Product page

Model 458-AWGN2
Dual Output AWGN Generator Line Module

Main Features

  • Bandwidth 20 kHz to 30 MHz.
  • Inject AWGN onto real cable or local loop simulator.
  • Solution for injecting AWGN for ADSL, ADSL2, ADSL2+, & VDSL2 chip/modem/DSLAM testing.
  • Plugs into our Model 458-CC-16 (16-slot) or 458-3SLB (3-Slot) chassis.
  • AWGN levels can be controlled manually via front panel of chassis, or remotely via RS-232, Ethernet or IEEE-488 (GPIB).
  • 458 Universal GUI software for control from a remote PC.
  • White Noise (AWGN) Generator (-90 dBm/Hz to -145 dBm/Hz).
Download pdf

product overview

The Model 458-AWGN2 is the ideal solution for injecting Additive White Gaussian Noise (AWGN) for ADSL, ADSL2, ADSL2+, and VDSL2 chip/modem/DSLAM testing applications. The user may add AWGN on the CO and/or CPE side, depending on their application. The 458-AWGN2 allows for common or independent noise levels on both sides. This line module produces a flat Power Spectral Density (PSD) over bandwidths from 20 kHz to 30 MHz..

This module is plugged into our Model 458-3SLB (3-Slot) or 458-CC-16 (16 Slot) chassis where settings are controlled by a convenient keypad located on the front, RS-232, Ethernet or IEEE-488(GPIB). The modular design of Telebyte’s products allows the 458-AWGN2 to be combined with other line modules for a wide variety of test configurations. This module can also be used to inject AWGN onto real cable..

Product Specifications

Model 458-AWGN2 Dual Output AWGN Generator
Simulation Additive White Gaussian Noise (AWGN).
Bandwidth Flat Power Spectral Density (PSD) over bandwidths from 20 kHz to 30 MHz.
AWGN Crest Factor ≥ 5
Output Impedance 4kΩ Minimum (20 kHz to 30 MHz)
White Noise (AWGN) Generator -90 dBm/Hz to -145 dBm/Hz in 0.25-dBm increments
Maximum Voltage Tip – Ring 200 V
Output Mode Differential, balanced.
Connectors 4 RJ-45’s on front (2 for CO side, 2 for CPE side of loop).

Specifications are subject to change without notice. Made in USA