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參數(shù)資料
| 型號： | PCD5002AH |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 尋呼電路 |
| 英文描述： | Enhanced Pager Decoder for APOC1/POCSAG |
| 中文描述： | TELECOM, PAGING DECODER, PQFP32 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, SOT-358-1, LQFP-32 |
| 文件頁數(shù)： | 17/48頁 |
| 文件大?。?/td> | 252K |
| 代理商： | PCD5002AH |
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1999 Jan 08
17
Philips Semiconductors
Product specification
Enhanced Pager Decoder for
APOC1/POCSAG
PCD5002A
8.22
Demodulator quick charge
Two modes of operation are available that determine the
period when the DQC output is set
The operating mode is selected by EEPROM
programming of SPF byte 03, bit D5:
Mode 0 (D5 = 0)
: DQC is active HIGH during the
receiver establishment time (t
RXE
) in all ACCESS and
APOC1 modes except data receive and data fail (cycle
receive and short fade recovery in APOC1). During
switch-on, DQC is active for 1 code-word duration.
Mode 1 (D5 = 1)
: DQC is active during sync word
detection in all ACCESS and APOC1 modes. During
switch-on and preamble receive modes, DQC is active
continuously.
The timing of DQC is as follows (see Fig.6):
Mode 0
: Set along with RXE output (time t
RXE
before the
first code-word is expected); cleared during the second
bit of the code-word following t
RXE
Mode 1
: Set during the second bit of the sync word;
cleared after the last bit of the sync word.
Note
: During switch-on, t
RXE
is not used: RXE and DQC
are switched on immediately.
Fig.6 DQC Timing.
handbook, full pagewidth
code-word
Data into RDI
RXE
Mode 0 DQC
Mode 1 DQC
tRXE
code-word
code-word
MGL566
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PDF描述 |
|---|---|
| PCD5002HBD-S | Telecommunication Decoder |
| PCD5002HBD-T | Telecommunication Decoder |
| PCD5003HB-T | Telecommunication Decoder |
| PCD5008HBD-T | Telecommunication Decoder |
| PCD5032B | Linear CODEC |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PCD5002H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Advanced POCSAG and APOC-1 Paging Decoder |
| PCD5002HBD-S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication Decoder |
| PCD5002HBD-T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication Decoder |
| PCD5002U/10 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Advanced POCSAG and APOC-1 Paging Decoder |
| PCD5003 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Advanced POCSAG Paging Decoder |
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