SF0426CN02357S APITECH | Alldatasheet

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426 MHz SAW Bandpass Filter

5.16 MHz bandwidth

Part Number SF0426CN02357S Integrated Circuit Systems, Inc. Rev X5 21-Apr-05 Page 1 of 2 Integrated Circuit Systems • Surface Acoustic Wave Products TYPICAL PERFORMANCE Horizontal: 5 MHz/div Vertical (from top): Magnitude 10 dB/div Magnitude 1 dB/div Phase Linearity 5 deg/div SPECIFICATION Parameter Min Typ Max Units Center Frequency (Fc, 3dB points) 426.00 MHz Average Insertion Loss (Fc +/- 2.58 MHz) 2 20.5 dB Lower 0.5 dB Band Edge Upper 0.5 dB Band Edge 428.52 423.36 MHz MHz Lower 3 dB Band Edge Upper 3 dB Band Edge 422.35 429.65 MHz MHz Lower 40 dB Band edge Upper 40 dB Band Edge 421.31 430.74 MHz MHz Lower 45 dB Band Edge Upper 45 dB Band Edge 421.20 430.89 MHz MHz Lower 50 dB Band Edge Upper 50 dB Band Edge 419.50 433.50 MHz MHz Rejection (100 to 419.5 MHz) 50 dB Rejection (433.5 to 500 MHz) 50 dB Passband Ripple 0.7 dB Phase Ripple (423.3 to 428.7 MHz) 10 deg p-p Input VSWR at 426 MHz 5.0 :1 Output VSWR at 426 MHz 2.5 :1 Triple Transit Suppression 40 dB Source and Load Impedance 50 Ω Input Power +10 dBm Operating Temperature Range 0 23 70 ° C Notes: 1. Unless noted otherwise, specifications apply @ temp range in a 50 ohm system. 2. All dB values are referenced to the insertion loss.

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Part Number SF0426CN02357S Integrated Circuit Systems, Inc. Rev X5 21-Apr-05 Page 2 of 2 Integrated Circuit Systems • Surface Acoustic Wave Products PACKAGE OUTLINE Units: mm Pad Configuration: Input: 11 Output: 5 MATCHING CIRCUIT 11 5 Cp1 Cp2 Ls1 Ls2 Typical component values: Ls1 = 27 nH Ls2 = 22 nH Cp1 = 15 pF Cp2 = 12 pF (Minimum inductor Q = 40) Notes 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

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