參數(shù)資料
型號: HFA3860AIV96
廠商: INTERSIL CORP
元件分類: 無繩電話/電話
英文描述: Circular Connector; No. of Contacts:5; Series:MS27473; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:10; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:10-5 RoHS Compliant: No
中文描述: TELECOM, CELLULAR, BASEBAND CIRCUIT, PQFP48
封裝: 7 X 7 X 1 MM, PLASTIC, TQFP-48
文件頁數(shù): 22/39頁
文件大?。?/td> 251K
代理商: HFA3860AIV96
2-152
16 SYMBOLS
B
126 SYMBOL SYNC
SFD
JUST
MISSED
DET
ANT1
SYMB
TIMING
DETECT
ANT1
CHECK
ANT2
TX
POWER
RAMP
NO
SIG
FOUND
ANT2
16 SYMBOLS 16 SYMBOLS 16 SYMBOLS 16 SYMBOLS 16 SYMBOLS 16 SYMBOLS
A
B
A
7S
16 SYMBOLS
B
B
A
B
DETECT
ANT1
SFD DET
START DATA
SEED
DESCRAMBLER
7S
CHECK
ANT2
INTERNAL
SET UP TIME
VERIFY
ANT1
2
NOTES:
3. Worst Case Timing; antenna dwell starts before signal is full strength.
4. Time line shown assumes that antenna 2 gets insufficient signal.
FIGURE 12. DUAL ANTENNA ACQUISITION TIMELINE
2
16 SYMBOLS
78 SYMBOL SYNC
SFD
JUST
MISSED
DET
DETECT
TX
POWER
RAMP
16 SYMBOLS
16 SYMBOLS
16 SYMBOLS
7 SYM
16 SYMBOLS
SYMB
TIMING
VERIFY
SFD DET
START DATA
SEED
DESCRAMBLER
7 SYM
INTERNAL
SET UP TIME
FIGURE 13. SINGLE ANTENNA ACQUISITION TIMELINE
T0 + 1 SYMBOL
CORRELATOR
OUTPUT
REPEATS
CORRELATION
PEAK
T0 + 2 SYMBOLS
T0
CORRELATOR OUTPUT IS
THE RESULT OF CORRELATING
THE PN SEQUENCE WITH THE
RECEIVED SIGNAL
SAMPLES
AT 2X CHIP
RATE
EARLY
ON-TIME
LATE
CORRELATION TIME
FIGURE 14. CORRELATION PROCESS
HFA3860A
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