參數(shù)資料
型號: XRT7302IV
英文描述: PCM Transceiver
中文描述: 收發(fā)器的PCM
文件頁數(shù): 19/53頁
文件大小: 604K
代理商: XRT7302IV
á
XRT73L00
E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 1.2.0
16
(1) Measured with Equalizer enabled, 12db cable attenua-
tion, VDD = 3.3V and TA = 25°C
(2) Measured at nominal STSX-1 level with Equalizer en-
abled, VDD = 3.3V and TA = 25°C
Figure 5 presents the test circuit that was used to test
and measure the pulse amplitudes as listed in the
ELECTRICAL CHARACTERISTICS tables.
Figure 6, Figure 7 and Figure 8 present the Pulse
Template requirements for the E3, DS3 and STS-1
Rates.
Receive Line Characteristics
Receive Sensitivity (Length of cable)
900
feet
Signal Level to Declare or Clear Loss of Signal (see Table 4)
mV
Intrinsic Jitter (all "1’s" Pattern)
(2)
0.03
UI
Intrinsic Jitter (100 Pattern)
0.03
UI
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
AC ELECTRICAL CHARACTERISTICS (CONT’D) Line Side Parameters
(T
A
= 25
°
C, V
DD
= 3.3V + 5%,
UNLESS
OTHERWISE
SPECIFIED
)
S
YMBOL
P
ARAMETER
M
IN
.
T
YP
.
M
AX
.
U
NITS
ABSOLUTE MAXIMUM RATINGS
P
OWER
S
UPPLY
-0.5
TO
+3.465V
S
TORAGE
T
EMPERATURE
-65
°
C
TO
150
°
C
I
NPUT
V
OLTAGE
AT
A
NY
P
IN
-0.5V
TO
5.0V
P
OWER
D
ISSIPATION
TQFP P
ACKAGE
1.2W
I
NPUT
C
URRENT
AT
A
NY
P
IN
+100
M
A
ESD R
ATING
(M
IL
-S
TD
-883, M-3015)
1500V
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