參數(shù)資料
型號(hào): AS5502
廠商: AUSTRIAMICROSYSTEMS AG
元件分類(lèi): 調(diào)制器/解調(diào)器
英文描述: Multimode Powerline-Modem
中文描述: 2.4 kbps DATA, MODEM, PDSO28
封裝: SOIC-28
文件頁(yè)數(shù): 9/26頁(yè)
文件大?。?/td> 315K
代理商: AS5502
CKTX: The transmit clock is dependent on the Baud-Rate setting BD1,2.
BD1
BD2
division factor fom CKSYS
0
0
1
0
0
1
1
1
Baud-Rate (CKTX)
600Hz
1200Hz
1200Hz
2400Hz
9216
dec
4608
dec
4608
dec
2304
dec
IF-SCCLK: The intermediate frequency SC-filter is settable to two different modes, one for
dF=600Hz and the other for dF=1200Hz (dF=Fspace-Fmark). These modes are defined by the
SC-clock frequency which is generated in the timing block.
BD1
BD2
IFcenter
IFbandw
division factor fom CKSYS
0
X
2700Hz
1200Hz
1
X
5400Hz
2400Hz
IF-SC-CLK
57.6kHz
115.2kHz
96
dec
48
dec
1.2 TRANSMITTER
M/S-UDC
BD1
CKTX
TXD
SUM
9
FSYNTH
DIV16
DAC
TxEn
CKSYS
FSYNTH
SUM
BD1
SCCLK
PLL
SC-CLK
AAF
BPFa
TXI
SC-CLK
BPFb BPFc
OutStage
TxOut1
TxOut2
TxFb
M1M
P1M
BIAS
FREG-GEN
TX-FSK / MIXER-Fref Generator
BPF & OutStage
Switched Cap Filter Clock Generator
Fmixer
AGND
FG
BD1,2
MRK-REG
(+20,
+40)
(+0..4,
+0..8)
0..511
SMF
TxEnI
AFCF
DIVn
AS5501 / AS5502 Multimode Powerline Modem
Data Sheet
Rev A, May 2000
Page 8/25
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