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MSM7584C Просмотр технического описания (PDF) - Oki Electric Industry
Номер в каталоге
Компоненты Описание
производитель
MSM7584C
π/4 Shift QPSK MODEM/ADPCM CODEC
Oki Electric Industry
MSM7584C Datasheet PDF : 57 Pages
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¡ Semiconductor
MSM7584C
(1) CR14 – B6 = "0"
TXD
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13
TXCI
(384kHz)
TXW
D
n
-1 D
n
TXCO
(384kHz)
I, Q
Ramp rise-up
BSTO
2 symbols
Delay of 6.25 symbols
(2) CR14 – B6 = "1"
TXD
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13
TXCI
(3.84MHz)
TXW
TXCO
D
n
-1 D
n
(384kHz)
I, Q
Ramp
,
Delay of 6.25 symbols
Fall-down
2 symbols
Ramp rise-up
Ramp
2 symbols
Fall-down
BSTO
Delayof6.25symbols
Delay of 6.25 symbols
Figure 3 Transmit Timing Diagram
2 symbols
12/57
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