SU645253A1

SU645253A1 - Generator of pulse train with exponentially-increasing frequency

Info

Publication number: SU645253A1
Application number: SU762369484A
Authority: SU
Inventors: Владимир Федорович Ломзин
Original assignee: Предприятие П/Я В-2502
Priority date: 1976-07-07
Filing date: 1976-07-07
Publication date: 1979-01-30

Description

сы через цепь обратной св зи поступают на вход ключевого элемента 1, который открываетс только на врем действи импульса , вызыва зар д конденсатора 5 интегратора 3. Величина зар да конденсатора 5 определ етс величиной сопротивлени резистора 2, которое выбираетс таким образом, чтобы напр жение на выходе интегратора от каждого приносимого на его вход импульса, увеличивалось ровно в два раза. Это увеличение напр жени вызывает увеличение тока тоже в два раза, а следовательно, и возрастание частоты следовани NO в два раза. С выхода преобразовател «ток - частота импульсов 6 полученна частота импульсов по цепи обратной св зи подаетс на вход ключевого элемента 1, процесс повтор етс снова.The feeds through the feedback circuit are fed to the input of the key element 1, which opens only for the duration of the pulse, causing a charge on the capacitor 5 of the integrator 3. The charge on the capacitor 5 is determined by the resistance value of the resistor 2, which is chosen so that the output of the integrator from each impulse brought to its input doubled exactly. This increase in voltage also causes a twofold increase in the current, and, consequently, an increase in the frequency of NO following. From the output of the current-to-pulse converter 6, the obtained pulse frequency is fed to the input of the key element 1 along the feedback circuit, the process is repeated again.

Таким образом, на выходе частота следовани импульсов будет измен тьс по закону N Noe, или если , тоThus, at the output, the pulse frequency will vary according to the law N Noe, or if

, где Т - период нарастани экспонеиты .where T is the period of increasing exponit.

Мен величину Т, можно моделировать любой закон изменени частотыMen the value of T, you can simulate any law of frequency change

Claims

Invention Formula

A pulse sequence generator with an exponentially increasing frequency, containing a key element whose output through a resistor is connected to the integrator input, the output of which through a current-generating element is connected to the input of a current-frequency converter, the output of which is connected to an output pulse generator with an exponentially increasing frequency, characterized in that, in order to increase the formation accuracy

a pulse sequence, an additional resistor is inserted in it, which is included as a current-supplying element between the integrator's output and the current-frequency converter input, the output

which is connected to the input of the key element. ,

Sources of information taken into account in the examination:

I. US Patent No. 3029380, cl. 328-55, 1962.

i2. “Bulletin dinformation scientifique et technique, 1974, No. 195, s. 37-39.

-finn.

- BbiKoS