AD9689-2000EBZ datasheet(41/134 Pages) AD

41 / 134 page

Data Sheet

AD9689

Rev. A | Page 41 of 134

ADC B

CORE

Q (IMAG)

DINQ [n]

DOUTQ [n]

ADC A

CORE

I (REAL)

24-TAP FIR

FILTER

xI [n]

24-TAP FIR

FILTER

yI [n]

24-TAP FIR

FILTER

yQ [n]

24-TAP FIR

FILTER

xQ [n]

DINI [n]

DOUTI [n]

I′ (REAL)

PROGRAMMABLE FILTER (PFILT)

Q′ (IMAG)

SIGNAL

PROCESSING

BLOCKS

JESD204B

INTERFACE

Figure 106. Real, Two Cascaded, 24-Tap Filter Configuration

ADC B

CORE

Q (IMAG)

DINQ [n]

DOUTQ [n]

ADC A

CORE

I (REAL)

0 TO 47

DELAY TAPS

48-TAP FIR

FILTER

xyI [n]

48-TAP FIR

FILTER

xyQ [n]

DINI [n]

DOUTI [n]

I′ (REAL)

PROGRAMMABLE FILTER (PFILT)

Q′ (IMAG)

SIGNAL

PROCESSING

BLOCKS

JESD204B

INTERFACE

Figure 107. 48-Tap Half Complex Filter Configuration

ADC B

CORE

Q (IMAG)

DINQ [n]

DOUTQ [n]

ADC A

CORE

I (REAL)

24-TAP FIR

FILTER

xI [n]

24-TAP FIR

FILTER

yI [n]

24-TAP FIR

FILTER

yQ [n]

24-TAP FIR

FILTER

xQ [n]

DINI [n]

DOUTI [n]

I′ (REAL)

PROGRAMMABLE FILTER (PFILT)

Q′ (IMAG)

SIGNAL

PROCESSING

BLOCKS

JESD204B

INTERFACE

Figure 108. 24-Tap Full Complex Filter Configuration.

AD9689-2000EBZ Datasheet(PDF) 41 Page - Analog Devices

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