500MHz to 2500MHz
VCO Buffer Amplifiers
Typical Operating Characteristics (continued)
(MAX2472/MAX2473 EV kit, VCC = +3V, TA = +25°C, unless otherwise noted.)
MAX2473
REVERSE ISOLATION vs. RBIAS
-30
fIN = 900MHz
-35
-40
-45
-50
-55
-60
0 5 10 15 20 25 30 35 40
RBIAS (kΩ)
S11
RBIAS = 15kΩ
A
B
DC
A: fIN = 600MHz
B: fIN = 900MHz
C: fIN = 1900MHz
D: fIN = 2400MHz
S21
S12
S22
D
C
(3 UNITS FULL SCALE)
RBIAS = 15kΩ
B
A
A: fIN = 600MHz
B: fIN = 900MHz
C: fIN = 1900MHz
D: fIN = 2400MHz
DA
CB
(0.1 UNITS FULL SCALE)
RBIAS = 15kΩ
A: fIN = 600MHz
B: fIN = 900MHz
C: fIN = 1900MHz
D: fIN = 2400MHz
RBIAS = 15kΩ
A
B
D
C
A: fIN = 600MHz
B: fIN = 900MHz
C: fIN = 1900MHz
D: fIN = 2400MHz
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