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參數(shù)資料
| 型號： | L7597 |
| 廠商： | Lineage Power |
| 英文描述： | Resistive Subscriber Line Interface Circuit (SLIC), Ring Relay, and Protector (SRP) for Short Loop and TA-909 Applications(用于短環(huán)路和TA-909的電阻性用戶線接口、振鈴繼電器和保護(hù)器) |
| 中文描述： | 電阻用戶線接口電路（SLIC），環(huán)繼電器和保護(hù)（SRP）的短環(huán)路和TA - 909應(yīng)用（用于短環(huán)路和電訊- 909的電阻性用戶線接口，振鈴繼電器和保護(hù)器） |
| 文件頁數(shù)： | 13/34頁 |
| 文件大?。?/td> | 564K |
| 代理商： | L7597 |
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Lucent Technologies Inc.
13
Advance Data Sheet
March 1997
Relay, and Protector (SRP) for Short Loop and TA-909 Applications
L7597 Resistive Subscriber Line Interface Circuit (SLIC), Ring
Electrical Characteristics
(continued)
Transmission Characteristics
Transmit direction is Tip/Ring to XMT. Receive direction is IRCV/RCVN to Tip/Ring.
Table 8. ac Transmission Characteristics
1. Requires external components connected as shown in Figure 5. Transmission characteristics are specified assuming a 600
resistive termi-
nation and
±
1% external resistors.
2. This parameter is not tested in production. It is guaranteed by design and device characterization.
Parameter
1
Min
—
21
26
21
—
—
Typ
600
Max
—
Unit
dB
dB
dB
dBm
%
ac Termination Impedance
Return Loss
2
:
200 Hz—500 Hz
500 Hz—2500 Hz
2500 Hz—3400 Hz
Tip/Ring Signal Level (600
reference)
Total Harmonic Distortion (200 Hz—4 kHz)
2
Transmit Gain (f = 1 kHz):
(Tip/Ring) to XMT
Receive Gain (f = 1 kHz):
IRCV to Differential Current Flowing from IPT to IPR
RCVN to IRCV
Gain vs. Frequency (transmit and receive; 1 kHz reference)
2
:
200 Hz—300 Hz
300 Hz—3.4 kHz
3.4 kHz—20 kHz
20 kHz—266 kHz
Gain vs. Level (transmit and receive; 0 dBV reference)
2
:
–50 dB to +3 dB
Transhybrid Loss
2
:
200 Hz—500 Hz
500 Hz—2500 Hz
2500 Hz—3400 Hz
Idle-channel Noise (Tip/Ring):
Psophometric
2
C-message
3 kHz Flat
2
Idle-channel Noise (XMT):
Psophometric
2
C-message
3 kHz Flat
2
—
—
—
—
—
—
—
—
3.14
0.3
–0.486
195
0.995
–1.00
–0.30
–3.0
—
–0.500
200
1
0
0
0
—
0
–0.514
205
1.005
0.05
0.05
2.0
2.0
0.05
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dBmp
dBrnC
dBrn
dBmp0
dBrnC0
dBrn0
–0.05
21
26
21
—
—
—
—
—
—
—
—
—
—
—
—
–77
12
20
–77
12
20
—
—
—
—
—
—
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