English-German dictionary of Electrical Engineering and Electronics. 2013.
Frequency-division multiplexing — (FDM) is a form of signal multiplexing where multiple baseband signals are modulated on different frequency carrier waves and added together to create a composite signal. Non telephoneFDM can also be used to combine multiple signals before final… … Wikipedia
Repeater — This article is about the electronic device. For other uses, see Repeater (disambiguation). A wireless repeater. A repeater is an electronic device that receives a signal and retransmits it at a higher level and/or higher power, or onto the other … Wikipedia
Frequency frogging — In telecommunication, the term frequency frogging has the following meanings: 1. The interchanging of the frequencies of carrier channels to accomplish specific purposes, such as to prevent feedback and oscillation, to reduce crosstalk, and to… … Wikipedia
Carrier system — In telecommunication, a carrier system (loosely, a synonym with carrier) is a multichannel telecommunications system in which a number of individual channels (e.g. data, audio, video or combination thereof) are multiplexed for transmission. The… … Wikipedia
Single-frequency network — For other uses, see SFN (disambiguation). A single frequency network or SFN is a broadcast network where several transmitters simultaneously send the same signal over the same frequency channel. Contents 1 Overview 2 OFDM and COFDM 3 DVB T SFN … Wikipedia
12-channel carrier system — is a type of Frequency division multiplexing system. In this system twelve voice channels are multiplexed in a High Frequency Carrier and passed through balanced pair trunk lines similar to those used for Voice Frequency connections. The Bell… … Wikipedia
L-carrier — SystemYearFrequencyCoax per cableDistance between repeatersVoice circuits per coaxL 119413 MHz48 miles600L 21942840 kHz416 miles360L 319538 MHz84 miles5,580L 4196717 MHz20 … Wikipedia
Amateur television — Fast scan redirects here. For the ultrasound assessment used in trauma, see Focused assessment with sonography for trauma. Amateur television (ATV) is the transmission of Broadcast quality video and audio over the wide range of frequencies of… … Wikipedia
North American broadcast television frequencies — The North American broadcast television frequencies are on designated television channels numbered 2 through 69, approximately between 54 and 806 MHz. Traditionally, the frequencies are divided into two sections, the very high frequency (VHF)… … Wikipedia
Power line communication — or power line carrier (PLC), also known as power line digital subscriber line (PDSL), mains communication, power line telecom (PLT), power line networking (PLN), or broadband over power lines (BPL) are systems for carrying data on a conductor… … Wikipedia
X10 (industry standard) — X10 is an international and open industry standard for communication among electronic devices used for home automation, also known as domotics . It primarily uses power line wiring for signaling and control, where the signals involve brief radio… … Wikipedia
