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參數(shù)資料
| 型號： | L9215G |
| 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)： | 29/46頁 |
| 文件大?。?/td> | 1165K |
| 代理商： | L9215G |
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Advance Data Sheet
October 2000
Short-Loop Sine Wave Ringing SLIC
L9215A/G
Lucent Technologies Inc.
29
Supervision
(continued)
Power Ring
(continued)
5 V V
CC
Operation
A PWM signal was generated with an HP* 8116 Func-
tion Generator modulated with a 20 Hz signal. The opti-
mal frequency used was 10 kHz. THE PWM signal
amplitude was 5.0 V (0 V to 5 V). This signal is shown
in Figure 14.
12-3575F
Figure 14. 5 V PWM Signal Amplitude
This input produced 44.96 Vrms ringing signal on
tip/ring under open loop conditions and 42.0 Vrms was
delivered to 5 REN load. The ringing output on ring,
with V
CC
= 5 V, is shown in Figure 15.
Notes:
The modulating 20 Hz signal THD was measured at 1.3 %.
The tip/ring 20 Hz signal THD was measured at 1 %.
V
BAT1
= –70.6 V, V
BAT2
= –26.5 V, V
CC
= 5.019 V.
PWM input 10 kHz, 5.0 Vpp.
R
1
= 10 k
, C
1
= 0.22
μ
F, C
2
= 0.47
μ
F.
Figure 15. Ringing Output on RING, with V
CC
= 5 V
*
HP
is a trademark of Hewlett-Packard Company.
3.3 V V
CC
Operation
A PWM signal was generated with an HP8116 Func-
tion Generator modulated with a 20 Hz signal. The opti-
mal frequency used was 10 kHz. The PWM signal
amplitude was 3.10 V (0 V to 3.10 V). This input signal
is shown in Figure 16.
12-3571F
Figure 16. 3.3 V PWM Signal Amplitude
This produced 44.96 Vrms ringing signal on tip/ring
under open loop conditions and 42.0 Vrms was deliv-
ered to 5 REN load. The ringing output on ring, with
V
CC
= 3.1 V is shown in Figure 17.
Notes:
The modulating 20 Hz signal THD was measured at 1.3 %.
The tip/ring 20 Hz signal THD was measured at 1 %.
V
BAT1
= –70.6 V, V
BAT2
= –26.5 V, V
CC
= 3.10 V.
PWM input 10 kHz, 3.1 Vpp.
R
1
= 10 k
, C
1
= 0.22
μ
F, C
2
= 0.47
μ
F.
Figure 17. Ringing Output on RING, with V
CC
= 3.1 V
During nonring modes, the PWM waveform may be left
on at 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
. There are certain timing con-
sideration that should be made with respect to state
changes which are detailed in the application note
Switching Behavior of L9215 Ringing SLIC.
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參數(shù)描述 |
|---|---|
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| L9218A | 制造商:AGERE 制造商全稱:AGERE 功能描述:Low-Cost Line Interface |
| L9219A | 制造商:AGERE 制造商全稱:AGERE 功能描述:Low-Cost Line Interface with Reverse Battery and Dual Current Limit |
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