Дьяченко, Юрий Николаевич. Инвертирующий и неинвертирующий усилители [Электронный ресурс]: методические указания к практическим и лабораторным работам / Ю.Н. Дьяченко; Санкт-Петербургский государственный политехнический университет, Факультет технической кибернетики, Кафедра Измерительных информационных технологий. — Электрон. текстовые дан. (1 файл : 559 Кб). — Санкт-Петербург, 2013. — Загл. с титул. экрана. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Текстовый документ. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2930.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2013 | Quarter 1 | 4 | 0 | 2 | 0 | 6 |
| Quarter 2 | 37 | 0 | 6 | 0 | 43 | |
| Quarter 3 | 29 | 0 | 5 | 0 | 34 | |
| Quarter 4 | 17 | 0 | 6 | 0 | 23 | |
| Year 2014 | Quarter 1 | 18 | 0 | 6 | 0 | 24 |
| Quarter 2 | 23 | 0 | 14 | 0 | 37 | |
| Quarter 3 | 25 | 0 | 11 | 0 | 36 | |
| Quarter 4 | 23 | 0 | 6 | 0 | 29 | |
| Year 2015 | Quarter 1 | 18 | 0 | 9 | 0 | 27 |
| Quarter 2 | 25 | 0 | 0 | 0 | 25 | |
| Quarter 3 | 16 | 0 | 10 | 0 | 26 | |
| Quarter 4 | 27 | 0 | 10 | 0 | 37 | |
| Year 2016 | Quarter 1 | 14 | 0 | 17 | 0 | 31 |
| Quarter 2 | 20 | 0 | 13 | 0 | 33 | |
| Quarter 3 | 12 | 0 | 16 | 0 | 28 | |
| Quarter 4 | 35 | 0 | 20 | 0 | 55 | |
| Year 2017 | Quarter 1 | 20 | 0 | 21 | 0 | 41 |
| Quarter 2 | 6 | 0 | 17 | 0 | 23 | |
| Quarter 3 | 10 | 0 | 10 | 0 | 20 | |
| Quarter 4 | 16 | 0 | 23 | 0 | 39 | |
| Year 2018 | Quarter 1 | 18 | 0 | 58 | 0 | 76 |
| Quarter 2 | 7 | 0 | 76 | 0 | 83 | |
| Quarter 3 | 17 | 0 | 45 | 0 | 62 | |
| Quarter 4 | 7 | 0 | 30 | 0 | 37 | |
| Year 2019 | Quarter 1 | 6 | 0 | 31 | 0 | 37 |
| Quarter 2 | 7 | 0 | 75 | 0 | 82 | |
| Quarter 3 | 5 | 0 | 47 | 0 | 52 | |
| Quarter 4 | 2 | 0 | 157 | 0 | 159 | |
| Year 2020 | Quarter 1 | 11 | 0 | 56 | 0 | 67 |
| Quarter 2 | 6 | 0 | 3 | 0 | 9 | |
| Quarter 3 | 12 | 0 | 1 | 0 | 13 | |
| Quarter 4 | 32 | 0 | 33 | 0 | 65 | |
| Year 2021 | Quarter 1 | 15 | 0 | 139 | 0 | 154 |
| Quarter 2 | 8 | 0 | 210 | 0 | 218 | |
| Quarter 3 | 7 | 0 | 81 | 0 | 88 | |
| Quarter 4 | 3 | 0 | 174 | 0 | 177 | |
| Year 2022 | Quarter 1 | 7 | 0 | 159 | 0 | 166 |
| Quarter 2 | 7 | 0 | 267 | 0 | 274 | |
| Quarter 3 | 7 | 0 | 105 | 0 | 112 | |
| Quarter 4 | 9 | 0 | 267 | 0 | 276 | |
| Year 2023 | Quarter 1 | 45 | 0 | 209 | 0 | 254 |
| Quarter 2 | 49 | 0 | 193 | 0 | 242 | |
| Quarter 3 | 37 | 0 | 83 | 0 | 120 | |
| Quarter 4 | 5 | 0 | 232 | 0 | 237 | |
| Year 2024 | Quarter 1 | 0 | 0 | 201 | 0 | 201 |
| Quarter 2 | 8 | 0 | 442 | 0 | 450 | |
| Quarter 3 | 3 | 0 | 136 | 0 | 139 | |
| Total | 735 | 0 | 3,732 | 0 | 4,467 | |