Typical operating characteristics (continued) – Rainbow Electronics MAX2062 User Manual
Page 9
_______________________________________________________________________________________ 9
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.)
NOISE FIGURE vs. RF FREQUENCY
MAX2062 toc22
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
850
650
450
250
5
6
7
8
9
10
11
4
50
1050
V
CC
= 4.75V, 5.00V, 5.25V
OUTPUT P
1dB
vs. RF FREQUENCY
MAX2062 toc23
RF FREQUENCY (MHz)
OUTPUT
P
1d
B
(dBm)
850
650
450
250
13
15
17
19
21
11
50
1050
T
C
= +85°C
T
C
= -40°C
T
C
= +25°C
OUTPUT P
1dB
vs. RF FREQUENCY
MAX2062 toc24
RF FREQUENCY (MHz)
OUTPUT
P
1dB
(dBm)
850
650
450
250
13
15
17
19
21
11
50
1050
V
CC
= 5.25V
V
CC
= 4.75V
V
CC
= 5.00V
OUTPUT IP3 vs. RF FREQUENCY
MAX2062 toc25
RF FREQUENCY (MHz)
OUTPUT IP3 (dBm)
850
650
450
250
25
30
35
40
45
50
20
50
1050
P
OUT
= 0dBm/TONE
T
C
= +25°C
T
C
= -40°C
T
C
= +85°C
OUTPUT IP3 vs. RF FREQUENCY
MAX2062 toc26
RF FREQUENCY (MHz)
OUTPUT IP3 (dBm)
850
650
450
250
25
30
35
40
45
50
20
50
1050
P
OUT
= 0dBm/TONE
V
CC
= 5.25V
V
CC
= 4.75V
V
CC
= 5.00V
OUTPUT IP3 vs. DIGITAL
ATTENUATOR STATE
MAX2062 toc27
DIGITAL ATTENUATOR STATE (dB)
OUTPUT IP3 (dBm)
24
20
16
12
8
4
32
34
36
38
40
42
44
30
0
28
T
C
= +85°C LSB
T
C
= -40°C USB
T
C
= -40°C LSB
T
C
= +85°C USB
T
C
= +25°C LSB, USB
RF = 350MHz
P
OUT
= -3dBm/TONE
OUTPUT IP3 vs. ANALOG
ATTENUATOR STATE
MAX2062 toc28
ANALOG ATTENUATOR STATE (DAC CODE)
OUTPUT IP3 (dBm)
168
126
84
42
30
35
40
45
25
0
210
T
C
= +25°C LSB, USB
T
C
= +85°C LSB, USB
T
C
= -40°C LSB, USB
P
OUT
= -3dBm/TONE
RF = 350MHz
2ND HARMONIC vs. RF FREQUENCY
MAX2062 toc29
RF FREQUENCY (MHz)
2ND HARMONIC (dBc)
850
650
450
250
40
50
60
70
30
50
1050
P
OUT
= 3dBm
T
C
= +25°C
T
C
= -40°C
T
C
= +85°C
2ND HARMONIC vs. RF FREQUENCY
MAX2062 toc30
RF FREQUENCY (MHz)
2ND HARMONIC (dBc)
850
650
450
250
40
50
60
70
30
50
1050
P
OUT
= 3dBm
V
CC
= 5.25V
V
CC
= 4.75V
V
CC
= 5.00V