參數(shù)資料
型號: L9215A
廠商: Lineage Power
英文描述: Short-Loop Sine Wave Ringing SLIC(短環(huán)路正弦波振鈴用戶接口(SLIC))
中文描述: 短回路正弦波振鈴用戶接口(短環(huán)路正弦波振鈴用戶接口電路(SLIC))
文件頁數(shù): 31/46頁
文件大小: 1165K
代理商: L9215A
Advance Data Sheet
October 2000
Short-Loop Sine Wave Ringing SLIC
L9215A/G
Lucent Technologies Inc.
31
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 applica-
tion note Switching Behavior of L9215 Ringing SLIC.
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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