參數(shù)資料
型號(hào): PE-65966
廠商: Exar Corporation
英文描述: E3/DS3/STS-1 LINE INTERFACE UNIT
中文描述: E3/DS3/STS-1線路接口單元
文件頁(yè)數(shù): 16/55頁(yè)
文件大小: 608K
代理商: PE-65966
XRT7300
E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 1.1.1
á
12
(1) Measured at Nominal DSX3 level, Equalizer enabled,
VDD = 5V and TA = 25
o
C
AC ELECTRICAL CHARACTERISTICS (CONTINUED) (TA = 25
°
C, VDD = 5.0V + 5%, UNLESS OTHER-
WISE SPECIFIED)
Line Side Parameters
S
YMBOL
P
ARAMETER
M
IN
.
T
YP
.
M
AX
.
U
NITS
DS3 Application Parameters
Transmit Line Characteristics (See Figure 5)
Transmit Output Pulse Amplitude (Measured at 0 feet, TXLEV = 0)
0.68
0.75
0.85
Vpk
Transmit Output Pulse Amplitude (Measured at 0 feet, TXLEV = 1)
0.90
1.0
1.1
Vpk
Transmit Output Pulse Width
10.10
11.18
12.28
ns
Transmit Output Pulse Amplitude Ratio
0.9
1.0
1.1
Transmit Output Jitter with jitter-free input clock at TCLK
0.02
0.05
UIpp
Receive Line Characteristics
Receive Sensitivity (Length of Cable)
900
1000
feet
Receive Intrinsic Jitter (All One’s Pattern)
0.01
UI
Receive Intrinsic Jitter (100 Pattern)
(1)
0.02
UI
LOS Level With Equalizer Enabled (Table 4)
Signal Level to Declare Loss of Signal (LOSTHR = 0)
55
mV
Signal Level to Clear Loss of Signal (LOSTHR = 0)
220
mV
Signal Level to Declare Loss of Signal (LOSTHR = 1)
22
mV
Signal Level to Clear Loss of Signal (LOSTHR = 1)
90
mV
LOS Level With Equalizer Disabled (Table 4)
Signal Level to Declare Loss of Signal (LOSTHR = 0)
35
mV
Signal Level to Clear Loss of Signal (LOSTHR = 0)
155
mV
Signal Level to Declare Loss of Signal (LOSTHR = 1)
17
mV
Signal Level to Clear Loss of Signal (LOSTHR = 1)
70
mV
Max Jitter Tolerance @ Jitter Frequency = 100Hz
64
UI
Max Jitter Tolerance @ Jitter Frequency = 1KHz
64
UI
Max Jitter Tolerance @ Jitter Frequency = 10KHz
5
UI
Max Jitter Tolerance @ Jitter Frequency = 800KHz
0.4
UI
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