Texas Instruments TRF3722 EVM, Manual

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Frequency (MHz)
G
(d
B
)
0 500 1000 1500 2000 2500 3000 3500 4000 4500
-10
-8
-6
-4
-2
0
2
4
6
D007
T
A
= -40 q C
T
A
= 25
q
C
T
A
= 85
q
C
Frequency (MHz)
G
(d
B
)
0 500 1000 1500 2000 2500 3000 3500 4000 4500
-10
-8
-6
-4
-2
0
2
4
6
D008
V
CC
= 3.15V, 4.75V
V
CC
= 3.30V, 5.00V
V
CC
= 3.45V, 5.25V
Frequency (MHz)
G
(d
B
)
0 500 1000 1500 2000 2500 3000 3500 4000 4500
-10
-8
-6
-4
-2
0
2
4
6
D005
T
A
= -40 q C
T
A
= 25 q C
T
A
= 85
q
C
Frequency (MHz)
G
(d
B
)
0 500 1000 1500 2000 2500 3000 3500 4000 4500
-10
-8
-6
-4
-2
0
2
4
6
D006
V
CC
= 3.15V, 4.75V
V
CC
= 3.30V, 5.00V
V
CC
= 3.45V, 5.25V
Frequency (MHz)
G
(d
B
)
0 500 1000 1500 2000 2500 3000 3500 4000 4500
-10
-8
-6
-4
-2
0
2
4
6
D003
T
A
= -40 q C
T
A
= 25 q C
T
A
= 85
q
C
Frequency (MHz)
G
(d
B
)
0 500 1000 1500 2000 2500 3000 3500 4000 4500
-10
-8
-6
-4
-2
0
2
4
6
D004
V
CC
= 3.15V, 4.75V
V
CC
= 3.30V, 5.00V
V
CC
= 3.45V, 5.25V
11
TRF3722
www.ti.com SLWS245B – MAY 2014 – REVISED FEBRUARY 2017
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6.8 Typical Characteristics - Gain
Unless specified all plots were created using TRF3722EVM, VCC = 3.3 V, VCC_TK = 5 V, T
A
= 25°C, I/Q frequency (f
BB
)
4.5 MHz and 5.5 MHz, V
CM
= 0.25 V, and 4.7 pF series capacitor at RFOUT. Optimized bias settings as per Table 16 .
Figure 8. Voltage Gain vs Temperature, Typical Operating
Mode
Figure 9. Voltage Gain vs Supply, Typical Operating Mode
Figure 10. Voltage Gain vs Temperature, High Gain Mode Figure 11. Voltage Gain vs Supply, High Gain Mode
Figure 12. Voltage Gain vs Temperature, Low Power Mode Figure 13. Voltage Gain vs Supply, Low Power Mode