SF0266CN02358S ICST | Alldatasheet

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Technical content

266.667 MHz SAW Bandpass Filter

0.27 MHz bandwidth

Part Number SF0266CN02358S Integrated Circuit Systems, Inc. Rev X2 21-Apr-05 Page 1 of 2 Integrated Circuit Systems • Surface Acoustic Wave Products TYPICAL PERFORMANCE Horizontal: 2 MHz/div Vertical (from top): Magnitude 10 dB/div Magnitude 1 dB/div Phase Linearity 5 deg/div SPECIFICATION Parameter Min Typ Max Units Nominal Center frequency (Fc, 8dB points) 266.667 MHz Insertion Loss 7.5 dB Lower 1 dB band Edge 266.532 MHz Upper 1 dB Band Edge 266.802 MHz Amplitude Ripple over Fc +/-135 kHz 1 dB p-p Phase Ripple (Fc +/- 135 kHz) 10 deg p-p Group delay Ripple (Fc +/- 135 kHz) 300 ns p-p Absolute Delay 0.75 us Lower 20 dB Band Edge 265.317 MHz Upper 20 dB Band Edge 268.017 MHz Rejection (253.34 to 265.317 MHz) 2 20 dB Rejection (268.017 to 280 MHz) 2 20 dB Rejection (280 MHz to 1.5*Fc MHz) 2 30 dB Rejection (0.5*Fc to 253.34 MHz) 2 30 dB Source and Load Impedance 50 Ω Input Power +10 dBm Operating Temperature Range 15 23 35 ° C Notes: 1. Unless noted otherwise, all specifications apply over the operating temperature with filter matched to 50 ohms and measured with a 50 ohm network analyzer. 2. Rejection levels are measured from the minimum loss in the passband. 3. All frequency specifications are referenced to the nominal center frequency, Fc.

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Part Number SF0266CN02358S Integrated Circuit Systems, Inc. Rev X2 21-Apr-05 Page 2 of 2 Integrated Circuit Systems • Surface Acoustic Wave Products PACKAGE OUTLINE Units: mm Pad Configuration: Input: 10 Input Return: 12 Output: 4 Output Return: 6 Ground: 1,2,3,5,7,8,9,11 MATCHING CIRCUIT 10 4 12 6 Cp1 Cp2 Ls1 Ls2 Typical component values: Ls1 = 36 nH Ls2 = 47 nH Cp1 = 22 pF Cp2 = 22 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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