500MHz to 2500MHzVCO Buffer AmplifiersMAX2472/MAX2473Typical Operating Characteristics (continued) (MAX2472/MAX2473 EV kit, VCC = +3V, TA = +25°C, unless otherwise noted.) MAX2473S11REVERSE ISOLATION vs. RBIAS -30 fIN = 900MHz MAX2472 toc16 -35 MAX2472 toc15 -40 -45 A B -50 D C REVERSE ISOLATION (dB) -55 A: fIN = 600MHz -60 R B: fIN = 900MHz 0 5 10 15 20 25 30 35 40 BIAS = 15kΩ C: fIN = 1900MHz RBIAS (kΩ) D: fIN = 2400MHz S21S12S22 MAX2472 toc18 MAX2472 toc17 MAX2472 toc19 D A C B D A B D C B A C A: fIN = 600MHz A: fIN = 600MHz A: fIN = 600MHz B: f (3 UNITS FULL SCALE) IN = 900MHz (0.1 UNITS FULL SCALE) B: fIN = 900MHz R B: fIN = 900MHz C: f BIAS = 15kΩ R IN = 1900MHz R C: f C: f BIAS = 15kΩ BIAS = 15kΩ IN = 1900MHz IN = 1900MHz D: fIN = 2400MHz D: fIN = 2400MHz D: fIN = 2400MHz _______________________________________________________________________________________7