78P2343JAT
3-port E3/DS3/STS-1 LIU
with Jitter Attenuator
ELECTRICAL SPECIFICATIONS (continued)
E3 – TRANSMITTER SPECIFICATIONS
PARAMETER
CONDITION (see timing diagram)
MIN
TYP
MAX
UNIT
Transmitter Amplitude
Measured at 0ft of terminated
75ohm cable.
900
1000
1100
mVpk
Ratio of amplitudes of positive and
negative pulses measured at pulse
centers
Transmitter Amplitude Mismatch
0.95
1.05
Ratio of widths of positive and
negative pulses measured at pulse
half amplitude
Transmitter Pulsewidth Mismatch
Transmitter Pulsewidth
0.95
12.1
1.05
17
Measured at 0ft of terminated
75ohm cable.
14.8
ns
DS3 – TRANSMITTER SPECIFICATIONS
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Measured at 0ft of terminated
75ohm cable with LBO pin held
high (enabled).
Transmitter Amplitude
700
800
850
mVpk
Ratio of amplitudes of positive
and negative pulses measured at
pulse peaks.
Transmitter Amplitude Mismatch
0.9
1.1
+5.7
-20
Transmitter Power
at 22.368 MHz
All ones pattern, 3kHz bandwidth
-1.8
dBm
dBm
Harmonic Power
at 44.736 MHz
All ones pattern
Power below fundamental at
22.368MHz
STS-1 – TRANSMITTER SPECIFICATIONS
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Transmitter Amplitude
Measured at 0ft of terminated
75ohm cable with LBO pin held
high (enabled).
700
825
950
mVpk
Transmitter Amplitude Mismatch
Transmitter Power
Ratio of amplitudes of positive and
negative pulses measured at pulse
peaks.
0.9
1.1
PRBS15 pattern band-limited to
207.36MHz.
-2.7
+4.7
dBm
Page 23 of 37
2005 Teridian Semiconductor Corporation
Rev 2.2
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
