Typical operating characteristics (continued) – Rainbow Electronics MAX2062 User Manual
Page 10
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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
= 5.0V, attenuators are set for maximum gain, RF ports are
driven from 50I sources, AMPSET = 0, PD_1 = PD_2 = 0, P
IN
= -20dBm, f
RF
= 350MHz, and T
C
= +25NC, unless otherwise noted.)
2ND HARMONIC vs. DIGITAL
ATTENUATOR STATE
MAX2062 toc31
DIGITAL ATTENUATOR STATE (dB)
2ND HARMONIC (dBc)
24
20
16
12
8
4
50
55
60
65
45
0
28
P
OUT
= 0dBm
RF = 350MHz
T
C
= +25°C
T
C
= -40°C
T
C
= +85°C
2ND HARMONIC vs. ANALOG
ATTENUATOR STATE
MAX2062 toc32
2ND HARMONIC (dBc)
50
55
60
65
70
45
ANALOG ATTENUATOR STATE (DAC CODE)
168
210
126
84
42
0
T
C
= -40°C
T
C
= +85°C
T
C
= +25°C
P
OUT
= 0dBm
RF = 350MHz
3RD HARMONIC vs. RF FREQUENCY
MAX2062 toc33
3RD HARMONIC (dBc)
60
70
80
90
100
50
RF FREQUENCY (MHz)
850
1050
650
450
250
50
T
C
= -40°C
T
C
= +85°C
T
C
= +25°C
P
OUT
= 3dBm
3RD HARMONIC vs. RF FREQUENCY
MAX2062 toc34
3RD HARMONIC (dBc)
60
70
80
90
100
50
RF FREQUENCY (MHz)
850
1050
650
450
250
50
P
OUT
= 3dBm
V
CC
= 5.25V
V
CC
= 4.75V
V
CC
= 5.00V
3RD HARMONIC vs. DIGITAL
ATTENUATOR STATE
MAX2062 toc35
DIGITAL ATTENUATOR STATE (dB)
3RD HARMONIC (dBc)
24
20
16
12
8
4
75
80
85
70
0
28
P
OUT
= 0dBm
RF = 350MHz
T
C
= -40°C
T
C
= +25°C
T
C
= +85°C
3RD HARMONIC vs. ANALOG
ATTENUATOR STATE
MAX2062 toc36
3RD HARMONIC (dBc)
65
70
75
80
85
90
60
ANALOG ATTENUATOR STATE (DAC CODE)
168
210
126
84
42
0
P
OUT
= 0dBm
RF = 350MHz
T
C
= -40°C
T
C
= +25°C
T
C
= +85°C
OIP2 vs. RF FREQUENCY
MAX2062 toc37
RF FREQUENCY (MHz)
OIP2 (dBm)
850
650
450
250
40
50
60
70
30
50
1050
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C
P
OUT
= 0dBm/TONE
OIP2 vs. RF FREQUENCY
MAX2062 toc38
RF FREQUENCY (MHz)
OIP2 (dBm)
850
650
450
250
40
50
60
70
30
50
1050
V
CC
= 5.25V
V
CC
= 5.00V
V
CC
= 4.75V
P
OUT
= 0dBm/TONE
OIP2 vs. DIGITAL ATTENUATOR STATE
MAX2062 toc39
DIGITAL ATTENUATOR STATE (dB)
OIP2 (dBm)
24
20
16
12
8
4
45
50
55
60
65
40
0
28
T
C
= -40°C
T
C
= +85°C
P
OUT
= -3dBm/TONE
RF = 350MHz
T
C
= +25°C