Search results for 'Is Your Digital RF Communication System Optimized to Provide the Hist'

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Tips and Tricks Video 123

Tips and Tricks Video 123

DARS phase evaluation (French and English document) The DARS signal is sometimes created in another equipment than a SPG. In this case, it is necessary to check regularly the phase of this DARS compared to the video Sync of the system. As a matter of fact, these two signals must be synchronous and stable otherwise clicks and pops suddenly appear. But this is not easy to do so, since one signal is analog and the other is digital, and on top of that it’s necessary to compare the BB with the content of the AES signal and not with the clock ! The trick to do that is to use a traditional oscilloscope able to trigger on a user-defined pattern in a digital stream.
Tips and Tricks Video 127

Tips and Tricks Video 127

The MD5 code – How it works (French and English document) MD5 acronym is very often used in the telecommunication industry since it became a generic term similar to an Escalator or a Frigidaire. But it is less known what is hidden behind these letters. Following the polynomial calculations of last month, here is a paper introducing the basics of this system and how to use it in the Aurora file-based QC solution.
Tips and Tricks Video 126

Tips and Tricks Video 126

The HD-SDI CRC’s – What a story ! (French and English document) It is well known, that in HD-SDI, each line has its own dual CRC control packet in order to check separately the luminance and the chrominance of a signal. It is less known how it works really. This note is giving the basic knowledge in order to understand the process involved in this technology maintaining the integrity of the data in a digital path. At the same time, it will explain a bit more the interest of the data display available in oscilloscopes.
TipsTricks

Tips and Tricks Video 147

NMOS IS-04 As our industry moves away from hard wired systems towards flexible IP based architectures, international standardization entities (like SMPTE or AES) have worked on specifications to stream live content on IP packets (ST2110). But they have not really worked about interconnection and interoperability: How for instance to know what is in a system or how to simply connect a camera to a monitor in this environment ? Facing this context, AMWA has created an open working group named NMOS to work on these subjects. The first published specification (IS-04) enables applications to discover networked resources, which is an important first step towards automation and scalability. Tektronix being one of the active members of this group, IS-04 is already implemented in the Prism to facilitate the network connectivity.
Tips and Tricks

Tips and Tricks Video 130

AS-10PAD Versus AS-11 DPP (French and English document) After many months of discussion, the French television trade organizations have adopted a common format for the file exchanges between technical industries and broadcasters. The adopted format in France is based on the AS-10 international standard form AMWA while on the UK side, they have adopted the AS-11 standard within the DPP organization. What are the differences
Tips and Tricks Video

Tips and Tricks Video 131

TS-DF measurement (Time Stamp Delay Factor) (French and English document) In our Broadcast industry, the advent of IP transport requires to adapt to new techniques and to become familiar with new indicators. The IP has a long life and measurement techniques too. However, new algorithms had to be developed in order to adapt to Broadcast. It is in this context appears now the TS-DF indicator that measures the jitter of a network and its cumulative effect over time.
Tips and Tricks Video 132

Tips and Tricks Video 132

UHD in WFM and WVR 8k (French and English document) All the oscilloscopes of the 8k series (even the very first units delivered in 2010) are now capable of measuring UHD signals and/or signals having a wide color gamut (HDR). To do so, it is necessary to add the suitable upgrade kits. Whatever is the selected kits, a Firmware upgrade is also needed and this is THE trick of the month.
Tips and Tricks Video 128

Tips and Tricks Video 128

When Power Cord matters (French and English document) Nothing is more simple than a power cord ! But it’s not completely true when security matters. As a matter of fact, for equipment that is so important that requires redundancy, this parameter has to be considered. And who has never unplug a power cord by mistake? Particularly when synch generators are concerned, all details are important.
Tips and Tricks Video 124

Tips and Tricks Video 124

PTP – A new reference (French and English document) To deploy systems interconnected with IP links, the most difficult issue to solve is synchronization of all the equipment’s with a unique clock. With this in mind, an old standard has been adapted for Broadcast applications: PTP (Precision Time Protocol). Originally, this technology has been used by banks for High Frequency Trading operations in order that all computers in the world have a unique clock that is millisecond accurate. This protocol has now been adapted for Broadcast applications and is well described in the recommendation SMPTE ST 2059-2.

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