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參數(shù)資料
| 型號： | MT88E43 |
| 廠商： | Zarlink Semiconductor Inc. |
| 英文描述： | Extended Voltage Calling Number Identification Circuit 2 |
| 中文描述： | 擴展電壓主叫號碼識別電路2 |
| 文件頁數(shù)： | 15/26頁 |
| 文件大?。?/td> | 317K |
| 代理商： | MT88E43 |
Data Sheet
MT88E43
5-67
AC Electrical Characteristics - Timing Parameter Measurement Voltage Levels
AC Electrical Characteristics
- Dual Tone Alert Signal Detection
Characteristic
Sym
Min
Typ
Max
Unit
Notes*
1
Low tone frequency
f
L
f
H
-
2130
-
Hz
2
High tone frequency
-
2750
-
Hz
3
Frequency deviation accept
1.1%
-
-
range within which
tones are
accepted
4
Frequency deviation reject
3.5%
-
-
ranges outside of
which tones are
rejected
5
Accept signal level per tone
-40
-37.78
-
-2
0.22
dBV
a
dBm
b
a. dBV = decibels above or below a reference voltage of 1Vrms. Signal level is per tone.
b. dBm = decibels above or below a reference power of 1mW into 600 ohms, 0dBm = 0.7746Vrms. Signal level is per tone.
c. Twist = 20 log (f
H
amplitude / f
L
amplitude).
See Note 3
6
Reject signal level per tone
-
-
-46
-43.78
dBV
dBm
dB
c
See Note 3
7
Positive and negative twist
accept
7
-
-
*Notes:
1. Both tones have the same amplitude.
2. Band limited random noise 300-3400Hz. Measurement valid only when tone is present.
3. With gain setting as shown in Figure 10. Production tested at 3V
±
10%, 5V
±
10%.
=
AC Electrical Characteristics are over recommended operating conditions, unless otherwise stated.
Typical figures are at 25
o
C and are for design aid only: not guaranteed and not subject to production testing
8
Signal to Noise Ratio
SNR
TONE
20
-
-
dB
1,2
Characteristics
Sym
Level
Units
Notes
1
CMOS Threshold Voltage
V
CT
V
HM
V
LM
0.5*V
DD
0.7*V
DD
0.3*V
DD
V
2
Rise/Fall Threshold Voltage High
V
3
Rise/Fall Threshold Voltage Low
V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT88E43AE | Extended Voltage Calling Number Identification Circuit 2 |
| MT88E43AS | Extended Voltage Calling Number Identification Circuit 2 |
| MT88E45B | 4-Wire Calling Number Identification Circuit 2 |
| MT88E45BN | 4-Wire Calling Number Identification Circuit 2 |
| MT88E45BS | 4-Wire Calling Number Identification Circuit 2 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT88E43AE | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Extended Voltage Calling Number Identification Circuit 2 |
| MT88E43AS | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Extended Voltage Calling Number Identification Circuit 2 |
| MT88E43B | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Extended Voltage Calling Number Identification Circuit 2 |
| MT88E43BE | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Extended Voltage Calling Number Identification Circuit 2 |
| MT88E43BS | 制造商:Microsemi Corporation 功能描述: |
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