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參數(shù)資料
| 型號： | MT9094 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Digital Telephone (DPhone-II)(數(shù)字電話) |
| 中文描述： | 數(shù)字電話（DPhone -Ⅱ）（數(shù)字電話） |
| 文件頁數(shù)： | 20/34頁 |
| 文件大?。?/td> | 234K |
| 代理商： | MT9094 |
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MT9094
7-64
Applications
To maintain a fully differential topology in the
transmit path the suggested connection scheme for
the transmit microphones is shown in Figure 7.
However, it is possible to use a single-ended
arrangement as shown in Figure 8 for the transmit
interface. In this case the dynamic range of the
MT9094 is reduced by half. In both figures the output
drivers are connected in a fully differential manner.
The MT9094 is a member of the Mitel family of digital
terminal equipment components. There are two
transmisssion devices which connect directly with
the MT9094 to complete an application; the MT8930
(SNIC) and the MT8971/72 (DSIC/DNIC). An ISDN
4-wire "TE" function is implemented with the
MT8930/MT9094 combination. A 2-wire digital phone
for PABX, key-systems and other proprietary
applications is implemented with the MT8971/72/
MT9094 combination.
Figures 9 and 10 show the 4-wire and 2-wire
applications, respectively.
7
Figure 7 - Application Circuit - fully differential audio input
ST-BUS
Port
to
Transmission
Device
Serial
Microport
INTEL
MCS-51
DSTi
DSTo
C4i
F0i
SCLK
DATA2
DATA1
CS
WD
6
5
4
3
2
1
44
43 42
41 40
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22 23
24 25
26 27
28
29
30
31
32
33
34
35
36
37
38
39
LCD
MT9094
+5V
0.1
μ
F
0.1
μ
F
VBias
2R
T
Av = 1+
R
R
+
-
-
+
T
100K
VBias
100K
0.1
μ
F
+5V
330
511
+
10
μ
F
+
Electret
Microphone
511
+
-
R
2R
T
Av = 1+
R
+
-
T
100K
VBias
100K
0.1
μ
F
+5V
330
511
+
10
μ
F
+
Electret
Microphone
511
0.1
μ
F
+
40
nom.
32
min.
150
75
+5V
75
.1
μ
F 1000pF
1000pF
1000pF caps
are optional
LCD
Note: Single-ended configurations reduce
dynamic range by a factor of two.
0.1
μ
F
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| MT9122AE | CMOS Dual Voice Echo Canceller with Tone Detection |
| MT9122AP | CMOS Dual Voice Echo Canceller with Tone Detection |
| MT9123AE | CMOS Dual Voice Echo Canceller |
| MT9123 | Dual Voice Echo Canceller(雙話音回聲消除器) |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MT9094AP | 制造商:Microsemi Corporation 功能描述: 制造商:Mitel Networks Corporation 功能描述: |
| MT9094AP1 | 制造商:Microsemi Corporation 功能描述:DGTL TEL 44PLCC - Rail/Tube |
| MT9094APR1 | 制造商:Microsemi Corporation 功能描述:DGTL TEL 44PLCC - Tape and Reel 制造商:Zarlink Semiconductor Inc 功能描述:DGTL TEL 44PLCC - Tape and Reel |
| MT9122 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS Dual Voice Echo Canceller with Tone Detection |
| MT9122AE | 制造商:Microsemi Corporation 功能描述:ECHO CANCELLER CHIP 2CH G.164/G.165/G.711 W/ TONE DETECTION - Rail/Tube |
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