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參數(shù)資料
| 型號： | MT88E39 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | 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）) |
| 中文描述： | 主叫號碼識別電路（主叫識別電路（提供各種主叫線信息傳遞設(shè)備的接口）） |
| 文件頁數(shù)： | 7/14頁 |
| 文件大?。?/td> | 97K |
| 代理商： | MT88E39 |
Advance Information
MT88E39
5-7
Notes:
*1:
*2:
*3:
*4:
*5:
Recommended by TIA/EIA-716. Bellcore has agreed to the values and will incorporate them into its future standards.
ETS 300 778-1 (On-hook) Sep 97, ETS 300 778-2 (Off-hook) Jan 97.
dBm = Decibels above or below a reference power of 1mW into 600 ohms. 0dBm=0.7746Vrms.
dBV = Decibels above or below a reference voltage of 1Vrms. 0dBV=1Vrms.
On-hook signal range. The Off-hook signal levels are inside this range: -30.78 to -7.78 dBm.
Figure 7 - Application Circuit (multiple interrupt source)
Parameter
North America: Bellcore
*1
Europe: ETSI
*2
Mark (logical 1) frequency
1200 Hz +/- 1%
1300 Hz +/- 1.5%
Space (logical 0) frequency
2200 Hz +/- 1%
-36.20 to -4.23 dBm
*3
(12 to 476 mVrms)
2100 Hz +/- 1.5%
Received signal level
-33.78 to -5.78 dBm
(-36 to -8 dBV
*4
)
*5
Reject signal level
-48.23 dBm (3 mVrms)
(VMWI only)
-47.78 dBm (-50 dBV)
Transmission rate
1200 baud +/- 1%
1200 baud +/- 1%
Twist
-6 to +10 dB
-6 to +6 dB
Signal to noise ratio
Single tone (f):
-18 dB (f<=60Hz)
-12 dB (60<f<=120Hz)
-6 dB (120<f<=200Hz)
+25 dB (200<f<3200Hz)
+6 dB (f>=3200Hz)
>= 25 db
(300 to 3400 Hz)
MT88E39 FSK input gain
for Vdd=5V +/-10%
0 dB
-2.5 dB
Table 1 - FSK signal characteristics specified by some standard bodies
Interrupt Source 1
Interrupt Source 2
MT88E39
Vdd
Vdd
*R2 can be omitted if mode 1 is selected
R2 *
R1
Vdd
INT (input)
Microcontroller
Input Port Bit
R1 can be opened and
D1 shorted if the
microcontroller does not
read the INT1 pin.
D1
INT1
(open drain)
INT2
(CMOS)
DR
(Mode 0: Open Drain)
(Mode 1: CMOS
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| MT88E41 | Extended Voltage Calling Number Identification Circuit (ECNIC)(擴展電壓主叫識別電路（提供各種主叫線信息傳遞設(shè)備的接口）) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT88E39AS | 制造商:Microsemi Corporation 功能描述: |
| MT88E39AS1 | 制造商:Microsemi Corporation 功能描述:CALLER ID CMOS 3.58MHZ 3.3V/5V 16SOIC - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC CNIC1.1 CLIP CID TYPE1 16SOIC 制造商:Microsemi Corporation 功能描述:IC CNIC1.1 CLIP CID TYPE1 16SOIC |
| MT88E39ASR | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Calling Number Identification Circuit |
| MT88E39ASR1 | 制造商:Microsemi Corporation 功能描述:Pb Free CNIC 1.1 制造商:Microsemi Corporation 功能描述:CALLER ID CMOS 3.58MHZ 3.3V/5V 16SOIC - Tape and Reel 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC CNIC1.1 CLIP CID TYPE1 16SOIC 制造商:Microsemi Corporation 功能描述:IC CNIC1.1 CLIP CID TYPE1 16SOIC |
| MT88E41 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:CMOS Extended Voltage Calling Number Identification Circuit (ECNIC) |
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