Typical operating characteristics (continued) – Rainbow Electronics MAX2062 User Manual
Page 14
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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.)
2ND HARMONIC
vs. ANALOG ATTENUATOR STATE
MAX2062 toc67
ANALOG ATTENUATOR STATE (DAC CODE)
2ND HARMONIC (dBc)
168
126
84
42
50
60
70
40
0
210
P
OUT
= 0dBm
RF = 350MHz
V
CC
= 3.3V
T
C
= -40°C
T
C
= +25°C
T
C
= +85°C
3RD HARMONIC vs. RF FREQUENCY
MAX2062 toc68
RF FREQUENCY (MHz)
3RD HARMONIC (dBc)
850
650
450
250
50
60
70
80
40
50
1050
P
OUT
= 3dBm
V
CC
= 3.3V
T
C
= -40°C
T
C
= +25°C
T
C
= +85°C
3RD HARMONIC vs. RF FREQUENCY
MAX2062 toc69
RF FREQUENCY (MHz)
3RD HARMONIC (dBc)
850
650
450
250
50
60
70
80
40
50
1050
P
OUT
= 3dBm
V
CC
= 3.30V
V
CC
= 3.135V
V
CC
= 3.465V
3RD HARMONIC
vs. DIGITAL ATTENUATOR STATE
MAX2062 toc70
DIGITAL ATTENUATOR STATE (dB)
3RD HARMONIC (dBc)
24
20
16
12
8
4
55
60
65
70
75
50
0
28
P
OUT
= 0dBm
V
CC
= 3.3V
RF = 350MHz
T
C
= -40°C
T
C
= +25°C
T
C
= +85°C
3RD HARMONIC
vs. ANALOG ATTENUATOR STATE
MAX2062 toc71
ANALOG ATTENUATOR STATE (DAC CODE)
3RD HARMONIC (dBc)
168
126
84
42
55
60
65
70
75
50
0
210
P
OUT
= 0dBm
V
CC
= 3.3V
RF = 350MHz
T
C
= -40°C
T
C
= +85°C
T
C
= +25°C
OIP2 vs. RF FREQUENCY
MAX2062 toc72
RF FREQUENCY (MHz)
OIP2 (dBm)
850
650
450
250
30
40
50
60
70
20
50
1050
P
OUT
= 0dBm/TONE
V
CC
= 3.3V
T
C
= +85°C
T
C
= -40°C
T
C
= +25°C
OIP2 vs. RF FREQUENCY
MAX2062 toc73
RF FREQUENCY (MHz)
OIP2 (dBm)
850
650
450
250
30
40
50
60
70
20
50
1050
P
OUT
= 0dBm/TONE
V
CC
= 3.465V
V
CC
= 3.30V
V
CC
= 3.135V
OIP2 vs. DIGITAL ATTENUATOR STATE
MAX2062 toc74
DIGITAL ATTENUATOR STATE (dB)
OIP2 (dBm)
24
20
16
12
8
4
40
50
60
70
30
0
28
RF = 350MHz
P
OUT
= -3dBm/TONE
V
CC
= 3.3V
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C
OIP2 vs. ANALOG ATTENUATOR STATE
MAX2062 toc75
ANALOG ATTENUATOR STATE (DAC CODE)
OIP2 (dBm)
168
126
84
42
40
50
60
70
30
0
210
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C
P
OUT
= -3dBm/TONE
V
CC
= 3.3V
RF = 350MHz