Manual

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.)
MAX2063
Dual 50MHz to 1000MHz High-Linearity,
Serial/Parallel-Controlled Digital VGA
11
OUTPUT P
1dB
vs. RF FREQUENCY
MAX2063 toc38
RF FREQUENCY (MHz)
OUTPUT P
1dB
(dBm)
850650450250
8
10
12
14
16
6
50 1050
T
C
= +85°C
T
C
= -40°C
T
C
= +25°C
V
CC
= 3.3V
OUTPUT P
1dB
vs. RF FREQUENCY
MAX2063 toc39
RF FREQUENCY (MHz)
OUTPUT P
1dB
(dBm)
850650450250
8
10
12
14
16
6
50 1050
V
CC
= 3.135V
V
CC
= 3.3V
V
CC
= 3.465V
OUTPUT IP3 vs. RF FREQUENCY
MAX2063 toc40
RF FREQUENCY (MHz)
OUTPUT IP3 (dBm)
850650450250
20
30
40
50
10
50 1050
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C
P
OUT
= 0dBm/TONE
V
CC
= 3.3V
OUTPUT IP3 vs. RF FREQUENCY
MAX2063 toc41
RF FREQUENCY (MHz)
OUTPUT IP3 (dBm)
850650450250
20
30
40
50
10
50 1050
V
CC
= 3.135V
V
CC
= 3.3V
V
CC
= 3.465V
P
OUT
= 0dBm/TONE
OUTPUT IP3 vs. ATTENUATOR STATE
MAX2063 toc42
ATTENUATOR STATE (dB)
OUTPUT IP3 (dBm)
2420161284
24
26
28
30
32
34
22
0 28
T
C
= -40°C LSB, USB
T
C
= +25°C LSB, USB
T
C
= +85°C LSB, USB
V
CC
= 3.3V
P
OUT
= 0dBm/TONE
RF = 350MHz
RF FREQUENCY (MHz)
2ND HARMONIC (dBc)
850650450250
30
40
50
60
70
80
20
50 1050
2ND HARMONIC vs. RF FREQUENCY
MAX9888 toc43
T
C
= -40°C
T
C
= +25°C
T
C
= +85°C
V
CC
= 3.3V
P
OUT
= 3dBm
RF FREQUENCY (MHz)
2ND HARMONIC (dBc)
850650450250
30
40
50
60
70
80
20
50 1050
2ND HARMONIC vs. RF FREQUENCY
MAX9888 toc44
V
CC
= 3.465V
V
CC
= 3.3V
V
CC
= 3.135V
P
OUT
= 3dBm
2ND HARMONIC vs. ATTENUATOR STATE
MAX2063 toc45
ATTENUATOR STATE (dB)
2ND HARMONIC (dBc)
2420161284
40
50
60
70
80
30
0 28
V
CC
= 3.3V
P
OUT
= 3dBm
RF = 350MHz
T
C
= -40°C
T
C
= +85°C
T
C
= +25°C