Datasheet

Data Sheet AD9278
Rev. A | Page 17 of 44
EQUIVALENT CIRCUITS
LI-x,
LG-x
AVDD2
15kΩ
VCM
09424-022
Figure 22. Equivalent LNA Input Circuit (VCM = Common-Mode Voltage)
LO-x,
LOSW-x
10Ω
AVDD2
AVDD2
09424-023
Figure 23. Equivalent LNA Output Circuit
350Ω
10kΩ
10kΩ
CLK–
350Ω
1.25V
CLK+
09424-024
AVDD1
AVDD1
Figure 24. Equivalent Clock Input Circuit
350Ω
10kΩ
10kΩ
4LO–
350Ω
1.25V
4LO+
09424-025
AVDD2
AVDD2
Figure 25. Equivalent 4LO Input Circuit
09424-026
SDIO
350Ω
30kΩ
AVDD1
Figure 26. Equivalent SDIO Input Circuit
DRVDD
GND
DRVDD
DOUTx–
DOUTx+
V
V
V
V
09424-027
DRVDD
Figure 27. Equivalent Digital Output Circuit
09424-028
SCLK,
PDWN,
OR STBY
30kΩ
350Ω
AVDD1
Figure 28. Equivalent SCLK, PDWN, or STBY Input Circuit
09424-029
RESET
350Ω
AVDD2
Figure 29. Equivalent RESET Input Circuit