Datasheet
MAX2065
50MHz to 1000MHz High-Linearity, Serial/
Parallel-Controlled Analog/Digital VGA
16 ______________________________________________________________________________________
OUTPUT P1dB vs. RF FREQUENCY
RF FREQUENCY (MHz)
OUTPUT P1dB (dBm)
250 450 650 850 1050
17
9
10
15
14
13
16
12
11
50
MAX2065 toc84
V
CC
= 3.0V
V
CC
= 3.6V
V
CC
= 3.3V
OUTPUT IP3 vs. RF FREQUENCY
RF FREQUENCY (MHz)
OUTPUT IP3 (dBm)
250 450 650 850 1050
50
20
25
40
35
45
30
50
MAX2065 toc85
V
CC
= 3.3V
T
C
= +25°C
T
C
= +85°C
T
C
= -40°C
OUTPUT IP3 vs. RF FREQUENCY
RF FREQUENCY (MHz)
OUTPUT IP3 (dBm)
250 450 650 850 1050
50
20
25
40
35
45
30
50
MAX2065 toc86
V
CC
= 3.0V
V
CC
= 3.6V
V
CC
= 3.3V
OUTPUT IP3
vs. DIGITAL ATTENUATOR STATE
DIGITAL ATTENUATOR STATE (dB)
OUTPUT IP3 (dBm)
4 8 12 16 20 24 28 32
39
38
34
37
36
35
0
MAX2065 toc87
T
C
= -40°C, +25°C, +85°C
TONE = LSB, USB
P
OUT
= -3dBm/TONE
RF = 200MHz
V
CC
= 3.3V
OUTPUT IP3
vs. ANALOG ATTENUATOR STATE
DAC CODE
OUTPUT IP3 (dBm)
32 64 96 128 160 192 224 256
45
40
25
35
30
0
MAX2065 toc88
T
C
= -40°C, +25°C, +85°C
TONE = LSB, USB
P
OUT
= -3dBm/TONE
RF = 200MHz
V
CC
= 3.3V
2nd HARMONIC vs. RF FREQUENCY
RF FREQUENCY (MHz)
2nd HARMONIC (dBc)
250 450 650 850 1050
80
30
40
70
60
50
50
MAX2065 toc89
T
C
= -40°C
P
OUT
= 3dBm
T
C
= +85°C
T
C
= +25°C
V
CC
= 3.3V
2nd HARMONIC vs. RF FREQUENCY
RF FREQUENCY (MHz)
2nd HARMONIC (dBc)
250 450 650 850 1050
80
30
40
70
60
50
50
MAX2065 toc90
P
OUT
= 3dBm
V
CC
= 3.3V
V
CC
= 3.6V
V
CC
= 3.0V
2nd HARMONIC
vs. DIGITAL ATTENUATOR STATE
DIGITAL ATTENUATOR STATE (dB)
2nd HARMONIC (dBc)
4 8 12 16 20 24 28 32
70
50
65
60
55
0
MAX2065 toc91
T
C
= -40°C
P
OUT
= 0dBm
T
C
= +85°C
T
C
= +25°C
V
CC
= 3.3V
RF = 200MHz
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.)
OUTPUT P1dB vs. RF FREQUENCY
RF FREQUENCY (MHz)
OUTPUT P1dB (dBm)
250 450 650 850 1050
17
9
10
15
14
13
16
12
11
50
MAX2065 toc83
T
C
= +85°C
T
C
= +25°C
V
CC
= 3.3V
T
C
= -40°C