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參數(shù)資料
| 型號(hào)： | L9215A |
| 英文描述： | CAP CER 2200PF 3.15KVDC R3 RAD |
| 中文描述： | 短回路正弦波振鈴用戶接口 |
| 文件頁(yè)數(shù)： | 21/50頁(yè) |
| 文件大?。?/td> | 1115K |
| 代理商： | L9215A |
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Data Sheet
September 2001
Short-Loop Sine Wave Ringing SLIC
L9215A/G
Agere Systems Inc.
21
Electrical Characteristics
(continued)
Table 16. Ringing Specifications
Table 17. 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.
Table 18. PPM
*
PPM signal should be ac coupled through 10 nF.
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)
Ring Trip (NSTAT = 1): Loop Resistance (total)
Trip Time (f = 20 Hz)
Parameter
Min
Typ
Max
Unit
PPM Source*:
Frequency (f1)
Frequency (f2)
Input Signal
Input Impedance
Signal Gain (2.2 Vrms maximum at PT/PR)
Isolation
Harmonic Distortion
11.88
15.80
0
—
5.5
—
—
12
16
1.1
50
6
60
—
12.12
16.20
1.25
—
6.5
—
5
kHz
kHz
Vrms
k
dB
dB
%
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