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test signal level

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  • RY (test signal) — RYRYRYRY... is a character string that was widely used to test a five level teleprinter or RTTY channel. The characters R and Y are Boolean complements of each other in 5 bit ITA2 code, also known Baudot. Switching between the two characters was… …   Wikipedia

  • Standard test signal — In telecommunication, a standard test signal is a single frequency signal with standardized level used for testing the peak power transmission capability and for measuring the total harmonic distortion of circuits or parts of an electric circuit …   Wikipedia

  • Signal generator — A signal generator, also known variously as a test signal generator, function generator, tone generator, arbitrary waveform generator, digital pattern generator or frequency generator is an electronic device that generates repeating or non… …   Wikipedia

  • Test card — A test card, also known as a test pattern in the UK, North America and Australia, is a television test signal, typically broadcast at times when the transmitter is active but no program is being broadcast (often at startup and closedown). Used… …   Wikipedia

  • Signal integrity — or SI is a measure of the quality of an electrical signal. In digital electronics, a stream of binary values is represented by a voltage (or current) waveform. Over short distances and at low bit rates, a simple conductor can transmit this with… …   Wikipedia

  • Level crossing — This article is about at grade intersections between railway and road. For where two rail lines cross, see level junction. For a type of nuclear receptor (RXR), see Retinoid X receptor. A level crossing at Chertsey, England, as the barriers rise …   Wikipedia

  • Test probe — Typical passive oscilloscope probe being used for testing an integrated circuit. A test probe (test lead, test prod, or scope probe) is a physical device used to connect electronic test equipment to the device under test (DUT). They range from… …   Wikipedia

  • Signal Corps (United States Army) — U.S. Army Signal Corps Coat of Arms Active 3 March 1863 – Present Country …   Wikipedia

  • Standard test tone — Test Tones In telecommunication, a standard test tone is a single frequency signal with a standardized level generally used for level alignment of single links and of links in tandem. Note: For standardized test signal levels and frequencies, see …   Wikipedia

  • Test matches in England in 2005 — There were seven Test matches played in England in 2005. The first two were against Bangladesh, the bottom ranked test team. England started this series ranked second in the LG ICC Test Championship table.The remaining tests were played for the… …   Wikipedia

  • Signal Transfer Point — A Signal Transfer Point (STP) is a router that relays SS7 messages between signaling end points (SEPs) and other signaling transfer points (STPs). Typical SEPs include SSPs and SCPs. The STP is connected to adjacent SEPs and STPs via signaling… …   Wikipedia

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