Because of these properties, silica fibers are the material of choice in many optical applications, such as communications (except for very short distances with plastic optical fiber), fiber lasers, fiber amplifiers, and fiber-optic sensors. OverviewAn optical fiber, or optical fibre, is a flexible or plastic that can transmit from one end to the other.
Read More
RFOG ONU has excellent AGC characteristic, input optical power range is -7～+2dBm, professional RF attenuator circuit. With the optical CATV transmitter, the optical 4-way upstream receiver, the optical de-/multiplexer and the micro fibre nodes, Axing offers a complete fibre optic transmission link for downstream and upstream. The RFoG standard is met by Baudcom's cutting-edge optical network units (R-ONUs). In FTTH network, it serves to transmission layer of RF video, DAVIC, DOCSIS, extending the optical network to home or building without the need of adjacent HFC optical. The Maxcom MX700AC-MT series with Selectable wavelength offers enhanced features such.
Read More
The geometrical optical-path length or simply geometrical path length (GPD) is the of a in a given OP, i.
Read More
Optical Return Loss (ORL) is the ratio between the light launched into a device and the light reflected by a defined length or region. ORL can be measured using two measurement techniques: optical continuous wave reflectometry (OCWR) or optical time domain reflectometry (OTDR). the reflection above the fiber backscatter level, relative to the source pulse, is called reflectance. As shown in the figures above, the OCWR Testing setup for reflectance or return loss tests of connectors or passive fiber components per industry standards (TIA FOTP-107 or IEC 61300-3-6) using a light source.
Read More
Distance Relay: Operates based on impedance, commonly used in transmission line protection. Protective Relays - Technical Seminar Nov 2016 - Copyright: IEEE 2 Abstract: Protective relays and devices have been developed over 100 years ago to provide "lastline"of defense for the electrical systems. They are intended to quickly identify a fault and isolate it so the balance of the system. Many important issues, such as coordination of settings, operating times, characteristics of. For example, unselective protection operation during a medium voltage network fault will cause an outage for an unnecessarily large number of consumers. Transmission lines act like the arteries in the human circulatory system, moving electrical power from were it is produced by generators to where it is consumed at load centers.
Read More+27 10 247 8396
Unit 7, Summit Place, 21 Summit Rd, Midrand, Johannesburg, 1685, South Africa