TRF3702_15_15 Datasheet, PDF (10/39 Pages) Texas Instruments – 1.5-GHz to 2.5-GHz QUADRATURE MODULATOR

TRF3702
SLWS149A – SEPTEMBER 2004 – REVISED AUGUST 2006
TYPICAL CHARACTERISTICS (continued)
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CARRIER SUPPRESSION
vs
VCM
90
80
Optimization
Point
70
–40°C
60
25°C
50
40
30
85°C
20
10
P_OUT = 0 dBm
f_LO = 1960 MHz
Optimized at 3.7 V
0
3.0
3.5
4.0
VCM − V
Figure 10.
CARRIER SUPPRESSION
vs
LOCAL OSCILLATOR INPUT POWER
80
Optimization
70
Point
25°C
60
4.5
G028
CARRIER SUPPRESSION
vs
SUPPLY VOLTAGE
80
25°C
70
Optimization
Point
60
50
40
30
–40°C
85°C
20
10 ^{POUT = 0 dBm}
f_LO = 1960 MHz
Optimized at 5 V
0
4.4 4.6 4.8 5.0 5.2 5.4
V_CC − Supply Voltage − V
Figure 11.
SIDEBAND SUPPRESSION
vs
FREQUENCY
80
25°C
70
85°C
60
5.6
G034
50
40
30
–40°C
20
85°C
10 ^{POUT = 0 dBm}
f_LO = 1960 MHz
Optimized at 0 dBm
0
−12 −9 −6 −3 0 3 6 9
P_LO − Local Oscillator Input Power − dBm
Figure 12.
12
G039
50
40
Optimization ^{–40°C}
Point
30
20
10 P_OUT = 0 dBm
Optimized at 1960 MHz
0
1880
1900
1920 1940 1960 1980
f_LO − Frequency − MHz
2000
2020
G026
Figure 13.
10
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