Monolithic Voltage-Controlled Oscillators
Typical Operating Characteristics
(VCC = +3.0V, VTUNE = 0.4V to 2.4V, V SHDN = 2V, TA = +25°C, unless otherwise noted.)
MAX2622
VCO TUNING CURVE
1000
950
TA = -40°C
900
850
TA = +85°C
TA = +25°C
800
750
0
0.5 1.0 1.5 2.0 2.5 3.0
VTUNE (V)
SUPPLY CURRENT
vs. TEMPERATURE
10
MAX2623
VCO TUNING CURVE
1050
MAX2624
VCO TUNING CURVE
1100
1000
950
TA = -40°C
TA = +85°C
900
TA = +25°C
1050
TA = -40°C
1000
TA = +85°C
950
TA = +25°C
850
900
800
0
0.5 1.0 1.5 2.0 2.5 3.0
VTUNE (V)
850
0
0.5 1.0 1.5 2.0 2.5 3.0
VTUNE (V)
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
2.0
1.5
9
1.0
8
0.5
7
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
0
-40 -20 0
20 40 60 80
TEMPERATURE (°C)
PHASE NOISE
-60
NORMALIZED HARMONIC OUTPUT SPECTRUM
-70
∆ = 29dBc
-80
∆ = -48dBc
-90
-100
-110
-120
-130
10
100
1000
OFFSET FREQUENCY (kHz)
fO
2fO
3fO
FREQUENCY
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