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參數資料
| 型號： | L8560 |
| 英文描述： | Low-Power SLIC with Ringing |
| 中文描述： | 低功耗振鈴用戶接口 |
| 文件頁數： | 15/46頁 |
| 文件大?。?/td> | 842K |
| 代理商： | L8560 |
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Lucent Technologies Inc.
15
Data Sheet
April 2000
L8560 Low-Power SLIC with Ringing
Electrical Characteristics
(continued)
Table 9. ac Feed Characteristics
1. Set by external components. Any complex impedance R
1
+ R2 || C between 150
and 1300
can be synthesized.
2. This parameter is not tested in production. It is guaranteed by design and device characterization.
3. Return loss and transhybrid loss are functions of device gain accuracies and the external hybrid circuit. Guaranteed performance assumes
1% tolerance external components. Not tested in production.
Parameter
Min
150
Typ
—
Max
1300
Unit
ac Termination Impedance
1
Longitudinal Impedance
Total Harmonic Distortion—200 Hz to 4 kHz
2
:
Off-hook
On-hook
Transmit Gain, f = 1 kHz (PT/PR to VITR; see Figure 11.)
Receive + Gain, f = 1 kHz (RCVP to PT/PR)
Receive – Gain, f = 1 kHz (RCVN to PT/PR)
Group Delay
2
:
Transmit, Powerup
Receive
Gain vs. Frequency (transmit and receive)
(600
termination; reference 1 kHz, 1 Vrms)
2
:
200 Hz to 300 Hz
300 Hz to 3.4 kHz
3.4 kHz to 16 kHz
16 kHz to 266 kHz
Gain vs. Level (transmit and receive)(reference 0 dBV)
2
:
–55 dB to +3 dB
Return Loss
2, 3
:
200 Hz to 500 Hz
500 Hz to 3400 Hz
2-wire Idle-channel Noise (600
termination):
Psophometric
2
C-message
3 kHz Flat
2
4-wire Idle-channel Noise:
Psophometric
2
C-message
3 kHz Flat
2
Transhybrid Loss
3
:
200 Hz to 500 Hz
500 Hz to 3400 Hz
—
0
—
—
—
—
—
0.3
1.0
%
%
–392
7.76
–7.76
–400
8.00
–8.00
–408
8.24
–8.24
V/A
—
—
—
—
1
0.5
—
—
μ
s
μ
s
–1.00
–0.3
–3.0
—
0.0
0.0
–0.1
—
0.05
0.05
0.3
2.5
dB
dB
dB
dB
–0.05
0
0.05
dB
—
—
30
36
—
—
dB
dB
—
—
—
–87
2
10
–77
12
20
dBmp
dBrnC
dBrn
—
—
—
–82
7
15
–77
12
20
dBmp
dBrnC
dBrn
—
—
30
36
—
—
dB
dB
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