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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)： | 33/50頁(yè) |
| 文件大小： | 1115K |
| 代理商： | L9215A |
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Data Sheet
September 2001
Short-Loop Sine Wave Ringing SLIC
L9215A/G
Agere Systems Inc.
33
Supervision
(continued)
Power Ring
(continued)
Square Wave Input Signal and Trapezoidal Power Ring Signal Output
(continued)
The following charts are meant to give some guidance to the relationship between crest factor, battery voltage, and
R
1
value.
12-3576F
Figure 20. Crest Factor vs. Battery Voltage
12-3577F
Figure 21. Crest Factor vs. R (k
)
During nonring modes, the square wave input may be left on or removed from RING
IN
. Via the state table, the ring
signal will be removed from tip and ring even if the low-voltage input is still present at RING
IN
. However, removing
the waveform has certain advantages in terms of the timing of state. These advantages are detailed in the Switch-
ing Behavior of L9215 Ringing SLIC Application Note.
1.36
1.35
58
BAT V
C
60
62
64
66
68
70
72
1.34
1.33
1.32
1.31
1.3
1.29
1.28
1.27
1.26
1.5
1.45
10
R (k
)
C
1.4
1.35
1.3
1.25
10.5
11
11.5
12
12.5
13
13.5
14
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