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參數(shù)資料
| 型號： | MT3371BS1 |
| 廠商： | ZARLINK SEMICONDUCTOR INC |
| 元件分類： | 信令電路 |
| 英文描述： | Wide Dynamic Range DTMF Receiver |
| 中文描述： | TELECOM, DTMF SIGNALING CIRCUIT, PDSO18 |
| 封裝： | 0.300 INCH, LEAD FREE, MS-013AB, SOIC-18 |
| 文件頁數(shù)： | 11/15頁 |
| 文件大小： | 485K |
| 代理商： | MT3371BS1 |
MT3170B/71B, MT3270B/71B, MT3370B/71B
Data Sheet
11
Zarlink Semiconductor Inc.
Figure 4 - Timing Diagram
Figure 5 - ACK to SD Timing
INPUT
ESt
(MT3x70B)
DStD
(MT3x71B)
ACK
SD
DTMF
Tone #n
t
DP
t
REC
t
DO
DTMF
Tone #n + 1
DTMF
Tone
#n + 1
Input
Signal
t
DA
t
REC
t
ID
LSB
MSB
b
0
b
1
b
2
b
3
b
0
b
1
b
2
b
3
t
SA
t
SD
Input
Signal
Envelope
LSB
MSB
t
DO
t
ID
t
REC
t
REC
t
DA
t
DP
t
SA
t
SD
- maximum allowable dropout during valid DTMF signals. (MT3x7xB).
- minimum time between valid DTMF signals (MT3x71B).
- maximum DTMF signal duration not detected as valid (MT3x7xB).
- minimum DTMF signal duration required for valid recognition (MT3x71B).
- time to detect the absence of valid DTMF signals (MT3x70B).
- time to detect the presence of valid DTMF signals (MT3x70B).
- supervisory tone integrator attack time (MT3x7xB).
- supervisory tone integrator decay time (MT3x7xB).
ESt/DStD
ACK
SD
V
IH
V
IL
V
IH
V
IL
1/
f
ACK
t
PAD
t
DH
b
0
b
1
b
2
b
3
MSB
DTMF Energy
Detect
LSB
DTMF Energy
Detect
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
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