238.5 MHz SAW Filter 10 MHz Bandwidth Part Number: SF0239CD03100S DESCRIPTION • • • 238.5 MHz SAW bandpass filter with 10 MHz bandwidth. 5 x 7 mm LCC package. RoHS compliant. TYPICAL PERFORMANCE Horizontal: Vertical from Top: S11 (188.5-288.5 MHz) Frequency : Relative Magnitude : Relative magnitude : Phase Linearity : Group Delay Deviation : 10 10 1 10 100 MHz/div dB/div dB/div deg/div ns/div S22 (188.5-288.5 MHz) Spectrum Microwave 400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401 www.SpectrumMicrowave.com DSSF0239CD03100S Rev A 19-Mar-2010 ECN 36650 Page 1 of 3 238.5 MHz SAW Filter 10 MHz Bandwidth Part Number: SF0239CD03100S SPECIFICATION Parameter Center Frequency ( Fc) Insertion Loss Passband Ripple 1 Phase Deviation from Linear 1 1.5 dB Bandwidth Rejection (138.5 to 218.5 MHz) Rejection (218.5 to 228.5 MHz) Rejection (228.5 to 230 MHz) Rejection (247 to 248.5 MHz) Rejection (248.5 to 258.5 MHz) VSWR over Fc ± 4.42 MHz System Source and Load Impedance Ambient Temperature Notes: Min 8.84 45 30 10 10 30 - Typ 238.5 11.5 0.6 9 9.2 49 40 21 25 38 2.2 50 25 - Max 13.5 1.5 2.5 Units MHz dB dB p-p deg. p-p MHz dB dB dB dB dB :1 Ω ºC - 1. Evaluated over any 4 MHz contiguous bandwidth within 238.5 ± 5 MHz. 2. Limits are met over the full operating temperature range. MAXIMUM RATINGS Parameter Storage Temperature Range Operating Temperature Range Input Power Level Min Typ Max -40 -20 - 25 25 10 85 85 20 Units ˚C ˚C dBm MATCHING CIRCUIT 10 4 Input 50 Ω Single-ended Output 50 Ω Single-ended all other pads Typical component values: Ls1 Cp1 = = 18 39 nH pF Ls2 Cp2 = = 22 33 nH pF 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 DSSF0239CD03100S Rev A 19-Mar-2010 ECN 36650 Page 2 of 3 238.5 MHz SAW Filter 10 MHz Bandwidth Part Number: SF0239CD03100S PACKAGE OUTLINE SUGGESTED FOOTPRINT Units: mm Tolerances are ±0.15 mm except where indicated and for the overall length and width, which are nominal values. Pad Configuration: Package Material: Body: Al2O3 ceramic Lid: Kovar, Ni plated Terminations: Au plating 1 µm min, over a 1.3-8.9 µm Ni plating Input: Output: Ground: 10 4 All other pads 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 DSSF0239CD03100S Rev A 19-Mar-2010 ECN 36650 Page 3 of 3