Typical operating characteristics (continued) – Rainbow Electronics MAX2062 User Manual
Page 12
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MAX2062
Dual 50MHz to 1000MHz High-Linearity,
Serial/Parallel-Controlled Analog/Digital VGA
Typical Operating Characteristics (continued)
(Typical Application Circuit, V
CC
= V
CC_AMP_1
= V
CC_AMP_2
= V
CC_RG
= 3.3V, attenuators are set for maximum gain, RF ports are
driven from 50I sources, AMPSET = 1, PD_1 = PD_2 = 0, P
IN
= -20dBm, f
RF
= 350MHz, and T
C
= +25NC, unless otherwise noted.)
SUPPLY CURRENT vs. V
CC
MAX2062 toc49
V
CC
(V)
SUPPLY CURRENT (mA)
3.4
3.3
3.2
70
80
90
100
110
120
60
3.1
3.5
T
C
= -40°C
T
C
= +25°C
T
C
= +85°C
GAIN vs. RF FREQUENCY
MAX2062 toc50
RF FREQUENCY (MHz)
GAIN (dB)
850
650
250
450
15
16
17
18
20
19
21
22
14
50
1050
T
C
= -40°C
T
C
= +25°C
V
CC
= 3.3V
T
C
= +85°C
GAIN vs. RF FREQUENCY
MAX2062 toc51
RF FREQUENCY (MHz)
GAIN (dB)
850
650
250
450
15
16
17
18
20
19
21
22
14
50
1050
V
CC
= 3.465V
V
CC
= 3.135V
V
CC
= 3.30V
INPUT MATCH OVER DIGITAL ATTENUATOR
SETTING vs. RF FREQUENCY
MAX2062 toc52
RF FREQUENCY (MHz)
INPUT MATCH OVER DIGITAL ATTENUATOR SETTING (dB)
800
600
400
200
-40
-30
-20
-10
0
-50
0
1000
V
CC
= 3.3V
0dB
1dB
8dB, 16dB
31dB
2dB
4dB
OUTPUT MATCH OVER DIGITAL
ATTENUATOR SETTING vs. RF FREQUENCY
MAX2062 toc53
RF FREQUENCY (MHz)
OUTPUT MATCH OVER DIGITAL ATTENUATOR SETTING (dB)
800
600
400
200
-40
-30
-20
-10
0
-50
0
1000
V
CC
= 3.3V
2dB
16dB, 31dB
0dB, 1dB, 4dB, 8dB
INPUT MATCH vs. ANALOG
ATTENUATOR SETTING
MAX2062 toc54
ANALOG ATTENUATOR SETTING (DAC CODE)
INPUT MATCH (dB)
224
192
160
128
96
64
32
-25
-20
-15
-10
-5
0
-30
0
256
50MHz
200MHz
1000MHz
350MHz
V
CC
= 3.3V
OUTPUT MATCH vs. ANALOG
ATTENUATOR SETTING
MAX2062 toc55
ANALOG ATTENUATOR SETTING (DAC CODE)
OUTPUT MATCH (dB)
224
192
160
128
96
64
32
-40
-30
-20
-10
0
-50
0
256
1000MHz
50MHz, 200MHz, 350MHz
V
CC
= 3.3V
NOISE FIGURE vs. RF FREQUENCY
MAX2062 toc56
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
850
650
450
250
5
6
7
8
9
10
11
4
50
1050
T
C
= +85°C
T
C
= -40°C
T
C
= +25°C
V
CC
= 3.3V
NOISE FIGURE vs. RF FREQUENCY
MAX2062 toc57
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
850
650
450
250
5
6
7
8
9
10
11
4
50
1050
V
CC
= 3.135V
V
CC
= 3.465V
V
CC
= 3.30V