
50MHz to 1000MHz High-Linearity,
Serial/Parallel-Controlled Digital VGA
Typical Operating Characteristics (continued)
( V CC = V DD = +3.3V, HC mode , digital attenuator set for maximum gain, P IN = -20dBm, f RF = 200MHz, and T C = +25°C, unless oth-
erwise noted.)
85
3rd HARMONIC vs. ATTENUATOR STATE
V CC = 3.3V
f RF = 200MHz
70
OIP2 vs. RF FREQUENCY
V CC = 3.3V
P OUT = 0dBm/TONE
P OUT = 3dBm
60
T C = +85 ° C
80
T C = +25 ° C
T C = +85 ° C
50
75
70
T C = -40 ° C
40
30
T C = -40 ° C
T C = +25 ° C
0
4
8
12
16
20
24
28
32
50
250
450
650
850
1050
70
ATTENUATOR STATE (dB)
OIP2 vs. RF FREQUENCY
70
RF FREQUENCY (MHz)
OIP2 vs. ATTENUATOR STATE
60
V CC = 3.3V
P OUT = 0dBm/TONE
60
T C = +85 ° C
V CC = 3.3V
f RF = 200MHz
P OUT = 0dBm/TONE
V CC = 3.6V
50
50
T C = -40 ° C
T C = +25 ° C
40
30
V CC = 3.0V
40
30
50
250
450
650
850
1050
0
4
8
12
16
20
24
28
32
RF FREQUENCY (MHz)
ATTENUATOR STATE (dB)
14
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