Datasheet

MAX2065
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.)
GAIN vs. RF FREQUENCY
RF FREQUENCY (MHz)
GAIN (dB)
250 450 650 850 1050
21
13
18
17
19
20
16
15
14
50
MAX2065 toc75
T
C
= +85°C
T
C
= -40°C
V
CC
= 3.3V
T
C
= +25°C
GAIN vs. RF FREQUENCY
RF FREQUENCY (MHz)
GAIN (dB)
250 450 650 850 1050
21
13
18
17
19
20
16
15
14
50
MAX2065 toc76
V
CC
= 3.6V
V
CC
= 3.3V
V
CC
= 3.0V
INPUT MATCH OVER DIGITAL ATTENUATOR
SETTING vs. RF FREQUENCY
RF FREQUENCY (MHz)
INPUT MATCH (dB)
250 450 650 850 1050
0
-30
-10
-15
-5
-20
-25
50
MAX2065 toc77
16dB
4dB
0dB, 8dB
1dB, 2dB
V
CC
= 3.3V
31dB
OUTPUT MATCH OVER DIGITAL ATTENUATOR
SETTING vs. RF FREQUENCY
RF FREQUENCY (MHz)
OUTPUT MATCH (dB)
200 400 600 800 1000
0
-30
-10
-15
-5
-20
-25
0
MAX2065 toc78
16dB, 31dB
0dB, 1dB, 2dB, 4dB
V
CC
= 3.3V
8dB
INPUT MATCH
vs. ANALOG ATTENUATOR SETTING
DAC CODE
INPUT MATCH (dB)
32 64 96 128 160 192 224 256
0
-30
-10
-15
-5
-20
-25
0
MAX2065 toc79
1000MHz
200MHz
450MHz
50MHz
V
CC
= 3.3V
OUTPUT MATCH
vs. ANALOG ATTENUATOR SETTING
DAC CODE
OUTPUT MATCH (dB)
32 64 96 128 160 192 224 256
0
-30
-10
-15
-5
-20
-25
0
MAX2065 toc80
1000MHz
200MHz
450MHz
50MHz
V
CC
= 3.3V
NOISE FIGURE vs. RF FREQUENCY
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
250 450 650 850 1050
11
4
9
8
7
10
6
5
50
MAX2065 toc81
V
CC
= 3.3V
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C
NOISE FIGURE vs. RF FREQUENCY
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
250 450 650 850
11
4
9
8
7
10
6
5
50
MAX2065 toc82
V
CC
= 3.3V
V
CC
= 3.0V
V
CC
= 3.6V
SUPPLY CURRENT vs. V
CC
V
CC
(V)
SUPPLY CURRENT (mA)
3.15 3.30 3.45 3.60
75
45
65
55
3.00
MAX2065 toc74
T
C
= +85°C
T
C
= -40°C
T
C
= +25°C
50MHz to 1000MHz High-Linearity, Serial/
Parallel-Controlled Analog/Digital VGA
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