參數(shù)資料
型號(hào)： MT91610
廠商： Mitel Networks Corporation
英文描述： Analog Ringing SLIC
中文描述： 模擬振鈴用戶接口
文件頁(yè)數(shù)： 9/20頁(yè)
文件大小： 251K
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), TISP72290, TISP7360F3D (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
R2
100k
(see Figure 6)
R3
200k
R4
100k
R5
300k
R6
336k7
R7
300k
R8
150k
R9
200k
R10
200k
R11
200k
R12
10k
R13
51k
Capacitor Values
C1
220nF, 5%
C2
470nF, 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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