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 Single-ended Input 50 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. (c) 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