Datasheet
MAX2065
50MHz to 1000MHz High-Linearity, Serial/
Parallel-Controlled Analog/Digital VGA
______________________________________________________________________________________ 17
Typical Operating Characteristics (continued)
(V
CC
= +3.3V, HC mode, both attenuators set for maximum gain, P
IN
= -20dBm, f
RF
= 200MHz, and T
C
= +25°C, internal DAC refer-
ence used, unless otherwise noted.)
3rd HARMONIC vs. RF FREQUENCY
RF FREQUENCY (MHz)
3rd HARMONIC (dBc)
250 450 650 850 1050
110
50
100
90
80
70
60
50
MAX2065 toc93
T
C
= -40°C
P
OUT
= 3dBm
T
C
= +85°C
T
C
= +25°C
V
CC
= 3.3V
3rd HARMONIC vs. RF FREQUENCY
RF FREQUENCY (MHz)
3rd HARMONIC (dBc)
250 450 650 850 1050
110
50
100
90
80
70
60
50
MAX2065 toc94
P
OUT
= 3dBm
V
CC
= 3.3V
V
CC
= 3.6V
V
CC
= 3.0V
3rd HARMONIC
vs. DIGITAL ATTENUATOR STATE
DIGITAL ATTENUATOR STATE (dB)
3rd HARMONIC (dBc)
4 8 12 16 20 24 28 32
90
70
85
80
75
0
MAX2065 toc95
T
C
= -40°C
P
OUT
= 0dBm
T
C
= +25°C, +85°C
V
CC
= 3.3V
RF = 200MHz
3rd HARMONIC
vs. ANALOG ATTENUATOR STATE
DAC CODE
3rd HARMONIC (dBc)
32 64 96 128 160 192 224 256
110
50
100
90
80
70
60
0
MAX2065 toc96
T
C
= -40°C
P
OUT
= 0dBm
T
C
= +85°C
T
C
= +25°C
V
CC
= 3.3V
RF = 200MHz
OIP2 vs. RF FREQUENCY
RF FREQUENCY (MHz)
OIP2 (dBm)
250 450 650 850 1050
70
30
60
50
40
50
MAX2065 toc97
T
C
= -40°C
P
OUT
= 0dBm/TONE
T
C
= +85°C
T
C
= +25°C
V
CC
= 3.3V
OIP2 vs. RF FREQUENCY
RF FREQUENCY (MHz)
OIP2 (dBm)
250 450 650 850 1050
70
30
60
50
40
50
MAX2065 toc98
P
OUT
= 0dBm/TONE
V
CC
= 3.3V
V
CC
= 3.6V
V
CC
= 3.0V
OIP2 vs. DIGITAL ATTENUATOR STATE
DIGITAL ATTENUATOR STATE (dB)
OIP2 (dBm)
4 8 12 16 20 24 28 32
70
30
60
50
40
0
MAX2065 toc99
T
C
= -40°C
T
C
= +25°C
P
OUT
= 0dBm/TONE
T
C
= +85°C
V
CC
= 3.3V
RF = 200MHz
OIP2 vs. ANALOG ATTENUATOR STATE
DAC CODE
OIP2 (dBm)
32 64 96 128 160 192 224 256
70
30
60
50
40
0
MAX2065 toc100
T
C
= -40°C
T
C
= +25°C
P
OUT
= -3dBm/TONE
T
C
= +85°C
V
CC
= 3.3V
RF = 200MHz
2nd HARMONIC
vs. ANALOG ATTENUATOR STATE
DAC CODE
2nd HARMONIC (dBc)
32 64 96 128 160 192 224 256
80
30
70
60
50
40
0
MAX2065 toc92
T
C
= -40°C
P
OUT
= 0dBm
T
C
= +85°C
T
C
= +25°C
V
CC
= 3.3V
RF = 200MHz