ISL5239 Datasheet, PDF (2/31 Pages) Intersil Corporation – Pre-Distortion Linearizer

ISL5239
Block Diagram
CLK
TRIGIN
IIN<17:0>
QIN<17:0>
CLKOUT
ISTRB
TRIGOUT
A<5:0>
P<15:0>
CS
WR
RD
BUSY
RESET
INPUT
FORMATTER
AND
INTERPOLATOR
X1, X2, X4, X8
uP INTERFACE
PRE-DISTORTER
WITH
TWO 1K x 60
LUTs
INPUT
MEMORY
(2k x 32)
IF CONVERTER
REAL 1X
REAL 2X
COMPLEX
CORRECTION
FILTER
REAL 1X
REAL 2X
COMPLEX
GAIN /
PHASE
OFFSET
ADJUST
OUTPUT
DATA
FORMATTER
8-18 BIT-WIDTH
SERCLK
SERSYNC
SEROUT
SERIN
IOUT<17:0>
QOUT<17:0>
FEEDBACK
MEMORY
(1k x 20)
FBCLK
FB<19:0>
2