4
FIGURE 1. WIRELESS LAN PC CARD BLOCK DIAGRAM
6
7
6
6
6
6
6
1
1
HFA3861B BBP
AGC
CTL
RAKE
TX
ALC
AND
DEMOD
RF
DAC
RF
ADC
IF
DAC
I ADC
Q ADC
TX
DAC
TX
ADC
I DAC
Q DAC
MOD
I/O
AND
FILTER
IF LO
I/Q LO
PLL
HFA3783 (FILE #4633)
IF I/Q MOD/DEMOD
RF LO
PLL
HFA3683A
RF/IF CONVERTER
HFA3983
PA
REF_OUT
CONTROL
TEST I/O
HFA3841 MAC
(FILE #4661)
HOST PC
INTERF
A
C
E
MEMORY
ACCESS
ARBITER
HOST
INTERFACE
LOGIC
RADIO
DATA
INTERFACE
RADIO
CONTROL
PORTS
GP
SERIAL
PORTS
WEP
ENGINE
CPU
16-BIT
PIPELINED
CONTROL
PROCESSOR
EXTERNAL
MEMORY
(FILE #4635)
(FILE #4634)
(FILE #4816)
VCO
VCO
OSC
BUFFER
V
CTRL
V
CTRL
44MHz
Application Note 9864
