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參數(shù)資料
| 型號(hào)： | MT91610 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Programmable Ringing SLIC(可編程振鈴用戶線路接口電路（帶一個(gè)外部驅(qū)動(dòng)器）) |
| 中文描述： | 可編程振鈴用戶接口（可編程振鈴用戶線路接口電路（帶一個(gè)外部驅(qū)動(dòng)器）） |
| 文件頁數(shù)： | 9/20頁 |
| 文件大小： | 82K |
| 代理商： | MT91610 |
Preliminary Information
MT91610
9
Note: All resistors are 1/8 W, 1% unless otherwise indicated.
*Assumes Z
o
= Z
NB
= 600
, Gain 2 - 4 = -6dB, Gain 4 - 2 = -1dB.
D1
=
1N5819 Schottky Diode (Optional)
PR1
=
This device must always be fitted to ensure damages does not occur from inductive loads.
For simple applications PR1 can be replaced by a single TVS, such as 1.5KE220C, across tip
and ring. For applications requiring lightning and mains cross protection further circuitry will be
required and the following protection devices are suggested: P2353AA, P2353AB (Teccor),
THBT20011, THBT20012, THBT200S (SGS-Thomson), TISP2290, TSSP8290L (T.I.)
BR
=
Raychem TR600-150 or equivalent
F1, F2
=
Teccor F1250T Slow-Blow Fuse
Protection Components
Figure 4 shows three possible combinations of protection. Depending on the application, the user can select
whether to use a resettable or non-resettable protection scheme.
Component List* for a Typical Application with a Resistive 600
Line Impendance -
Refer to
Figure 4 for component designation and recommended configuration
Resistor Values
R1
200k
200k
300k
300k
200k
200k
51k
R2
100k
(see Figure 6)
100k
336k7
150k
200k
10k
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
Capacitor Values
C1
220nF, 5%
C2
100nF, 5%
C3
470nF, 5%
C4
100nF, 5%
C5
100nF, 5%
C6
4.7uF, 5%
C7
100nF, 5%
C8
100nF, 5%
C9
10nF, 5%
C10
330nF, 5%
C11
33nF, 5%
C12
100nF, 5%
C13
100nF, 5%
C14
330nF, 5%
C15
330nF, 5%
Method
Slow-Blow Fuse (F1, F2)
Varistor (PR1)
Breaker (BR)
1
in place
in place
short out
2
short out
in place
in place
3
in place
in place
in place
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