SU1026286A1

SU1026286A1 - Reversive oscillator

Info

Publication number: SU1026286A1
Application number: SU802995848A
Authority: SU
Inventors: Владимир Ильич Турченков
Original assignee: Turchenkov Vladimir
Priority date: 1980-10-22
Filing date: 1980-10-22
Publication date: 1983-06-30

Abstract

РЕВЕРСИВНЫЙ ГЕНЕРАТОР, содфжаший делитель напр жени , включенный между шинами питани , первый транзистор, база которого соединена со средней точкой делител напр жени , а эмиттер через первый резистор - с одной ишнрй шгганин, второй транзистор, эмиттер которого соединен с другой шиной питани , база - с коллектором первого транзистора , а коллектор - с первым выводом второго резистора, третий транзистор , база которого через резистор соединена с выводом конденсатора, транзистор, эмиттер которого через третий резистор соединен с базой третьего, п тый транзистор и четвертый резистор, отличающийс там, что, с целью, повышени КПД устройства и расширени его функциональных возможностей , в него введен шестой транзисчюр, эмиттер которого соединен с ищной пи-тани , база - с вторьпл выводом второго резистора и через п тый резистор с отрицательной шиной питани , а коллекторс базой четвертого транзистора и шестой резисгор с положи- . тельной, шиной питани , и два диода, шун-, тирук цие базо-эмщт рные переходы четвертого и п того транзисторов во встречном направлении, причем эмиттер , третьего транзистора соединен с базой, а (Л коллектор - с эмиттером Первого транзистора , коллектор второго транзистора через четвертый резистор соединен с вторым выводом конденсатора, коллектор четвертого транзистора соединен с положительной шиной питани , коллектор п того - с отрицательной, а его база - с коллектором второго транзистора.A REVERSIBLE GENERATOR, a voltage suppressor connected between the power buses, the first transistor, the base of which is connected to the midpoint of the voltage divider, and the emitter through the first resistor - with one ishry Shgganin, the second transistor, the emitter of which is connected to another power bus, the base is with the collector of the first transistor, and the collector with the first output of the second resistor, the third transistor, the base of which is connected via a resistor to the output of a capacitor, the transistor whose emitter is connected to the base through a third resistor The third, fifth transistor and the fourth resistor, which is different there, that, in order to increase the efficiency of the device and expand its functionality, a sixth transistor is inserted in it, the emitter of which is connected to the search power, the base is with the second terminal of the second resistor and through a fifth resistor with a negative power line; and a collector base of the fourth transistor and a sixth resistor, with pos. bus, power supply, and two diodes, shun-, circulating base-transitions of the fourth and fifth transistors in the opposite direction, the emitter, the third transistor connected to the base, and (L collector - with the emitter of the First transistor, the collector of the second transistor through the fourth resistor is connected to the second output of the capacitor, the collector of the fourth transistor is connected to the positive power supply bus, the collector of the fifth is connected to the negative one, and its base is connected to the collector of the second transistor.

Description

Изобреггение относитс к импульсным генераторам -и может быть использовано в устройствах автоматики и электропитани устройств в качестве преобразовател напр жени .The isobreggation refers to a pulse generator - and can be used in devices for automation and power supply of devices as a voltage converter.

Известен несимметричный мультивибратор на двух транзисторах с амиттерной врем задакшей цепью I- JKnown asymmetric multivibrator on two transistors with amittern time zadakshy chain I-J

К недостаткам мультивибратора можно отнести 1малый КПД и большую скважность формируемых импульсов.The disadvantages of the multivibrator include the low efficiency and high duty cycle of the generated pulses.

Наиболее близким по технической сущности к предлагаемому вл етс генератор нмпупьсов, содержащий делитель напр жени , включенный между шинами питани , первый транзистор, база которого соединена со средней точкой делител напр жени , а эмиттер через пфвый резистор - с одной шиной питани , второй транзистор, эмиттер которого соединен с другой шиной питани , база - с коллект ром первого транзистора, а коллектор с выводом второго резистора, третий транзистор, база которого через резистор соединена с первым выводом конденсатора, четвертый транзистор, . эмиттер которого третий резистор соединен с базой третьего, п тьтй транзистор и ч вертый резистор . Недостаток известного генератора малый КПД, « также невозможность ревёрсировани напр жени на нагрузке, что не позвол ет использовать его, например, в качестве преобразовател напр жени в устройствах электропитани . Цель изобретени - повьп енве КПП и расширение функциональных воамонсностей устройства путем реализации устройст ва, обеспечивающего формирование разнопол рньгх импульсов на нагрузке при Hcпользовании одного источника питани . П оставленна цель достигаетс тем, что в реверсивный генератор, содержащий делитель напр жени , включeнныймe кцyf шинами питани , первьй транзистор, база которого соединена со средней точкой делител напр жени , а эмиттер через первый резистор - с одной щиной питани второй транзистор, амигтер которого соединен с другой шиной питани , база-с коллекгором первого транзистора, Iа коллектор - с первым вьгоодом второго резистора, третий транзистор, база которого через резистор соединена с первым вьтаодом конденсатора, четвертый транзистор,, эмиттер которого через tpeтий резистор соединен с базой третьего, п тый транзистор и четвертый резистор, введены шестой транзистор, эмиттер которого соединен с шиной пшани , база с вторым выводом второго резистора и через п тый резистор с отрицательной шиной питани , а коллектор - с базойThe closest in technical essence to the present invention is a nmpup generator containing a voltage divider connected between the power buses, the first transistor, the base of which is connected to the midpoint of the voltage divider, and the emitter through a single resistor to the single power bus, the second transistor, the emitter which is connected to another power bus, the base is connected to the collector of the first transistor, and the collector is connected to the output of the second resistor, the third transistor, the base of which is connected through the resistor to the first output of the capacitor, is transistor. the emitter of which the third resistor is connected to the base of the third, five transistor and the second resistor. The disadvantage of the known generator is low efficiency, “also the impossibility of reversing the voltage on the load, which prevents its use, for example, as a voltage converter in power supply devices. The purpose of the invention is to improve the efficiency of the device and to expand the functional capabilities of the device by implementing a device that provides for the formation of different types of impulses on the load when using a single power source. The left target is achieved by the fact that the first transistor, the base of which is connected to the midpoint of the voltage divider, and the emitter through the first resistor to the same power supply, is connected to the reversible generator containing the voltage divider, connected to the midpoint of the voltage divider. with a different power bus, the base with the collector of the first transistor, Ia the collector - with the first of the second resistor, the third transistor, the base of which through a resistor is connected to the first of the capacitor, the fourth transistor ,, er The mitter is connected to the base of the third transistor, the fifth transistor and the fourth resistor through the terminal, the sixth transistor is inserted, the emitter of which is connected to the pshani bus, the base to the second output of the second resistor and the fifth resistor to the negative power bus, and the collector to the base

четвфтого транзистора и через шестойfourth transistor and through the sixth

резистор с положительной шиной питани , и два диода, шунтирующие б азо-эмиттерные переходы четвертого и п того тр«1зисторов во встречном направлении, пригa positive power supply resistor, and two diodes that shunt b azo-emitter junctions of the fourth and fifth tr < zistors in the opposite direction,

чем амиттер третьего транзистора соединедс с базой, а коллектор - с эмиттером первого транзистора, коллектор второго транзистора через четвертый резистор соединен с вторым выводом конденсатора. коллектор четвертого транзистора соедирен с положительной шиной питани , коллектор п того - с отрицательной, а его база - с коллектором второго гранзисгора. На чертеже приведена схема реверсивного генератора, Он содержит источник 1 питани , транзисторы 2-7, конденсатор 8, диоды 9 и 10, делитель напр жени на резисторах II и 12, резисторы 13 и 18 и нагрузку 19. Генератор работает следующим образом . После подачи напр жени питани от источника t током зар да конденсатора 8 транзистор 4 насыщают, запира транзисторы 2, 3, 6 и 7, Транзисторы 5 и 6 отпирают и нагрузка 19 подключаетс к шинам питани , причем левым выводом к положительной шине .(согласно чертежу), конденсатора 8 цепи шггани - транзистор 5 - резистор IS йЪараллельно включшные им резистор 11, базо-эмиттерныйпереход транзистора 4-.кон. денсатор8-резисторы 14и 17--питаjaoi , В конце зар да конденсатора 8 потенциал базы транзистора 4 приближаетс к величине, задаваемой делителем на резисторах И и 12, и транзистор выходит из насыщени . Трайзисто)ы 2 и 3 открываютс и благодар наличию положигельной обратной св зи через резистор 16 и конденсатор 8 происходит релаксационный процесс, в результате которого транзисторы 3 и 7 насыщаютс , а транзисторы 4-6 оказьгоаютс закрытыми . Пол рность напр жени на нагрузке 19 мен ют, поскольку она оказыв аетс подключенной к шинам питани по цепи транзистор 3 - диод 9 - транзистор 7. Начинают процесс перезар дки конденсатора 8 по циш + тегйп - VpaHзистор 3 - резистор 16 - резистор 15 диод 9 - транзистор 7 - - шггани .the third transistor amitter is connected to the base, and the collector is connected to the emitter of the first transistor; the collector of the second transistor is connected via the fourth resistor to the second capacitor terminal. the collector of the fourth transistor is connected to the positive power rail, the collector of the latter is connected to the negative one, and its base is connected to the collector of the second granisgor. The drawing shows a reversing oscillator circuit. It contains a power source 1, transistors 2-7, a capacitor 8, diodes 9 and 10, a voltage divider on resistors II and 12, resistors 13 and 18, and a load 19. The generator operates as follows. After supplying the supply voltage from the source t with the charging current of the capacitor 8, transistor 4 is saturated, the locking transistors 2, 3, 6 and 7, Transistors 5 and 6 are unlocked and the load 19 is connected to the power buses, and the left terminal to the positive bus. ), the capacitor 8 of the shchgani circuit - the transistor 5 - the resistor IS and the resistor 11 connected in parallel to them, the base-emitter junction of the transistor 4-.con. capacitor 8 resistors 14 and 17 are pitjaoi. At the end of the charge of capacitor 8, the base potential of transistor 4 approaches the value set by the divider on the resistors And and 12, and the transistor goes out of saturation. The triangle 2 and 3 are opened and due to the presence of positive feedback through the resistor 16 and the capacitor 8, a relaxation process occurs, as a result of which transistors 3 and 7 become saturated and transistors 4-6 turn out to be closed. The polarity of the voltage on the 19 is changed, because it turns out to be connected to the power lines through the transistor 3 - diode 9 - transistor 7. Begin the process of reloading capacitor 8 by cis + tag - VpaH resistor 3 - resistor 16 - resistor 15 diode 9 - transistor 7 - - shggani.

3 1О262863 1О26286

В процессе перезар да потешшап базыЗи 7 окаэываютс -запертьгми, а 4-6 оттр&взистора 4 мен ют от Е + Vt до крытыми. Далее процессы повтор ютгде Vt) потшциал, задаваемый делите-«с .In the process of reloading, the baseball of base 7 and 7 are locked-in, and 4-6 lines & 4 are switched from E + Vt to covered ones. Further processes repeat where Vt) is defined by the divide- “c.

лем йа резисторах II и 12, В конце пе-Преимуществамипредлагаемогоустройстреэар да транзистор. 4 оп ть отпирают,S ва вл ютс получение определенной фапроисходит обратный релаксационныйзы генерации или подаче напр жени пифоцвсс , после которого транзисторы 2,тани и больша нагрузнв способность.Lemme resistors II and 12, at the end of the ne-benefits of the proposed device, the power of the transistor. 4 is unlocked again, S va are getting a certain degree, a reverse relaxation occurs, either generating or applying a pythacVs voltage, after which transistors 2, tannins and a large capacity.

Claims

REVERSE GENERATOR containing a voltage divider connected between the power lines, the first transistor, the base of which is connected to the midpoint of the voltage divider, and the emitter through the first resistor with one power line, the second transistor, the emitter of which is connected to another power line, the base with the collector the first transistor, and the collector with the first output of the second resistor, the third transistor, the base of which is connected through the resistor to the first output of the capacitor, the fourth transistor, the emitter of which is connected through the third resistor with the base of the third, the fifth transistor and the fourth resistor, characterized in that, in order to increase the efficiency of the device and expand its functionality, a sixth transistor is introduced into it, the emitter of which is connected to the power bus, the base - with the second output of the second resistor through the fifth resistor with a negative power bus, and the collector with the base of the fourth transistor, and through the sixth resistor with a positive, power bus, two diodes, shunt-based base-emitter junctions of the fourth and fifth transistors in the opposite direction In this case, the emitter, g of the third transistor is connected to the base, and the collector to the emitter of the first transistor, the collector of the second transistor through the fourth resistor is connected to the second output of the capacitor, the collector of the fourth transistor is connected to the positive power bus, the collector of the fifth to the negative, and its base - with the collector of the second transistor.

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1026286 2 is connected to the power bus, the base with the second terminal of the second resistor and through the fifth resistor with the negative power bus, and the collector with the base 5 of the fourth transistor and through the sixth resistor with the positive power bus,. and two diodes, shunting the base-emitter junctions of the fourth and fifth transistors in the opposite direction, with • 10. than the emitter of the third transistor connected to the base, and the collector to the emitter. of the first transistor, the collector of the second transistor is connected to the second output of the capacitor through the fourth resistor, the collector of the fourth transistor is connected to the positive supply bus, the collector of the fifth to negative, and its base to the collector of the second transistor. , The drawing shows a diagram of a reversible generator.

It contains a power source 1, transistors 2-7, a capacitor 8, diodes 9 and 10, a voltage divider across resistors 11 and 12, resistors 13 and 18, and a load 19.

The generator operates as follows.

After applying the supply voltage from source 1 to the charge current of capacitor 8, transistor 4 is saturated, locking transistors 2, 3, 6 and 7, transistors 5 and 6 are unlocked, and load 19 is connected to the power buses, with the left terminal to the positive bus (according to the drawing). The charge of the capacitor 8 goes _(the food chain - transistor 5 - 15 minutes resistor connected in parallel to them resistor 11 Bazo-emitter junction of transistor 4, capacitor 8 - Resistors 14 and 17 - when used to power the load ₄₀ ,,, Nia, the end the charge of the capacitor 8, the base potential of the transistor 4 approaches the value specified by the divider on the resistors 11 and 12. Transistors 2 and 3 open and due to the positive feedback through the resistor 16 and the capacitor 8, a relaxation process occurs, as a result of which the transistor Cores 3 and 7 become saturated, and transistors 4-6 turn out to be closed, and the voltage polarity at load 19 changes, since it turns out to be connected to the power buses through the circuit transistor 3 - diode 9 - transistor 7.

Begin the process of recharging the capacitor 8 through the power supply - transistor 3 - resistor 16 - resistor 15 diode 9 - transistor 7 - * - · power.