500MHz to 2500MHz VCO Buffer AmplifiersTypical Operating Characteristics (MAX2472/MAX2473 EV kit, VCC = +3V, TA = +25°C, unless otherwise noted.) MAX2472SUPPLY CURRENT vs. TEMPERATURES21 2 vs. TEMPERATURE 7.0 PIN = -20dBm 14 fIN = 600MHz PIN = -20dBm fIN = 900MHz MAX2472 toc01 12 MAX2472 toc02 6.0 10 fIN = 900MHz VCC = 5V (dB) 8 (mA) 2 fIN = 1900MHz I CC V S 21 CC = 3V 6 5.0 4 fIN = 2400MHz 2 MAX2472/MAX2473 4.0 0 -40 -20 0 20 40 60 80 -50 -30 -10 10 30 50 70 90 TEMPERATURE (°C) TEMPERATURE (°C) S21 2 vs. OUTPUT POWERS11 14 fIN = 600MHz 12 MAX2472 toc03 MAX2472 toc06 10 fIN = 900MHz fIN = 1900MHz (dB) 8 2 S 21 6 fIN = 2400MHz A D B 4 C 2 FOR OUT1 WITH OUT2 REACTIVELY MATCHED AND TERMINATED 0 A: fIN = 600MHz -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 FOR OUT2 WITH OUT1 BIASED B: fIN = 900MHz P C: fIN = 1900MHz OUT (dBm) AND TERMINATED D: fIN = 2400MHz S21S12S22 MAX2472 toc07 MAX2472 toc08 MAX2472 toc09 D BA C D A C B D B A C A: fIN = 600MHz A: fIN = 600MHz A: fIN = 600MHz B: f (3 UNITS FULL SCALE) B: fIN = 900MHz (0.1 UNITS FULL SCALE) B: fIN = 900MHz FOR OUT2 WITH OUT1 BIASED IN = 900MHz C: f FOR OUT2 WITH OUT1 BIASED C: fIN = 1900MHz FOR OUT2 WITH OUT1 BIASED C: fIN = 1900MHz AND TERMINATED IN = 1900MHz D: f AND TERMINATED D: fIN = 2400MHz AND TERMINATED D: fIN = 2400MHz IN = 2400MHz 4_______________________________________________________________________________________