Dual 50MHz to 1000MHz High-Linearity,
Serial/Parallel-Controlled 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 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.)
16
14
OUTPUT P 1dB vs. RF FREQUENCY
T C = +25°C             V CC = 3.3V
T C = -40°C
16
14
OUTPUT P 1dB vs. RF FREQUENCY
V CC = 3.3V
50
40
OUTPUT IP3 vs. RF FREQUENCY
P OUT = 0dBm/TONE
V CC = 3.3V
T C = -40°C
12
12
V CC = 3.465V
30
10
T C = +85°C
10
T C = +25°C
8
8
V CC = 3.135V
20
T C = +85°C
6
50
250
450
650
850
1050
6
50
250
450
650
850
1050
10
50
250
450
650
850
1050
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
50
40
OUTPUT IP3 vs. RF FREQUENCY
P OUT = 0dBm/TONE
34
32
OUTPUT IP3 vs. ATTENUATOR STATE
V CC = 3.3V
T C = -40°C LSB, USB    P OUT = 0dBm/TONE
f RF = 350MHz
80
70
2ND HARMONIC vs. RF FREQUENCY
V CC = 3.3V
P OUT = 3dBm
V CC = 3.465V
30
60
30
20
V CC = 3.135V
V CC = 3.3V
28
26
T C = +25°C LSB, USB
T C = +85°C LSB, USB
50
40
T C = +25°C
T C = -40°C
T C = +85°C
24
30
10
50
250
450
650
850
1050
22
0
4
8
12
16
20
24
28
20
50
250
450
650
850
1050
RF FREQUENCY (MHz)
2ND HARMONIC vs. RF FREQUENCY
ATTENUATOR STATE (dB)
RF FREQUENCY (MHz)
2ND HARMONIC vs. ATTENUATOR STATE
80
70
60
50
40
30
V CC = 3.465V
V CC = 3.135V
P OUT = 3dBm
V CC = 3.3V
80
70
60
50
40
T C = +85°C
V CC = 3.3V
P OUT = 3dBm
f RF = 350MHz
T C = +25°C
20
50
250
450
650
850
1050
30
0
4
T C = -40°C
8 12
16
20
24
28
RF FREQUENCY (MHz)
ATTENUATOR STATE (dB)
11
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MAX2064ETM+ IC VGA PROG ANALOG 48TQFN-EP
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