LUCL9215AAU-D AGERE [Agere Systems], LUCL9215AAU-D Datasheet - Page 33
LUCL9215AAU-D
Manufacturer Part Number
LUCL9215AAU-D
Description
Short-Loop Sine Wave Ringing SLIC
Manufacturer
AGERE [Agere Systems]
Datasheet
1.LUCL9215AAU-D.pdf
(50 pages)
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September 2001
Agere Systems Inc.
Supervision
Power Ring
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
During nonring modes, the square wave input may be left on or removed from RING
signal will be removed from tip and ring even if the low-voltage input is still present at RING
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
value.
(continued)
(continued)
1.36
1.35
1.34
1.33
1.32
1.31
1.29
1.28
1.27
1.26
1.45
1.35
1.25
1.5
1.4
1.3
1.3
10
58
10.5
Figure 20. Crest Factor vs. Battery Voltage
60
Figure 21. Crest Factor vs. R (k )
11
62
11.5
64
BAT V
R (k
12
66
Short-Loop Sine Wave Ringing SLIC
12.5
68
13
IN
70
. Via the state table, the ring
13.5
IN
. However, removing
72
14
12-3576F
12-3577F
33
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