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參數(shù)資料
| 型號： | MT8841AN |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | CMOS Calling Number Identification Circuit |
| 中文描述： | 主叫號碼識別的CMOS電路 |
| 文件頁數(shù)： | 5/10頁 |
| 文件大小： | 101K |
| 代理商： | MT8841AN |
MT8841
5-15
Applications
The circuit shown in Figure 6 illustrates the use of
the MT8841 device in a typical FSK receiver system.
Bellcore Special Report SR-TSV-002476 specifies
that the FSK receiver should be able to receive FSK
signal levels as follows:
Received Signal Level at 1200Hz:
-32dBm to -12dBm
Received Signal Level at 2200Hz:
-36dBm to -12dBm
This condition can be attained by choosing suitable
values of R1 and R2. The MT8841 configured in a
unity gain mode as shown in Fig. 6 meets the above
level requirements.
For applications requiring detection of lower FSK
signal level, the input op amp may be configured to
provide adequate gain.
Figure 6 - Application Circuit (Single-Ended Input)
C1
+5V
R1
R2
C2
X-tal
MT8841
IN +
IN -
GS
VRef
CAP
OSC1
OSC2
VSS
VDD
IC2
IC1
PWDN
CD
DR
DATA
DCLK
C3
R3
R4
To
Controller
Notes:
R1, R2 = 100 k
1%
R3, R4 = 100 k
10%
C1, C2, C3 = 0.1
μ
F 20%
X-tal = 3.579545 MHz
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT8841AS | CMOS Calling Number Identification Circuit |
| MT8841 | Calling Number Identification Circuit(主叫識別電路（提供各種主叫線信息傳遞設(shè)備的接口）) |
| MT8843 | CMOS Calling Number Identification Circuit 2 Preliminary Information |
| MT8843AE | CMOS Calling Number Identification Circuit 2 Preliminary Information |
| MT8843AS | CMOS Calling Number Identification Circuit 2 Preliminary Information |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT8841AS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MT8843 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS Calling Number Identification Circuit 2 Preliminary Information |
| MT8843AE | 制造商:Mitel Networks Corporation 功能描述:TELEPHONE CALLING NO IDENT CKT, PDIP24 |
| MT8843AS | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS Calling Number Identification Circuit 2 Preliminary Information |
| MT8860 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:DTMF DECODER |
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