AD6122ACPRL AD [Analog Devices], AD6122ACPRL Datasheet - Page 10

• Manufacturer Part Number: AD6122ACPRL
• Description: CDMA 3 V Transmitter IF Subsystem with Integrated Voltage Regulator
• Manufacturer: AD [Analog Devices]

AD6122
Figure 18. IF Amplifier Gain vs. Frequency for
VGAIN = 2.5 V, 2.0 V, 1.5 V, 1.0 V
–20
–40
–60
–80
40
20
0
50
VGAIN = 2.0V
VGAIN = 1.0V
100
150
FREQUENCY – MHz
VGAIN = 0.5V
Figure 20. ACPR of Cascaded Modulator, 20 dB Pad and IF
Amplifier: Spectral Plot
200
–100
–110
–120
–130
–30
–40
–50
–60
–70
–80
–90
250
VGAIN = 2.5V
REF LEV
–30dBm
CENTER 130.38MHz
VGAIN = 1.5V
300
CL1
350
CO
600kHz/DIV
–10–
1
RBW
VBW
SWT
1
CO
1
30kHz
300kHz
2s
CH PWR
ACP UP
AVE LOW
1 (T1)
(T1)
Figure 19. Total Current Consumption vs. VGAIN
130.38000000MHz
330.66132265kHz
18.0
16.0
14.0
12.0
10.0
8.0
0.5
CU1
SPAN 6MHz
UNIT
–46.78dBm
–31.93dBm
–66.95dB
–68.95dB
–0.28 dB
dBm
A
1.0
VGAIN – V
1.5
2.0
2.5
REV. B