XRT86L30
REV. 1.0.1
SINGLE T1/E1/J1 FRAMER/LIU COMBO
TABLE 184: T1 RECEIVER
ELECTRICAL CHARACTERISTICS
VDD=3.3V±5%, TA=-40° TO 85°C, UNLESS OTHERWISE SPECIFIED
P
ARAMETER
M
IN.
TYP
.
MAX
.
U
NIT
TEST CONDITIONS
Receiver loss of signal:
Number of consecutive zeros before
RLOS is set
160
15
175
20
190
Input signal level at RLOS
RLOS Clear
-
-
dB
Cable attenuation @772kHz
12.5
12
-
-
% ones ITU-G.775, ETSI 300 233
Receiver Sensitivity
dB
With nominal pulse amplitude of 3.0V
for 100 termination
Ω
(Short Haul with cable loss)
Receiver Sensitivity
(Long Haul with cable loss)
Normal
-
With nominal pulse amplitude of 3.0V
for 100 termination
Ω
0
0
36
45
dB
dB
Extended
Input Impedance
13
-
kΩ
Jitter Tolerance:
1Hz
138
0.4
-
-
-
-
UIpp
AT&T Pub 62411
10kHz - 100kHz
Recovered Clock Jitter
Transfer Corner Frequency
Peaking Amplitude
-
-
9.8
6
-
KHz
dB
TR-TSY-000499
AT&T Pub 62411
0.1
Jitter Attenuator Corner Frequency
(-3dB curve)
-
-Hz
Return Loss:
51kHz - 102kHz
102kHz - 2048kHz
2048kHz - 3072kHz
-
-
-
20
25
25
-
-
-
dB
dB
dB
TABLE 185: E1 TRANSMIT
R
ETURN
L
OSS
R
EQUIREMENT
R
ETURN
L
OSS
F
REQUENCY
G.703/CH-PTT
8dB
ETS 300166
6dB
51-102kHz
102-2048kHz
2048-3072kHz
14dB
8dB
10dB
8dB
268
EXAR [ EXAR CORPORATION ]
