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In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /var/www/internat/data/www/apparaturnaya.ru/engine/modules/show.full.php on line 417 Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /var/www/internat/data/www/apparaturnaya.ru/engine/modules/show.full.php on line 417 Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /var/www/internat/data/www/apparaturnaya.ru/engine/modules/show.full.php on line 417 Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /var/www/internat/data/www/apparaturnaya.ru/engine/modules/show.full.php on line 417 Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /var/www/internat/data/www/apparaturnaya.ru/engine/modules/show.full.php on line 417 Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /var/www/internat/data/www/apparaturnaya.ru/engine/modules/show.full.php on line 417 Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /var/www/internat/data/www/apparaturnaya.ru/engine/modules/show.full.php on line 417 Скачать книгу. Цифровые устройства. Руководство по отладке » Литература по электронике, аппаратуре, радиотехнике и механике. Скачать бесплатно
  

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 [ Аппаратура, Электроника Скачать книгу. Цифровые устройства. Руководство по отладке

Название: Цифровые устройства. Руководство по отладке
Автор: коллектив
Издательство: Tektronix
Год: 2006
Страниц: 16
Формат: PDF
Размер: 2.8 Мб
Язык: русский

По мере роста быстродействия систем и уменьшения их размеров разработчикам схем становится все труднее обеспечить идеальные цифровые характеристики сигнала. Высокое быстродействие и плотная упаковка компонентов устройств приводят к ряду нежелательных электрических явлений, неблагоприятно влияющих на работу схемы.
В конструировании быстродействующих устройств большую роль играют размещение компонентов, разводка дорожек, наличие помех и малых изменений сигнала. Например, в схемах, работающих на частотах гигагерцевого диапазона, индуктивность проводящих дорожек оказывает значительное влияние на работу устройства.
Разработчикам необходимо быстро обнаруживать и анализировать помехи, нарушения времени установки и фиксации, выбросы, метастабильные состояния, конфликты на шине, нестабильность фронтов и другие неполадки.

Оглавление

Введение ...4
Прослеживание помех...4 - 7
Эффекты линии передачи сигнала ...4
«Звон» и отражения ...4
Колебания в шине заземления ...5
Перекрестные помехи ...6
Меры предосторожности ...7
Обнаружение нарушений времени установки и фиксации
...7 - 8
Задержка распространения
...8
Стробированная задержка распространения ...8
Тактируемая задержка распространения ...8
Устранение конфликтов на шине
...9 - 10
Синхронизация по моделям ...10
Синхронизация по состоянию
...10
Регистрация метастабильных состояний ...10
Регистрация выбросов ...12
Обнаружение нестабильности фронтов ...12
Автоматизированные измерения и анализ
...15
Анализ временных характеристик и нестабильности фронтов
...15
Статистические измерения
...15
Выводы ...16

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