SU72510A1 - Method of marking scale points on the frequency axis in oscillographic analyzers with a sweep generator - Google Patents
Method of marking scale points on the frequency axis in oscillographic analyzers with a sweep generatorInfo
- Publication number
- SU72510A1 SU72510A1 SU3989A SU351569A SU72510A1 SU 72510 A1 SU72510 A1 SU 72510A1 SU 3989 A SU3989 A SU 3989A SU 351569 A SU351569 A SU 351569A SU 72510 A1 SU72510 A1 SU 72510A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- oscillographic
- analyzers
- frequency
- sweep generator
- frequency axis
- Prior art date
Links
Landscapes
- Measurement Of Radiation (AREA)
Description
Известны способы отметки масштабных точек на оси частот в осциллографических анализаторах со свип-генератором.Known methods of marking scale points on the frequency axis in oscillographic analyzers with a sweep generator.
Описываемый способ отличаетс тем, что на управл ющие сетки смесительной лампы с настроенным контуром в анодной цепи подаютс колебани со свип-генератора и с генератора известной частоты. При использовании электронного осциллографа с двухлучевой трубкой колебани с анодного контура смесительной лампы подаютс на отклон ющие пластины второго луча осциллографа в направлении перпендикул рном направлению линии его развертки по оси частот.The described method is characterized in that oscillations from a sweep generator and from a generator of a known frequency are applied to control grids of a mixing lamp with a tuned loop in the anode circuit. When using an electron oscilloscope with a double-beam tube, oscillations from the anode circuit of the mixing lamp are fed to the deflection plates of the second beam of the oscilloscope in the direction perpendicular to the direction of its scanning line along the frequency axis.
)Г1ринципиальна схема описываемого способа приводитс на чертеже .The basic principle of the described method is shown in the drawing.
На управл ющие сетки смесительной лампы подаетс переменное напр жение с выхода свип-генератора и измерительного стандарт-генератора .A variable voltage is supplied to the control grids of the mixing lamp from the output of the sweep generator and the measuring standard generator.
Колебательный контур, включенный в анодную цепь смесительной лампы, настроен на заданную частоту.The oscillatory circuit included in the anode circuit of the mixing lamp is tuned to the specified frequency.
Если частота измерительного генератора выбрана так, что находитс в пределах полосы частот охватываемых свип-генератором, то при «качании частоты свип-генератора на экране трубки получаетс два изображени частотной характеристики контура. Эти два изображени разнесены на удвоенную величину резонансной частоты контура. При малом значении затухани контура изображени характеристик получаютс в виде двух удлиненных точек, одна из которых используетс дл отметки частоты по второму каналу осциллографа. На первый же канал осциллографа подаетс напр жение с выхода испытуемого усилител , на вход которого подано напр жение со свип-генератора . При этих услови х на экране трубки по в тс изображени отметки и частотной характеристики усилител .If the frequency of the measuring generator is chosen so that it is within the frequency band covered by the sweep generator, then when the sweep generator frequency is sweeping, two images of the frequency response of the circuit are displayed on the screen of the tube. These two images are separated by twice the resonant frequency of the circuit. With a small attenuation of the contour, the image of the characteristics is obtained in the form of two elongated points, one of which is used to mark the frequency on the second channel of the oscilloscope. The first channel of the oscilloscope is supplied with voltage from the output of the amplifier under test, to the input of which voltage is applied from a sweep generator. Under these conditions, the image of the mark and frequency response of the amplifier is on the screen of the handset.
Измен рассто ние между средними лини ми изображ ений можно перемещать отметку по вертикали. Измен частоту измерительного стандарт-генератора можно перемещать отметку по горизонтали.By changing the distance between the middle image lines, you can move the elevation vertically. By changing the frequency of the measuring standard generator, you can move the mark horizontally.
П р е д м е т изобретени PREAMETE OF THE INVENTION
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU3989A SU72510A1 (en) | 1947-01-09 | 1947-01-09 | Method of marking scale points on the frequency axis in oscillographic analyzers with a sweep generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU3989A SU72510A1 (en) | 1947-01-09 | 1947-01-09 | Method of marking scale points on the frequency axis in oscillographic analyzers with a sweep generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU72510A1 true SU72510A1 (en) | 1947-11-30 |
Family
ID=52674133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU3989A SU72510A1 (en) | 1947-01-09 | 1947-01-09 | Method of marking scale points on the frequency axis in oscillographic analyzers with a sweep generator |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU72510A1 (en) |
-
1947
- 1947-01-09 SU SU3989A patent/SU72510A1/en active
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