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| Integrated Circuit Systems, Inc. TYPICAL PERFORMANCE 426 MHz SAW Bandpass Filter 5.16 MHz bandwidth Part Number SF0426CN02357S Horizontal: 5 MHz/div Vertical (from top): Magnitude Magnitude Phase Linearity 10 1 5 dB/div dB/div deg/div SPECIFICATION Parameter Center Frequency (Fc, 3dB points) Average Insertion Loss (Fc +/- 2.58 MHz) Lower 0.5 dB Band Edge Upper 0.5 dB Band Edge Lower 3 dB Band Edge Upper 3 dB Band Edge Lower 40 dB Band edge Upper 40 dB Band Edge Lower 45 dB Band Edge Upper 45 dB Band Edge Lower 50 dB Band Edge Upper 50 dB Band Edge Rejection (100 to 419.5 MHz) Rejection (433.5 to 500 MHz) Passband Ripple Phase Ripple (423.3 to 428.7 MHz) Input VSWR at 426 MHz Output VSWR at 426 MHz Triple Transit Suppression Source and Load Impedance Input Power Operating Temperature Range Notes: 2 Min Typ 426.00 Max 20.5 423.36 Units MHz dB MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz dB dB dB deg p-p :1 :1 dB dBm C 428.52 422.35 429.65 421.31 430.74 421.20 430.89 419.50 433.50 50 50 0.7 10 5.0 2.5 40 50 0 23 +10 70 1. Unless noted otherwise, specifications apply @ temp range in a 50 ohm system. 2. All dB values are referenced to the insertion loss. Rev X5 21-Apr-05 Page 1 of 2 Integrated Circuit Systems * Surface Acoustic Wave Products 324 Clark Street, Worcester, MA 01606, USA * Phone 508-852-5400 * Fax 508-852-8456 www.icst.com QF12/3 Integrated Circuit Systems, Inc. PACKAGE OUTLINE 426 MHz SAW Bandpass Filter 5.16 MHz bandwidth Part Number SF0426CN02357S Units: mm Pad Configuration: Input: 11 Output: 5 Ground: 1,2,3,4,6,7,8,9,10,12 MATCHING CIRCUIT Ls1 Ls2 11 5 Cp1 Cp2 Typical component values: (Minimum inductor Q = 40) Notes * * Ls1 = 27 nH Cp1 = 15 pF Ls2 = 22 nH Cp2 = 12 pF Maximum 2% tolerance matching components shall be used. Tuning values shown are for reference only. Optimum values may change depending upon board layout. ISO 9001 Registered Rev X5 21-Apr-05 Page 2 of 2 Integrated Circuit Systems * Surface Acoustic Wave Products 324 Clark Street, Worcester, MA 01606, USA * Phone 508-852-5400 * Fax 508-852-8456 www.icst.com QF12/3 |
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