Typical operating characteristics (continued) – Rainbow Electronics MAX2063 User Manual
Page 12
MAX2063
Dual 50MHz to 1000MHz High-Linearity,
Serial/Parallel-Controlled Digital VGA
12
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 maximimum gain, RF ports are
driven from 50ω sources, AMPSET = 1, PD_1 = PD_2 = 0, P
IN
= -20dBm, f
RF
= 350MHz, T
C
= +25°C, unless otherwise noted.)
3RD HARMONIC vs. RF FREQUENCY
MAX2063 toc47
RF FREQUENCY (MHz)
3RD HARMONIC (dBc)
850
650
450
250
50
60
70
80
40
50
1050
V
CC
= 3.3V
V
CC
= 3.465V
V
CC
= 3.135V
P
OUT
= 3dBm
3RD HARMONIC vs. ATTENUATOR STATE
MAX2063 toc48
ATTENUATOR STATE (dB)
3RD HARMONIC (dBc)
24
20
16
12
8
4
55
60
65
70
50
0
28
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C
V
CC
= 3.3V
P
OUT
= 3dBm
RF = 350MHz
OUTPUT IP2 vs. RF FREQUENCY
MAX2063 toc49
RF FREQUENCY (MHz)
OUTPUT IP2 (dBm)
850
650
450
250
30
40
50
60
70
20
50
1050
T
C
= -40°C
T
C
= +25°C
T
C
= +85°C
V
CC
= 3.3V
P
OUT
= 0dBm/TONE
OUTPUT IP2 vs. ATTENUATOR STATE
MAX2063 toc51
ATTENUATOR STATE (dB)
OUTPUT IP2 (dBm)
24
20
16
12
8
4
40
50
60
70
30
0
28
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C
RF = 350MH
Z
V
CC
= 3.3V
P
OUT
= 0dBm/TONE
OUTPUT IP2 vs. RF FREQUENCY
MAX2063 toc50
RF FREQUENCY (MHz)
OUTPUT IP2 (dBm)
850
650
450
250
30
40
50
60
70
20
50
1050
V
CC
= 3.135V
V
CC
= 3.3V
V
CC
= 3.465V
P
OUT
= 0dBm/TONE
3RD HARMONIC vs. RF FREQUENCY
MAX2063 toc46
RF FREQUENCY (MHz)
3RD HARMONIC (dBc)
850
650
450
250
50
60
70
80
40
50
1050
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C
V
CC
= 3.3V
P
OUT
= 3dBm