DIMAT OPU-1 - High-Frequency Characteristics

OPU-1
UNIVERSAL POWER-LINE CARRIER SYSTEM TYPE OPU-1
GENERAL DESCRIPTION - Rev 7 (May 2019)
48/67
5.2 HIGH-FREQUENCY CHARACTERISTICS
Frequency range
From 36 to 512 kHz
Operating frequency
Programmable in 1 Hz steps
Nominal impedance
Selectable among 50, 75, 125 and 140 
Return loss
Better than 10 dB in accordance with IEC 495
Tapping loss
In accordance with IEC 495, Fig. A.1 with n=4
(digital channel), figure 5 (analog channel)
Frequency separation for parallel
connection on the same line
(analog channel)
Between transmitter and receiver
of the same equipment
0 kHz
Between transmitters
of adjacent equipment
8 kHz
Between transmitter and receiver
of adjacent equipment
4 kHz
Between receivers
of adjacent equipment
0 kHz
Transmitter
Peak envelope power
over resistive load
20, 40 or 80 W, shared between the analog
and digital channels
Spurious emission
(analog channel)
In accordance with IEC 495 cls. 5.2.4 and
figures 7 and A.2
Receiver sensitivity
➢ Analog channel: -30 dBm (measured in the
pilot signal).
➢ Digital channel: -10 dBm
Receiver selectivity
➢ Analog channel: higher than 65 dB at
300 Hz, and higher than 75 dB starting
from 4 kHz; in accordance with IEC 495
cls. 5.3.1.5.