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參數(shù)資料
| 型號(hào)： | 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)： | 31/48頁 |
| 文件大?。?/td> | 1062K |
| 代理商： | L9216A |
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Preliminary Data Sheet
September 2001
Short-Loop Ringing SLIC with Ground Start
L9216A/G
Agere Systems Inc.
31
Supervision
(continued)
Power Ring
(continued)
Square Wave Input Signal and Trapezoidal Power Ring Signal Output
(continued)
Figure 20 and Figure 21 provide 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 L9215/16 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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