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參數(shù)資料
| 型號： | TLIU04C1 |
| 廠商： | Lineage Power |
| 英文描述： | Quad T1/E1 Line Interface(四T1/E1線接口) |
| 中文描述： | 四T1/E1線路接口（四個T1/E1線接口） |
| 文件頁數(shù)： | 34/100頁 |
| 文件大?。?/td> | 1321K |
| 代理商： | TLIU04C1 |
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Advance Data Sheet, Rev. 2
TLIU04C1 Quad T1/E1 Line Interface
April 1999
34
Lucent Technologies Inc.
Microprocessor Mode
(continued)
CEPT Transmitter Pulse Template and Specifications
(continued)
During CEPT operation, the transmitter tip/ring (TTIP/TRING pins) will perform as specified in Table 16.
Jitter Attenuator
A selectable jitter attenuator is provided for narrow-bandwidth jitter transfer function applications. When placed in
the LIU receive path, the jitter attenuator provides narrow-bandwidth jitter filtering for line synchronization. The jitter
attenuator can also be placed in the transmit path to provide clock smoothing for applications such as synchronous/
asynchronous demultiplexers. In these applications, TCLK will have an instantaneous frequency that is higher than
the data rate, and some periods of TCLK are suppressed (gapped) in order to set the average long-term TCLK fre-
quency to within the transmit line rate specification. The jitter attenuator will smooth the gapped clock.
Generated (Intrinsic) Jitter
Generated jitter is the amount of jitter appearing on the output port when the applied input signal has no jitter. The
jitter attenuator of this device outputs a maximum of 0.05 UIp-p intrinsic jitter.
Table 16. CEPT Transmitter Specifications
Parameter
Min
Typ
Max
Unit
Spec
Output Pulse Amplitude
*
:
75
120
Output Pulse Width at Line Side of
Transformer*
Output Pulse Width at Device Pins TTIP
and TRING*
Positive/Negative Pulse Imbalance:
Pulse Amplitude
Pulse Width
Zero Level (percentage of pulse
amplitude)
Return Loss
(120
):
51 kHz to 102 kHz
102 kHz to 2.048 MHz
2.048 MHz to 3.072 MHz
Return Loss
(75
):
51 kHz to 102 kHz
102 kHz to 3.072 MHz
* In accordance with the line circuitry described (see Line Circuitry on page 50), measured at the transformer secondary.
Using Lucent transformer 2795D or 2795C and components in Table 30.
2.13
2.7
219
2.37
3.0
244
2.61
3.3
269
V
V
ns
ITU-T G.703
224
244
264
ns
–4
–4
–5
±1.5
±1
0
4
4
5
%
%
%
9
15
11
—
—
—
—
—
—
dB
dB
dB
CH-PTT
7
9
—
—
—
—
dB
dB
ETS 300 166:
1993
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