77.8 MHz SAW Filter 9.24 MHz Bandwidth Part Number SF0078BA03112S DESCRIPTION * * * 77.8 MHz SAW bandpass filter with 9.24 MHz bandwidth. 13.3 x 6.5 mm SMP package. RoHS compliant. TYPICAL PERFORMANCE Horizontal: Vertical from Top: Frequency : Relative Magnitude : Relative magnitude : Phase Linearity : Group Delay : S11 4 10 1 10 100 MHz/div dB/div dB/div deg/div ns/div S22 Spectrum Microwave 400 Nickerson Road, Marlborough, MA 01752, USA * Phone 1-508-251-6400 * Fax 1-508-251-6401 www.SpectrumMicrowave.com DSSF0078BA03112S Rev B ECN 36650 22-Feb-2010 Page 1 of 3 77.8 MHz SAW Filter 9.24 MHz Bandwidth Part Number SF0078BA03112S SPECIFICATION Parameter 2 Min Typ Center Frequency (Fc) 1 77.8 Operating Bandwidth 9.24 10.1 Insertion Loss 15.5 Amplitude Ripple 3 0.6 Triple Travel Suppression 30 36 3 Phase Deviation from Linear 4 Group Delay Variation 3 100 Absolute Delay 0.97 Rejection at Fc+/-6.0 MHz 2 5 7 Rejection at Fc+7.1 MHz 2 16 18 Rejection 2 0.3 to 55 MHz 45 59 55 to 68 MHz 30 40 88 to 100 MHz 30 41 100 to 115 MHz 45 52 115 to 135 MHz 42 47 135 to 150 MHz 45 52 150 to 165 MHz 30 37 165 to 220 MHz 45 55 220 to 250 MHz 26 30 250 to 500 MHz 40 63 Input/Output Return Loss (Fc+/-4.62 MHz) 6 8.5 Temperature Coefficient of Frequency -74 System Source and Load Impedance 50 Notes: 1. Fixed reference frequency.. 2. Rejection relative to passband insertion loss 3. Evaluated over any 3.84 MHz band within Fc+/-4.62 MHz. 4. All parameters met over operating temperature range. Max 17 1.2 10 180 - Units MHz MHz dB dB p-p dB deg p-p ns p-p us dB dB dB dB dB dB dB dB dB dB dB dB dB ppm/C - MAXIMUM RATINGS Parameter Storage Temperature Range Operating Temperature Range Input Power Level Min Max -40 -10 - 85 75 22 Units C C dBm MATCHING CIRCUIT Input 50 Single-ended Typical component values: (Minimum inductor Q = 45) Output 50 Single-ended Ls1 Lp1 Rp2 = = = 56 150 1000 nH nH Ls2 = Rp1 = 330 560 nH Notes: 1. Recommend the use of +/-2% tolerance components. 2. Component values shown are for guidance 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 DSSF0078BA03112S Rev B ECN 36650 22-Feb-2010 Page 2 of 3 77.8 MHz SAW Filter 9.24 MHz Bandwidth Part Number SF0078BA03112S PACKAGE OUTLINE SUGGESTED FOOTPRINT Units: mm Tolerances are 0.15 mm except for the overall length and width, which are nominal values. Pad Configuration: Input: 11 Input return: 12 Output: 5 Output return: 6 Ground: 1,2,3,4,7,8,9,10 Package Material: Body: Al2O3 ceramic Lid: Kovar, Ni plated Terminations: Au plating 1 m min, over a 1.3-8.9 m Ni plating 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 DSSF0078BA03112S Rev B ECN 36650 22-Feb-2010 Page 3 of 3