77.8 MHz SAW Filter 3.84 MHz Bandwidth Part Number: SF0078BA03002S DESCRIPTION • • • 77.8 MHz SAW bandpass filter with 3.84 MHz bandwidth for WCDMA applications. 13.3 x 6.5 mm SMP. RoHS compliant. TYPICAL PERFORMANCE Horizontal: Vertical from top: S11 (75.88 to 79.72 MHz) Circle is 2.0:1 VSWR Frequency : Relative Magnitude : Relative magnitude : Phase Linearity : Group Delay : 4 10 1 10 100 MHz/div dB/div dB/div deg/div ns/div S22 (75.88 to 79.72 MHz) Circle is 2.0:1 VSWR Spectrum Microwave 400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401 www.SpectrumMicrowave.com DSSF0078BA03002S Rev A ECN 36650 22-Feb-2010 Page 1 of 3 77.8 MHz SAW Filter 3.84 MHz Bandwidth Part Number: SF0078BA03002S SPECIFICATION Parameter Center Frequency, Fc (fixed reference) Operating Bandwidth Insertion Loss at Fc Amplitude Ripple 1 Triple Travel Response Lower 35 dB Frequency Upper 35 dB Frequency Phase Linearity 1 Group Delay Variation 1 Absolute Delay Rejection 2 (0.3 to 7 MHz) (7 to 63 MHz) (63 to 71.5 MHz) (84.1 to 87.8 MHz) (87.8 to 93 MHz) (93 to 140 MHz) (140 to 170 MHz) (170 to 300 MHz) Input and Output VSWR at 25˚C 1 Source and Load Impedance Ambient Temperature Notes: Min 35 71.5 25 45 35 32 40 45 25 45 Typ 77.8 3.84 12 0.4 42 72.5 83.0 2.5 50 1.06 44 55 50 42 53 57 31 60 1.5 50 25 20 Max 15 1 84.1 8 100 1.5 2.0 30 Units MHz MHz dB dB p-p dB MHz MHz deg p-p ns p-p us dB dB dB dB dB dB dB dB :1 Ω °C 1. Applies over the operating bandwidth. 2. Rejection relative to passband insertion loss. MAXIMUM RATINGS Parameter Storage Temperature Range Operating Temperature Range Operating Input Power Level Input Power Level without Damage Min Max Units -40 -10 - 95 85 -10 +17 ˚C ˚C dBm dBm MATCHING CIRCUIT 11 5 Input 50 Ω Single-ended Output 50 Ω Single-ended 12 6 Typical component values: Rp1 Ls1 Cp1 = = = 220 120 47 Ω nH pF Rp2 = Ls2 = Cp2 = 220 150 33 Ω nH pF Notes: 1. Recommend use of +/- 2% tolerance components. Minimum Q=40. 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 DSSF0078BA03002S Rev A ECN 36650 22-Feb-2010 Page 2 of 3 77.8 MHz SAW Filter 3.84 MHz Bandwidth Part Number: SF0078BA03002S PACKAGE OUTLINE SUGGESTED FOOTPRINT Units: mm Tolerances are ±0.15 mm except for the overall length, width and pad dimensions, which are nominal values. Pad Configuration: Input: 11 Input return: 12 Output: 5 Output return: 6 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 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 DSSF0078BA03002S Rev A ECN 36650 22-Feb-2010 Page 3 of 3