-15 MHz Fc+15 to Fc+17 MHz Fc+17 to Fc+100 MHz Fc+100 to 500 MHz Temperature Coefficient of frequency Ambient Temperature Notes: Min 279.50 20.0 - 40 15 10 10 15 40 Typ 280.00 8.6 17.0 24.3 27.9 29.2 0.6 80 Max 280.50 10.0 30.0 34.0 200 1.0 100 Units MHz dB MHz MHz MHz MHz MHz dB p-p ns p-p 54 38 23 15 31 54 -90 25 - dB dB dB dB dB dB ppm/˚C ˚C 1. Defined as the average of the lower and upper 3 dB frequencies. 2. All dB levels are defined relative to the insertion loss. MAXIMUM RATINGS Parameter Storage Temperature Range Operating Temperature Range Input Power Level Min Max -40 20 85 30 10 Units ˚C ˚C dBm MATCHING CIRCUIT 3 7 Input 50 Ω Single ended Output 50 Ω Single ended 2 Typical component values: (Minimum inductor Q=40) Ls1 = Cp1 = 58 17 nH pF 6 Ls2 = Cp2 = 52 13 nH pF Notes: 1. Recommend use of 2% tolerance components. 2. Values shown here are intended as a guide only. Component values 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 DSSF0280BA01984S Rev A 19-Mar-2010 ECN 36650 Page 2 of 3 280 MHz SAW Filter 17 MHz Bandwidth Part Number: SF0280BA01984S PACKAGE OUTLINE Units: mm Dimensions are nominal in mm. All tolerances are ±0.15 mm except overall length and width and pad tolerances. Pad Configuration: Input: 3 Input Return: 2 Output: 7 Output Return: 6 Ground: 1,4,5,8 Package Material: Body: Al2O3 ceramic Lid: Kovar, Ni plated Terminations: Au plating 1 µm min, over a 1.3-8.9 µm Ni plating 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 DSSF0280BA01984S Rev A 19-Mar-2010 ECN 36650 Page 3 of 3