141 MHz SAW Filter 1.05 MHz Bandwidth Part Number SF0141CD11968S TYPICAL PERFORMANCE Horizontal: 1 MHz/div Vertical (from top): Magnitude Magnitude Group Delay Deviation 10 1 200 dB/div dB/div ns/div SPECIFICATION Parameter Center Frequency, Fc 1 Passband Width 2 Insertion Loss at Fc 3.75 dB Bandwidth 40 dB Bandwidth Stopband Rejection, 79.75 – 139.75 MHz & 142.25 MHz - 202.25 MHz Amplitude Ripple 3 Group Delay Ripple 3 Return Loss at Input and Output 3 5 Phase Linearity 4 Absolute Delay Source and Load Impedance Operating Temperature Range Min 1.18 40 8 2.34 Typ 141 1.05 11.8 1.43 2.29 45 0.8 125 12 0.6 2.39 50 0 Max 14 2.5 1.0 300 2.0 2.54 +85 Units MHz MHz dB MHz MHz dB dB p-p ns p-p dB deg rms µs Ω °C Notes: 1. Fixed reference. All specified bandwidths are centered at this frequency. 2. Defined bandwidth, centered at 141 MHz. Other parameters are specified over this bandwidth. 3. Over the passband. 4. Over 141 MHz +/- 630 kHz. 5. When matched using external components as described below. Spectrum Microwave 400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401 www.SpectrumMicrowave.com DSSF0141CD11968S Rev A 11-Mar-2010 ECN 36650 Page 1 of 2 141 MHz SAW Filter 1.05 MHz Bandwidth Part Number SF0141CD11968S PACKAGE OUTLINE Units: mm Pin Configuration: Input: 1 Input Return: 10 Output: 6 Output Return: 5 Ground: 2, 3, 4, 7, 8, 9 MATCHING CIRCUIT Ls1 Ls2 1 6 Cp1 Cp2 10 Typical component values: (Minimum Q = 45) Ls1 = 124 nH Cp1 = 56 pF 5 Ls2 = 110 nH Cp2 = 52 pF Notes: 1. Component values shown are those used in the Spectrum Microwave test fixture. Values used in a particular application may differ from this, depending on board layout. 2. 2% components or better are recommended in order to meet the return loss specification over the full operating temperature range. 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 DSSF0141CD11968S Rev A 11-Mar-2010 ECN 36650 Page 2 of 2