isl3873a Intersil Corporation, isl3873a Datasheet - Page 28

• Manufacturer Part Number: isl3873a
• Description: Wireless Lan Integrated Medium Access Controller With Baseband Processor
• Manufacturer: Intersil Corporation

RX_RF_AGC
RX_IF_AGC
RX_IF_DET
ANT SEL
ANTSEL
ANTSEL
RXQ
RXI
DIVERSITY
CONTROL
6-BIT
6-BIT
A/D
A/D
6-BIT
DAC
ANTENNA
CONTROL
SWITCH
V
INTEGRATOR
DDA
28
COHERENT
RESET
TIMING
6
6
(ANALOG)
FIGURE 19. DSSS BASEBAND PROCESSOR, RECEIVE SECTION
GENERATOR
CONTROL
TIMING
RX_PE
MCLK
AGC
NCO
MCLK
GND (ANALOG)
FILTER
MACHINE
RECEIVE
LOOP
STATE
CLEAR CHANNEL
SIGNAL QUALITY
ASSESSMENT/
EQUAL.
ISL3873A
ADDER
BIAS
DECISION FEEDBACK
EQUALIZER
V
DD
CORREL
CCK
(DIGITAL)
8
8
TRACKING
SYMBOL
EXTRACT.
TRAINING
PEAK
CMF
DECISION
SYMBOL
DESCRAMBLER
RX_DATA
GND (DIGITAL)
DEMOD
SYNC
DPSK
BIT
6-BIT
6-BIT
DAC
DAC
INTERNAL TRANSMIT
SIGNALS TO MAC
RXCLK TO MAC
RXD TO MAC
MD_RDY TO MAC
AND RECEIVE
CCA to
MAC
(INTERNAL)
TXQ
TXI