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參數資料
| 型號： | L8576B |
| 英文描述： | Dual Ringing SLIC |
| 中文描述： | 雙振鈴用戶接口 |
| 文件頁數： | 15/26頁 |
| 文件大小： | 583K |
| 代理商： | L8576B |
Agere Systems Inc.
15
Data Sheet
May 2001
L8576B Dual Ringing SLIC
Test Configurations
(continued)
LONGITUDINAL BALANCE = 20log
12-2584(F)b
Figure 8. Longitudinal Balance
12-2585(F).r1
Figure 9. Longitudinal Impedance
12-2587(F)
Figure 10. ac Gains
Applications
Characteristic Curves
Figures 11—16 display typical room temperature read-
ings.
12-3507(F)
Note: Gain is normalized to 0 dB.
Figure 11. Receive Gain and Hybrid Balance vs.
Frequency
12-3508
Note: Gain is normalized to 0 dB.
Figure 12. Transmit Gain and Return Loss vs.
Frequency
TIP
RING
BASIC
TEST CIRCUIT
365
100
μ
F
100
μ
F
365
V
M
+
–
V
S
S
V
M
------
PT
PR
BASIC
TEST CIRCUIT
+
–
+
–
I
LONG
I
LONG
V
PT
V
PR
Z
LONG
=
OR
V
PR
I
LONG
PT
PR
BASIC
TEST CIRCUIT
600
V
T/R
+
–
G
XMT
=
V
XMT
V
T/R
V
T/R
V
RCV
G
RCV
=
XMT
RCV
V
S
FREQUENCY (Hz)
0.1k
100k
–30
–20
–10
10k
–60
–50
–40
1k
D
0
HYBRID BALANCE
RECEIVE GAIN
FREQUENCY (Hz)
0.1k
100k
–35
–20
–10
10k
–50
–55
–45
–40
1k
D
RETURN LOSS
TRANSMIT GAIN
–5
–15
–25
–30
0
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