參數(shù)資料
型號: L9216A
英文描述: CAP CER 270PF 3.15KVDC R3 RAD
中文描述: 短環(huán)振鈴用戶接口與地面開始
文件頁數(shù): 19/48頁
文件大?。?/td> 1062K
代理商: L9216A
Preliminary Data Sheet
September 2001
Short-Loop Ringing SLIC with Ground Start
L9216A/G
Agere Systems Inc.
19
Electrical Characteristics
(continued)
Table 17. Ringing Specifications
Table 18. Ring Trip
Ringing will not be tripped by the following loads:
I
10 k
resistor in parallel with a 6
μF capacitor applied across tip and ring. Ring frequency = 17 Hz to 23 Hz.
I
100
resistor in series with a 2 μF capacitor applied across tip and ring. Ring frequency = 17 Hz to 23 Hz.
Parameter
Min
Typ
Max
Unit
RING
IN
(This input is ac coupled through 0.47 μF.):
Input Voltage Swing
Input Impedance
Ring Signal Isolation:
PT/PR to VITR
Ring Mode
Ring Signal Isolation:
RING
IN
to PT/PR
Nonring Mode
Ringing Voltage (5 REN 1380
+ 40 μF load, 100
loop, 2 x 50
protection
resistors, –70 V battery)
Ringing Voltage (3 REN 2310
+ 24 μF load, 250
loop, 2 x 50
protection
resistors, –70 V battery)
Ring Signal Distortion:
5 REN 1380
, 40 μF Load, 100
Loop
3 REN 2310
, 24 μF Load, 250
Loop
Differential Gain:
RING
IN
to PT/PR—No Load
0
100
60
V
CC
V
k
dB
80
dB
40
Vrms
40
Vrms
3
3
%
%
55
Parameter
Min
100
Typ
Max
600
10
100
Unit
k
ms
Ring Trip (NSTAT = 0): Loop Resistance (total) High Battery
Ring Trip (NSTAT = 1): Loop Resistance (total) High Battery
Trip Time (f = 20 Hz)
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