SU1647425A1 - Digital ac voltmeter - Google Patents
Digital ac voltmeter Download PDFInfo
- Publication number
- SU1647425A1 SU1647425A1 SU884602792A SU4602792A SU1647425A1 SU 1647425 A1 SU1647425 A1 SU 1647425A1 SU 884602792 A SU884602792 A SU 884602792A SU 4602792 A SU4602792 A SU 4602792A SU 1647425 A1 SU1647425 A1 SU 1647425A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- input
- analog
- digital converter
- output
- multiplexer
- Prior art date
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- Plural Heterocyclic Compounds (AREA)
Abstract
Изобретение относитс к измерительной технике и предназначено дл измерени переменного напр жени периодических сигналов. Цель изобретени - повышение точности измерени - достигаетс введением делител 6 напр жени , второго аналого-цифрового преобразовател 7, мультиплексора 10, логических элементов ИЛИ- НЕ 8, И. Кроме того, вольтметр содержит аналоговый коммутатор 1, блок 5 управлени , первый аналого-цифровой преобразователь 2, вычислительный блокЗ, блок 4 индикации.4 ил.The invention relates to a measurement technique and is intended to measure the alternating voltage of periodic signals. The purpose of the invention is to increase the measurement accuracy by introducing a voltage divider 6, a second analog-to-digital converter 7, a multiplexer 10, OR-NOT 8, I logic elements. In addition, the voltmeter contains an analog switch 1, a control unit 5, the first analog-digital converter 2, computational block, indication block 4. Il.
Description
55-бг55-bg
Начало периода TjTj period start
jj
Вход длот2 0-JInput dlot2 0-J
Г R
1- /почка 2- /лт -а «ЈЈ 1- / kidney 2- / lt-a
jj
jj
Фиг.ЬFig.b
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU884602792A SU1647425A1 (en) | 1988-11-09 | 1988-11-09 | Digital ac voltmeter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU884602792A SU1647425A1 (en) | 1988-11-09 | 1988-11-09 | Digital ac voltmeter |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1647425A1 true SU1647425A1 (en) | 1991-05-07 |
Family
ID=21408231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU884602792A SU1647425A1 (en) | 1988-11-09 | 1988-11-09 | Digital ac voltmeter |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1647425A1 (en) |
-
1988
- 1988-11-09 SU SU884602792A patent/SU1647425A1/en active
Non-Patent Citations (1)
Title |
---|
Смел ков В.В. Цифрова измерительна аппаратура инфранизких частот.- М.:Энерги . 1975, с. 62, рис. 2.7. Горлач А.А., Минц М.Я., Чинков В.Н. Цифрова обработка сигналов в измерительной технике. - Киев: Техника, 1985, с. 59, рис. 13. * |
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