Analog-devices UG-001 Manual do Utilizador descarregar pdf (Página 11)

Evaluation Board User Guide UG-001

Rev. 0 | Page 11 of 24

7782-029

07782-030

Figure 19. SPI Controller, CROSSPOINT SWITCH(2D) Box

8. Examine the spectrum analyzer for the CW Doppler output

(see Figure 20 for an example).

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

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FREQUENCY (MHz)

AMPLITUDE (dBm)

5101520 5

FREQUENCY = 2.3MHz

CWD1±, DIFFERENTIAL OUTPUT

Figure 20. Typical Spectrum Analyzer Display of CWD Output

Figure 18. SPI Controller, MODES(8) Box

7. In the ADC x tab of the SPI Controller, where x is the channel

to which an analog input is applied, find the CROSSPOINT

SWITCH(2D) box. From the Crosspoint Switch Modes

drop-down box, select the cwd2p/n option (see Figure 19).

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Analog-devices UG-001 Manual do Utilizador Página 11