76.8 MHz SAW Filter 40 MHz Bandwidth Part Number SF0077BA03185S DESCRIPTION • • • 76.8 MHz SAW bandpass filter with 40 MHz bandwidth. 13.3 x 6.5 mm LCC package. RoHS compliant. TYPICAL PERFORMANCE Amp 10 dB/div Amp 1 dB/div Phase 20 deg/div Delay 100 ns/div Center = 76.8 MHz, 15 MHz/div (187.5 kHz incr) S11 (1.8-151.8 MHz) S22 (1.8-151.8 MHz) Spectrum Microwave 400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401 www.SpectrumMicrowave.com DSSF0077BA03185S Rev A ECN 36650 18-Feb-2010 Page 1 of 3 76.8 MHz SAW Filter 40 MHz Bandwidth Part Number SF0077BA03185S SPECIFICATION Parameter Min Typ Max Units - 76.8 - MHz - 21.4 22 1.5 dB Bandwidth 40 42.1 - MHz 3 dB Bandwidth 42 43.6 - MHz - 50.4 53 MHz - 0.85 1 dB p-p - 28 50 ns p-p Center Frequency, FC 1 Insertion Loss 40 dB Bandwidth Amplitude Ripple 2 Group Delay Variation 2 Absolute Delay dB - 0.95 - us Rejection (10 to 50.3 MHz) 3 40 44 - dB Rejection (103.3 to 150 MHz) 3 40 48 - dB Source and Load Impedance 50 ohms Temperature Coefficient of Frequency -86 ppm/˚C Ambient Temperature Notes: - 25 - ˚C 1. Reference frequency. Computed as mean of the 3 dB frequencies. 2. Defined over Fc +/- 19.25 MHz. 3. Dependent upon PC board layout. MAXIMUM RATINGS Parameter Storage Temperature Range Operating temperature Range Input Power Level Min Max -25 15 - 70 35 13 Units ˚C ˚C dBm MATCHING CIRCUIT 11 5 Input 50 Ω Single ended Output 50 Ω Single ended All other pads Typical Component values: Ls1 = 180 nH Cp1 = 33 pF Ls2 = 248 nH Cp2 = 5 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 DSSF0077BA03185S Rev A ECN 36650 18-Feb-2010 Page 2 of 3 76.8 MHz SAW Filter 40 MHz Bandwidth Part Number SF0077BA03185S PACKAGE OUTLINE SUGGESTED FOOTPRINT Units: mm Tolerances are ±0.15 mm except where indicated. Pad Configuration: Input: 11 Output: 5 Ground: All other pads Package Material: Body: Al2O3 ceramic Lid: Kovar, Ni plated Terminations: Au plating 1 µm min, over a 1.3-8.9 µm 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. © 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 DSSF0077BA03185S Rev A ECN 36650 18-Feb-2010 Page 3 of 3