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参数资料
| 型号： | HFA3860A |
| 厂商： | Intersil Corporation |
| 英文描述： | Direct Sequence Spread Spectrum Baseband |
| 中文描述： | 直接序列扩频基带 |
| 文件页数： | 22/39页 |
| 文件大小： | 251K |
| 代理商： | HFA3860A |
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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
相关PDF资料 |
PDF描述 |
|---|---|
| HFA3860AIV | 3.3V 288-mc CPLD |
| HFA3861AIN96 | Circular Connector; No. of Contacts:21; Series:MS27473; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:22; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:22-21 RoHS Compliant: No |
| HFA3861AIN | 288 MACROCELL 3.3 VOLT ISP CPLD |
| HFA3863IN | Direct Sequence Spread Spectrum Baseband Processor |
| HFA3863IN96 | Direct Sequence Spread Spectrum Baseband Processor |
相关代理商/技术参数 |
参数描述 |
|---|---|
| HFA3860AEVAL1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述: |
| HFA3860AIV | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Direct Sequence Spread Spectrum Baseband |
| HFA3860AIV WAF | 制造商:Harris Corporation 功能描述: |
| HFA3860AIV96 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Direct Sequence Spread Spectrum Baseband |
| HFA3860B | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:nullDirect Sequence Spread Spectrum Baseband Processor |
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