SF0140BA02359T ICST | Alldatasheet

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140 MHz SAW Bandpass Filter

4.7 MHz bandwidth

Part Number SF0140BA02359T Integrated Circuit Systems, Inc. Rev X5 20-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 Center Frequency (Fc, 3dB points) 140.00 MHz Insertion Loss (at Fc) 25 dB 1 dB Bandwidth 2 4.70 MHz 3 dB Bandwidth 2 5.00 MHz 40 dB Bandwidth 2 7.00 MHz Device Delay 2.60 us Group Delay Deviation (in 1dB BW) 3 150 ns p-p Phase Linearity (in 1dB BW) 5 deg p-p Passband Ripple (in 1dB BW) 0.7 dB p-p Rejection (70 to 127.5 MHz) 2 50 dB Rejection (162.5 to 210 MHz) 2 50 dB Input Return Loss (80% 1 dB Bandwidth) 14 dB Output Return Loss (80% 1 dB Bandwidth) 14 dB System Source and Load Impedance 50 Ω Temperature Coefficient -35 ppm/°C Input Power +10 dBm Operating Temperature Range 23 ° C Notes: 1. All specifications apply at 23C. 2. Parameter is measured relative to the insertion loss at 140 MHz. 3. This parameter is to be measured after applying a smoothing aperture of 250 kHz.

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Part Number SF0140BA02359T Integrated Circuit Systems, Inc. Rev X5 20-Apr-05 Page 2 of 2 Integrated Circuit Systems • Surface Acoustic Wave Products PACKAGE OUTLINE Units: mm Pin Configuration: Input: 1 Output: 8 Ground: 2,7,9,14 MATCHING CIRCUIT Typical component values: Ls1 = 43 nH Ls2 = 47 nH Cp1 = 33 pF Cp2 = 33 pF Rs1 = 10 ohm Rs2 = 7.5 ohm (Minimum inductor Q = 40) Notes Recommend use of 2% matching components.. •

  • Tuning values shown are for reference only. Optimum values may change depending upon board layout. ISO 9001 Registered

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