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參數(shù)資料
| 型號(hào)： | MC145446 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Single-Chip 300-Baud Modem with DTMF Transceiver |
| 中文描述： | 單芯片300波特調(diào)制解調(diào)器的雙音多頻收發(fā)器 |
| 文件頁數(shù)： | 2/14頁 |
| 文件大小： | 264K |
| 代理商： | MC145446 |
MC145446A
2
MOTOROLA
BLOCK DIAGRAM
MUX
CONTROL
SHIFT REGISTER
ANALOG GROUND
GENERATOR
+
+
_
SMOOTHING
FILTER
MUX
FSK
DEMODULATOR
FSK
MODULATOR
DTMF
GENERATOR
MODE CONTROL
LOGIC
STATUS
SHIFT REGISTER
POWER–ON
RESET
CLOCK
GENERATOR
NOISE
FILTER
LOW–BAND
BPF
HIGH–BAND
BPF
MUX/
MIXING
X1
X2
Vref
VCC
GND
RxBO
DTMF
IN
RxGC
TxD
TLA
DATA
I/O
RxD
SD/CD/DV
CDA
DSI
TxA1
TxA2
–
LOW–BAND
BPF
FREQUENCY
DETECTER
HIGH–BAND
BPF
CODE
CONVERTER
(DECODER)
TIMING
CIRCUIT
STATUS
REGISTER
SCK
RxA
E
R/W
4
AGC OUT
FLTC2
FLTC3
FSK/DTMF LOOPBACK PATH
NOISE
FILTER
65 k
30 k
FLTC1
AGC
CARRIER/CPT
DETECTOR
– 1
LEVEL
CONTROL
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC145447DW | Calling Line Identification(CLID) Receiver with Ring Detector |
| MC145447 | Calling Line Identification(CLID) Receiver with Ring Detector |
| MC145447P | Calling Line Identification(CLID) Receiver with Ring Detector |
| MC14544BCL | BCD-to-Seven Segment Latch/Decoder/Driver for Liquid Crystals |
| MC14544BCP | BCD-to-Seven Segment Latch/Decoder/Driver for Liquid Crystals |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC145446AFW | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| MC145447DW | 制造商:Motorola Inc 功能描述:CALLER NUMBER ID CIRCUIT, 16 Pin, Plastic, SOP |
| MC145447DWR2 | 制造商:Motorola Inc 功能描述:TELEPHONE MULTIFUNCTION CKT, 16 Pin Plastic SOP |
| MC145447P | 制造商:Motorola Inc 功能描述: |
| MC145475DW | 制造商:Motorola Inc 功能描述:DATACOM, ISDN CONTROLLER, PDSO28 |
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