140 MHz SAW Filter 28 MHz Bandwidth Part Number: SF0140CF51935T DESCRIPTION • • • 140 MHz SAW bandpass filter with 28 MHz bandwidth. 22.1 x 12.7 mm DIP package. RoHS compliant. TYPICAL PERFORMANCE Horizontal: Vertical from Top: S11 (100 to 180 MHz) Frequency : Relative Magnitude : Relative magnitude : Phase Linearity : Group Delay : 8 10 1 5 50 MHz/div dB/div dB/div deg/div ns/div S22 (100 to 180 MHz) Spectrum Microwave 400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401 www.SpectrumMicrowave.com DSSF0140CF51935T Rev B ECN 36650 11-Mar-2010 Page 1 of 3 140 MHz SAW Filter 28 MHz Bandwidth Part Number: SF0140CF51935T SPECIFICATION Parameter Center Frequency (Fc) 1 Insertion Loss at Fc 1 dB Bandwidth 3 dB Bandwidth 40 dB Bandwidth Passband Ripple 2 Phase Ripple 2 Group Delay Ripple 2 Absolute Delay Rejection (100 to 120 MHz) Rejection (160 to 180 MHz) Source and Load Impedance Ambient Temperature Notes: Min 139.75 26.4 28.0 50 50 - Typ 140.00 24.8 26.8 28.4 34.8 0.5 3 20 1.04 55 55 50 25 Max 140.25 26.5 36.0 0.7 6 50 - Units MHz dB MHz MHz MHz dB p-p deg p-p ns p-p us dB dB ohms °C 1. Mean value of the 3 dB band edge frequencies. 2. Computed as the delta of the highest and lowest points inside the 1 dB Bandwidth. MAXIMUM RATINGS Parameter Storage Temperature Range Temperature Coefficient of Frequency Input Power Level Min Typ Max Units -40 - 25 -74 10 85 13 ˚C ppm/˚C dBm MATCHING CIRCUIT 14 8 Output 50 Ω Single-ended Input 50 Ω Single-ended 1 7 Typical component values: Ls1 Cp1 = = 47 18 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 DSSF0140CF51935T Rev B ECN 36650 11-Mar-2010 Page 2 of 3 140 MHz SAW Filter 28 MHz Bandwidth Part Number: SF0140CF51935T PACKAGE OUTLINE Units: mm Tolerances are ±0.15 mm except where indicated and for the overall length and width, which are nominal values. Pin Configuration: Input: Input return: Output: Output return: Ground: 14 1 8 7 2,9 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 DSSF0140CF51935T Rev B ECN 36650 11-Mar-2010 Page 3 of 3