Typical operating characteristics (continued) – Rainbow Electronics MAX2062 User Manual
Page 13
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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.)
OUTPUT P
1dB
vs. RF FREQUENCY
MAX2062 toc58
RF FREQUENCY (MHz)
OUTPUT
P
1dB
(dBm)
850
650
450
250
8
10
12
14
16
6
50
1050
T
C
= -40°C
V
CC
= 3.3V
T
C
= +85°C
T
C
= +25°C
OUTPUT P
1dB
vs. RF FREQUENCY
MAX2062 toc59
RF FREQUENCY (MHz)
OUTPUT
P
1dB
(dBm)
850
650
450
250
8
10
12
14
16
6
50
1050
V
CC
= 3.30V
V
CC
= 3.465V
V
CC
= 3.135V
OUTPUT IP3 vs. RF FREQUENCY
MAX2062 toc60
RF FREQUENCY (MHz)
OUTPUT IP3 (dBm)
850
650
450
250
15
20
25
30
35
40
10
50
1050
P
OUT
= 0dBm/TONE
V
CC
= 3.3V
T
C
= +25°C
T
C
= -40°C
T
C
= +85°C
OUTPUT IP3 vs. RF FREQUENCY
MAX2062 toc61
RF FREQUENCY (MHz)
OUTPUT IP3 (dBm)
850
650
450
250
15
20
25
30
35
40
10
50
1050
P
OUT
= 0dBm/TONE
V
CC
= 3.465V
V
CC
= 3.30V
V
CC
= 3.135V
OUTPUT IP3
vs. DIGITAL ATTENUATOR STATE
MAX2062 toc62
DIGITAL ATTENUATOR STATE (dB)
OUTPUT IP3 (dBm)
24
20
16
12
8
4
26
28
30
32
34
24
0
28
P
OUT
= -3dBm/TONE
V
CC
= 3.3V
RF = 350MHz
T
C
= -40°C LSB, USB
T
C
= +25°C LSB, USB
T
C
= +85°C LSB, USB
OUTPUT IP3
vs. ANALOG ATTENUATOR STATE
MAX2062 toc63
ANALOG ATTENUATOR STATE (DAC CODE)
OUTPUT IP3 (dBm)
168
126
84
42
25
30
35
20
0
210
P
OUT
= -3dBm/TONE
RF = 350MHz
V
CC
= 3.3V
T
C
= +25°C LSB, USB
T
C
= +85°C LSB, USB
T
C
= -40°C LSB, USB
2ND HARMONIC vs. RF FREQUENCY
MAX2062 toc64
RF FREQUENCY (MHz)
2ND HARMONIC (dBc)
850
650
450
250
35
45
55
65
25
50
1050
P
OUT
= 3dBm
V
CC
= 3.3V
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C
2ND HARMONIC vs. RF FREQUENCY
MAX2062 toc65
RF FREQUENCY (MHz)
2ND HARMONIC (dBc)
850
650
450
250
35
45
55
65
25
50
1050
P
OUT
= 3dBm
V
CC
= 3.465V
V
CC
= 3.135V
V
CC
= 3.30V
2ND HARMONIC
vs. DIGITAL ATTENUATOR STATE
MAX2062 toc66
DIGITAL ATTENUATOR STATE (dB)
2ND HARMONIC (dBc)
24
20
16
12
8
4
50
60
70
40
0
28
P
OUT
= 0dBm
RF = 350MHz
V
CC
= 3.3V
T
C
= -40°C
T
C
= +25°C
T
C
= +85°C