SP959B
SP959B is DECT RF Filters manufactured by SIPAT.
Sichuan Institute of Piezoelectric and Acoustooptic Technology
For DECT RF Filters (F-11 Package) SP959B
Electrical Characteristic:
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Characteristic Nominal Center Frequency 1d B Bandwidth(from f0) Stop Band Attenuation (from peak level) at F0±45MHz Insertion Loss(at F0±1.2MHz) Input/Output Impedance (Nominal)
Sym F0 ∆F1d B
Unit MHz MHz d B d B
Spec 959 ±1.2 40min 4.5max
Input/Output Impedance(fig1):
F-11 Package(fig2):
L1 L2=10n H This may be changed according to PCB Frequency Characteristic(fig3):
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Type performance 0 -10 -20 -30 -40 -50 -60 -70 -80 860
Magnitude(d B)
940 960 980 Frequency(MHz)
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