Typical operating characteristics (continued) – Rainbow Electronics MAX2063 User Manual
Page 8
MAX2063
Dual 50MHz to 1000MHz High-Linearity,
Serial/Parallel-Controlled Digital VGA
8
Typical Operating Characteristics (continued)
(Typical Application Circuit, V
CC
= V
CC_AMP_1
= V
CC_AMP_2
= V
CC_RG
= 5V, attenuators are set for maximimum gain, RF ports are
driven from 50ω sources, AMPSET = 0, PD_1 = PD_2 = 0, P
IN
= -20dBm, f
RF
= 350MHz, T
C
= +25°C, unless otherwise noted.)
RF FREQUENCY (MHz)
OUTPUT IP3 (dBm)
850
650
450
250
25
30
35
40
45
50
20
50
1050
OUTPUT IP3 vs. RF FREQUENCY
MAX2063 toc17
T
C
= +85°C
T
C
= -40°C
P
OUT
= 0dBm/TONE
T
C
= +25°C
RF FREQUENCY (MHz)
OUTPUT IP3 (dBm)
850
650
450
250
25
30
35
40
45
50
20
50
1050
OUTPUT IP3 vs. RF FREQUENCY
MAX2063 toc18
V
CC
= 5.00V
V
CC
= 5.25V
V
CC
= 4.75V
P
OUT
= 0dBm/TONE
OUTPUT IP3 vs. ATTENUATOR STATE
MAX2063 toc19
ATTENUATOR STATE (dB)
OUTPUT IP3 (dBm)
24
20
16
12
8
4
35
40
45
30
0
28
T
C
= +85
°C, LSB, USB
T
C
= -40
°C, LSB, USB
P
OUT
= 0dBm/TONE
RF = 350MHz
T
C
= +25
°C, LSB, USB
2ND HARMONIC vs. RF FREQUENCY
MAX2063 toc20
RF FREQUENCY (MHz)
2ND HARMONIC (dBc)
850
650
450
250
40
50
60
70
30
50
1050
P
OUT
= 3dBm
T
C
= -40°C
T
C
= +85°C
T
C
= +25°C
2ND HARMONIC vs. RF FREQUENCY
MAX2063 toc21
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
= 5.00V
V
CC
= 4.75V
2ND HARMONIC vs. ATTENUATOR STATE
MAX2063 toc22
ATTENUATOR STATE (dB)
2ND HARMONIC (dBc)
24
20
16
12
8
4
45
50
55
60
65
40
0
28
T
C
= +25°C
T
C
= +85°C
T
C
= -40°C
P
OUT
= 3dBm
RF = 350MHz
3RD HARMONIC vs. RF FREQUENCY
MAX2063 toc23
RF FREQUENCY (MHz)
3RD HARMONIC (dBc)
850
650
450
250
60
70
80
90
100
50
50
1050
T
C
= +85°C
T
C
= -40°C
T
C
= +25°C
P
OUT
= 3dBm
3RD HARMONIC vs. RF FREQUENCY
MAX2063 toc24
RF FREQUENCY (MHz)
3RD HARMONIC (dBc)
850
650
450
250
60
70
80
90
100
50
50
1050
V
CC
= 4.75V
V
CC
= 5.25V
V
CC
= 5.00V
P
OUT
= 3dBm
3RD HARMONIC vs. ATTENUATOR STATE
MAX2063 toc25
ATTENUATOR STATE (dB)
3RD HARMONIC (dBc)
24
20
16
12
8
4
70
75
80
65
0
28
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C
P
OUT
= 3dBm
RF = 350MHz