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8 page 
1700MHz to 2500MHz Variable-Gain Amplifier with Analog Gain Control 8 _______________________________________________________________________________________ OUTPUT IP3 vs. RF FREQUENCY RF FREQUENCY (MHz) 2300 2100 1900 1700 32 34 36 38 40 30 1500 2500 TA = +85 °C TA = +25 °C TA = -40 °C OUTPUT IP2 vs. RF FREQUENCY RF FREQUENCY (MHz) 2300 2100 1900 1700 50 55 60 65 70 75 45 1500 2500 TA = +85 °C TA = +25 °C TA = -40 °C Typical Operating Characteristics (continued) Two Attenuator Configuration (Typical Application Circuit with two attenuators connected, VCC = +5.0V, R1 = 1.2k Ω, R2 = 2kΩ, fIN = 2100MHz, maximum gain setting, POUT = +5dBm, linearity measured at POUT = +5dBm/tone, TA = +25°C, unless otherwise noted.) REVERSE ISOLATION vs. RF FREQUENCY RF FREQUENCY (MHz) 2300 2100 1900 1700 35 40 45 30 1500 2500 TA = +25 °C TA = +85 °C TA = -40 °C INPUT RETURN LOSS vs. RF FREQUENCY RF FREQUENCY (MHz) 2300 2100 1700 1900 35 30 25 20 15 10 5 0 40 1500 2500 MAXIMUM GAIN 6dB GAIN REDUCTION 12dB, 18dB, 24dB, 30dB GAIN REDUCTION OUTPUT RETURN LOSS vs. RF FREQUENCY RF FREQUENCY (MHz) 2300 2100 1700 1900 35 30 25 20 15 10 5 0 40 1500 2500 6dB, 12dB, 18dB, 24dB, 30dB GAIN REDUCTION MAXIMUM GAIN GAIN vs. RF FREQUENCY RF FREQUENCY (MHz) 2300 2100 1900 1700 -20 -15 -5 -10 0 5 10 15 20 -25 1500 2500 MAXIMUM GAIN 30dB GAIN REDUCTION REVERSE ISOLATION vs. RF FREQUENCY RF FREQUENCY (MHz) 2300 2100 1700 1900 30 40 50 60 70 80 20 1500 2500 30dB GAIN REDUCTION MAXIMUM GAIN NOISE FIGURE vs. RF FREQUENCY RF FREQUENCY (MHz) 2300 2100 1700 1900 7.0 7.5 6.5 8.0 8.5 9.0 9.5 10.0 10.5 11.0 6.0 1500 2500 TA = +85 °C TA = +25 °C TA = -40 °C |
