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ISL5239EVAL1
Application Note
July 2002
AN1024
ISL5239EVAL1 Evaluation Kit
The ISL5239EVAL1 is an evaluation kit for the ISL5239 Pre-
Distortion Linearizer (PDL). The kit consists of an evaluation
Circuit Card Assembly (CCA) complete with the ISL5239
device and additional circuitry to provide for control via a
computer USB port. Windows based demonstration software
is provided for full user programmability and control of all
ISL5239 operational modes. The evaluation board provides
digital outputs which are accessible through standard logic
analyzer headers and differential analog outputs via SMA
connectors. Documentation includes full evaluation board
schematics and PCB layout materials.
Matlab utility programs have been developed and are
available to aid in characterizing the Power Amplifier (PA)
and to facilitate programming the device Look-Up Table(s).
Features
? Evaluation CCA complete with ISL5239 Pre-Distortion
Linearizer and ISL5929 Dual 14-bit TxDAC
? Simple operation from a PC USB interface with Windows
Based GUI software or Matlab drivers
? Example Matlab routines for PA Linearization
? Designed for compatibility with the ISL5217, ISL5216, and
ISL5416 eval. boards.
Reference Documents
? ISL5239EVAL1 Software
? ISL5239EVAL1 Schematics
? ISL5239EVAL1 Layout
? ISL5239EVAL1 Bill of Material
The latest version for all reference materials and programs is
available via the Intersil internet website at www.intersil.com.
Block Diagram
J3
CLK
OUT
J8 EXTERNAL FEEDBACK
IIN<17:0>
QIN<17:0>
FB<19:0> FBCLK
U16
ISL5239
IOUT<17:0>
QOUT<17:0>
CS
I DRIVE<17:0>
Q DRIVE<17:0>
U9
REG
3.3V
CLKOUT
PRE-DISTORTION
LINEARIZER
TRIGIN
I STRB
BUSY
DCTEST
TO J7-15
U2
CPLD
U11
2.5V
CLK
REG
U12
REG
U13
REG
1.8V
5.0V
U1
FPGA
U6
CLK
125MHz
U5
CLK
BUFFER
J2
CLK
TO J3
J7 CONFIG.
U14
IN
INVERT
-5.0V
J6 EXTERNAL PROCESSOR
J9-JTAG/MISC
U15
REG
U3
U21
SERIAL
SERIAL
EPROM
EPROM
U20
EXT.
RAM
U19
USB CONTROLLER
U10
POR
U4
ISL5929
DUAL 14-BIT DAC
U17
U18
DRIVER
DRIVER
J13
Vin
+5V INPUT
U7
FET
U8
SWITCH
J12
USB
COMPUTER USB PORT
J14
IOUT A
J15
IOUT B
J16
QOUT A
J17
QOUT B
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright ? Intersil Americas Inc. 2002. All Rights Reserved
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相关PDF资料
ISL5239KIZ
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