Oleg Ayranov, leader of development at WEY Elektronik AG in Unterengstringen, Switzerland, received his Dr. Ing. at the Technical University of Dresden, Germany. Email address: Oleg.Ayranov.wey.ch
3 results found for Oleg Ayranov, displaying items 1 - 3
July 10, 2008[Ideas For Design] Create A 250-MHz Bandwidth Digital Potentiometer For Video Level Control
A circuit used to control the level of a video signal should have a 3-dB cutoff frequency of greater than 5 MHz for a television application or 100 MHz for a monitor application. CMOS-based digital potentiometers typically cannot be used as video devices because their frequency responses barely exceed 1 MHz. For such applications, a good choice would be a variable-gain amplifier (VGA) with analog or digital gain control. VGAs are offered...
May 25, 2006[Ideas For Design] Get Powerless Indication Of Video Signals For Less Than $1
Lots of modern monitors feature an indication of incoming video signals, even if the monitors are switched off. In most cases, an LED provides this indication by fading (slowly increasing and decreasing) its light intensity. This type of indication is very specific, and thus convenient, for use in other devices for the same purpose. Monitors typically stay connected to the power line, even when they're switched off. However, this doesn't apply for all video devices. Some may need...
