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TRF3705
www.ti.com
SLWS223A – AUGUST 2011 – REVISED OCTOBER 2011
TYPICAL CHARACTERISTICS: No Baseband
V CC = 3.3 V; T A = +25 ° C; LO = 0 dBm, single-ended drive (LOP); and input baseband ports terminated in 50 Ω , unless
otherwise noted.
space
?140
OUTPUT NOISE vs LO FREQUENCY (f LO ) AND
TEMPERATURE
OUTPUT NOISE vs LO FREQUENCY (f LO ) AND SUPPLY
VOLTAGE
?140
?142
?144
?146
?148
?150
?152
?154
?156
?158
?160
?162
?164
?166
?168
T A = ?40°C
T A = 25°C
T A = 85°C
?142
?144
?146
?148
?150
?152
?154
?156
?158
?160
?162
?164
?166
?168
V CC = 3.15 V
V CC = 3.30 V
V CC = 3.45 V
?170
0
500
1000
1500 2000 2500
3000
3500
4000
?170
0
500
1000
1500 2000 2500
3000
3500
4000
Frequency (MHz)
G031
Frequency (MHz)
G032
Figure 45.
OUTPUT NOISE vs LO FREQUENCY (f LO ) AND LO DRIVE
LEVEL
?140
Figure 46.
OUTPUT NOISE vs LO FREQUENCY (f LO ) AND GAIN
SELECT SETTING
?140
?142
?144
?146
?148
?150
?152
?154
?156
?158
?160
?162
?164
?166
?168
LO Power = ?5 dBm
LO Power = 0 dBm
LO Power = 5 dBm
?142
?144
?146
?148
?150
?152
?154
?156
?158
?160
?162
?164
?166
?168
Gain Control = Off
Gain Control = On
?170
0
500
1000
1500 2000 2500
3000
3500
4000
?170
0
500
1000
1500 2000 2500
3000
3500
4000
Frequency (MHz)
Figure 47.
G033
Frequency (MHz)
Figure 48.
G035
OUTPUT NOISE vs OUTPUT POWER
?144
LO Freq = 948.5 MHz
?146
?148
?150
?152
?154
?156
?158
LO Freq = 1848 MHz
LO Freq = 2167 MHz
?160
?25
?20
?15 ?10 ?5 0
5
10
RF Output Power (dBm)
Figure 49.
G034
Copyright ? 2011, Texas Instruments Incorporated
Product Folder Link(s): TRF3705
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