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F2255 Datasheet(PDF) 4 Page - Integrated Device Technology |
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F2255 Datasheet(HTML) 4 Page - Integrated Device Technology |
4 / 24 page Voltage Variable RF Attenuator 50MHz to 6000MHz Voltage Variable RF Attenuator 4 REV 4, January 2017 F2250NLGK Datasheet F2250 SPECIFICATION Refer to EVKit / Applications Circuit, VDD = +3.3V, TC = +25°C, signals applied to RF1 input, FRF = 2000MHz, minimum attenuation, PIN = 0dBm for small signal parameters, +20dBm for single tone linearity tests, +20dBm per tone for two tone tests, two tone delta frequency = 50MHz, PCB board traces and connector losses are de-embedded unless otherwise noted. Refer to Typical Operating Curves for performance over entire frequency band. Parameter Symbol Comment Min Typ Max Units Insertion Loss, IL (Minimum Attenuation) AMIN 2GHz 1.4 1.9 1 dB 3GHz 1.6 6GHz 2.6 3.1 Maximum Attenuation AMAX 34 2 35 dB Insertion Phase Δ ΦΔMAX At 36dB attenuation relative to Insertion Loss 27 deg ΦΔMID At 18dB attenuation relative to Insertion Loss 10 Input 1dB Compression 3 P1dB 34.4 dBm Minimum RF1 Return Loss over control voltage range S11 50MHz 4 16 dB 700MHz 17 2000MHz 17 6000MHz 15 Minimum RF2 Return Loss over control voltage range S22 50MHz 4 16 dB 700MHz 15 2000MHz 16 6000MHz 13 Input IP3 IIP3 65 dBm Input IP3 over Attenuation IIP3ATTEN All attenuation settings 44 47 Minimum Output IP3 OIP3MIN Maximum attenuation 35 Input IP2 IIP2 PIN + IM2dBC, IM2 term is F1+F2 95 dBm Minimum Input IP2 IIP2MIN All attenuation settings 87 dBm Input IH2 HD2 PIN + H2dBc 90 dBm Input IH3 HD3 PIN + (H3dBc/2) 54 dBm Settling Time TSETTL0.1dB Any 1dB step in the 0dB to 33dB control range 50% VCTRL to RF settled to within ± 0.1dB 15 µsec Specification Notes: 1 – Items in min/max columns in bold italics are Guaranteed by Test. 2 – Items in min/max columns that are not bold/italics are Guaranteed by Design Characterization. 3 – The input 1dB compression point is a linearity figure of merit. Refer to Absolute Maximum Ratings section. along with Figure 1 for the maximum RF input power vs. RF frequency. 4 – Set blocking capacitors C7 & C8 to 0.01uF to achieve best return loss performance at 50MHz. |
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