DS3150 Maxim Integrated Products, DS3150 Datasheet - Page 23

• Manufacturer Part Number: DS3150
• Description: 3.3V T3 / E3 / STS-1 Line Interface Unit
• Manufacturer: Maxim Integrated Products

RECEIVER INPUT CHARACTERISTICS—DS3 AND STS-1 MODES
(V
RECEIVER INPUT CHARACTERISTICS—E3 MODE
(V
Note 9: An interfering signal (2
Note 10: Not tested during production test.
Note 11: Measured on the line side (the BNC connector side) of the 1:2 receive transformer
Note 12: With respect to nominal 800mVpk signal for DS3/STS-1 and nominal 1000mVpk signal for E3.
Receive Sensitivity (length of cable)
Signal-to-Noise Ratio, Interfering Signal Test (Notes 9, 10)
Input Pulse Amplitude, RMON = 0 (Notes 10, 11)
Input Pulse Amplitude, RMON = 1 (Notes 10, 11)
Analog LOS Declare, RMON = 0 (Note 12)
Analog LOS Clear, RMON = 0 (Note 12)
Analog LOS Declare, RMON = 1 (Note 12)
Analog LOS Clear, RMON = 1 (Note 12)
Intrinsic Jitter Generation (Note 10)
Receive Sensitivity (length of cable)
Signal-to-Noise Ratio, Interfering Signal Test (Notes 9, 10)
Input Pulse Amplitude, RMON = 0 (Notes 10, 11)
Input Pulse Amplitude, RMON = 1 (Notes 10, 11)
Analog LOS Declare, RMON = 0 (Note 12)
Analog LOS Clear, RMON = 0 (Note 12)
Analog LOS Declare, RMON = 1 (Note 12)
Analog LOS Clear, RMON = 1 (Note 12)
Intrinsic Jitter Generation (Note 10)
DD
DD
= 3.3V ±5%, T
= 3.3V ±5%, T
is added to the wanted signal. The combined signal is passed through 0 to 900 feet of coaxial cable and presented to the DS3150
receiver. This spec indicates the lowest signal-to-noise ratio that results in a bit error ratio < 10
traffic is unframed 2
A
A
= -40°C to +85°C.)
= -40°C to +85°C.)
PARAMETER
PARAMETER
15
15
- 1 PRBS for DS3/STS-1 and unframed 2
- 1 PRBS for DS3/STS-1, 2
23
- 1 PRBS for E3, B3ZS/HDB3 encoded, compliant waveshape, nominal bit rate)
23 of 27
23
- 1 PRBS for E3.
MIN
MIN
900
900
-18
-32
-18
-32
(Figure
TYP
1200
TYP
1200
0.03
0.03
10
12
1-2). During measurement, incoming data
-9
.
MAX
MAX
1300
1300
260
260
-25
-39
-25
-39
UNITS
UNITS
mVpk
mVpk
mVpk
mVpk
UIp-p
UIp-p
feet
feet
dB
dB
dB
dB
dB
dB
dB
dB