RU22879U1 - ULTRASONIC AEROSOL APPARATUS, ULTRASONIC SPRAYER AND HIGH-FREQUENCY OSCILLATIONS GENERATOR FOR ITS IMPLEMENTATION - Google Patents

Abstract

1. An ultrasonic aerosol apparatus comprising a housing, an ultrasonic atomizer, including a liquid container with a piezoceramic emitter for spraying and outputting an aerosol connected to a high-frequency oscillation generator, a power supply unit, including an adapter, a control unit, characterized in that the ultrasonic atomizer is provided additionally an autonomous low-voltage power supply and is made portable, removable and portable. 2. The ultrasonic aerosol apparatus according to claim 1, characterized in that the high-frequency oscillation generator is made in the form of a relaxer. The ultrasonic aerosol apparatus according to claim 1 or 2, characterized in that the autonomous low-voltage power supply is made with a voltage of not more than 9V or is made in the form of a battery pack. The ultrasonic aerosol apparatus according to claim 1 or 2, or 3, characterized in that a battery charging device is introduced, said device and a control unit are installed in the housing, the housing being made in the form of a stand with a recess for installing an ultrasonic atomizer with the possibility of connecting its electrical contacts to the electrical contacts of the control unit and the battery charging device, which are brought into the indicated recess. 5. Ultrasonic aerosol apparatus according to any one of claims 1 to 4, characterized in that the liquid container is removable and replaceable with the possibility of use for inhalation or aeration. 6. An ultrasonic atomizer containing a liquid container with a piezoceramic emitter for spraying and outputting an aerosol connected to a high-frequency oscillation generator, characterized in that the generator

Description

2001135314 111111 1SH111111111111 SH11 SH1111111 111SH IlQ A NOZV5 / 36 ultrasonic nebulizer, ultrasonic nebulizer and a generator of high frequency oscillations FOR CARRYING Useful Madeleine otnoeiteya to meyi ine- and radietahnika, WMS & t be used & ultrasonic aerosol aplaratzh, portable inhalers, handheld sprayers for aerosol therapy or aerophytotherapy, the creation of mzhrokliidat, the use of aromatherapy, moisturizing rooms with dry air. Dollt & c of n / v fMTiLamiLd. PPP11H-IARHM P-PSH- plp & ys - dshg l 1 gip r krODv / v GSP yyyy si 1/11 vtr CrOUwOtrrgDriDirrriwttijriwDVrt yyyy / t SKT / hl Portable I / O, aerosol dispenser, airless including a container for spraying and aerosol withdrawal, connected to the control unit and power supply (see aerosol inhaler for one patient, development, Moscow open-primioioio -499§). A disadvantage of the known inhaler is the impossibility of obtaining a finely dispersed aerosol with particle sizes of the order of 0.5 μm, the inconvenience of use is for bedridden patients (long connecting electrical wires are attached). Known ultrasonic inhaler for the treatment and prevention of diseases of the respiratory system, colds, humidification and aromatization of air, comprising a housing and an ultrasonic atomizer integrated therein, including a liquid container with an ultrasonic emitter for spraying and outputting an aerosol connected to a high-frequency oscillation generator, a power supply unit control (see individual ultrasonic inhaler - development of firms of the Research Institute of Physics at the RSU and Ultrasound LLP (Rostov-on-Don) IzoMed, open application - 1998). Known ultrasonic aerosol apparatus for the treatment and prevention of diseases of the respiratory system (pneumonia, bronchitis, asthma, acute respiratory infections, etc.), comprising a housing and an ultrasonic nebulizer built into it, including a liquid container with an ultrasonic emitter for spraying and removing the aerosol connected with high-frequency oscillator, network unit 5 & 5 „1

power supply unit ur1 {avleniya (ew. yjTbTf asByKOBW inhaler-OREOIA - developed by IzoMed, Moek & a, open-application: -1998).

tj uKetZOGNYh TKHNICHISkil p LUnCe Frpwfl jrvnnt / i Ellto h / h Digtspis

ultrasound of the nebulizer in the case and the power supply of the generator of high-frequency oscillations of the atomizer from the alternating current network with a voltage of 220/50; 60 V. Thus, the disadvantages of the known ultrasonic aerosol apparatus in cumbersome design are significant to the consumption of electricity, the inconvenience of using for bedridden patients, the impossibility of use in the absence of an alternating current .

Known-ultrasonic aerosol-apparatus dpya-inhalation during 1st treatment and prevention of respiratory diseases; containing an ultrasonic atomizer; in addition, the remaining capacity of DPA liquid with an ultrasonic emitter for spraying and removing the rosol connected to a high-frequency oscillation generator, control unit (see patent US 5063922, IPC A61Y1 / 00, publ. 12. PLA91).

In the known technical solution, a detachable connection is provided for the ultrasonic atomizer — with a control unit and power supply — for the generator of frequency-frequency oscillations of the atomizer from the AC mains. The disadvantages of the known ultrasonic aerosol apparatus include:

- bulkiness of the structure;

- the inconvenience of using for sick patients (long connecting electric wires are used);

- inability to use when there is no AC mains.

A common disadvantage of all of these known technical solutions is that they do not allow the sprayer to be powered from low voltage x DC sources; This makes it difficult to move, transfer, operate ultrasound gland.

Known ultrasonic nebulizer for inhalation of inhalation for the treatment and prevention of respiratory diseases, including the general capacity of dpi liquid with an ultrasonic emitter for spraying and outputting an aerosol connected with a generator of high-frequency oscillations performed with the possibility of

power supply from its current tomo current number (ewh patent US 50 & 3 & 22, 1ShK A & 1 LI / 00,

p1ubya.12. PL901).

The disadvantage of the known technical solution & cumbersome design and neobraz / southeast14- zheleetrohtaniya sprayer from low-voltage DC sources.

A known ultrasonic generator for an aerosol disintegrator configured according to a transistor circuit, with a short circuit of bias is the least bias circuit of the formation unit W active element (see, US Pat. No. 4790479, A & SH15SCh Vy5 & 17Yu6, Pugh. Sh2.88G.).

The disadvantage is the use of a circuit with a significant number of constructive ELOM01 ITO &, which reduces reliability and increases the size of the general. In addition, it is impossible to stanch these generators from low-voltage sources of atoyanoshitok.

A known generator for a piezoceramic emitter is an ultrasonic inhaler comprising a series-connected bias unit, a unit

fhA nbJilJinAP UIMq 1L l / TtJom 1M LPA1UL MTffajAni- Tn LLLIMfLILIV. 1 U TLTC LlL U - 111 | dts /

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connected to the first output of the coordination block and the second conclusions of the active electromagnet and the power supply unit 1il, the third output of which is connected to the power supply (see circuits of the generator of an ultrasonic inhaler Musson, Ultrasound LLP, Rostov-on-Don, open application 1999, scheme electrical principle - - mAa.a36L06-02EZ).

The disadvantages of the known device are:

- low efficiency, due to the use of an active element in the main transistor, operating in the AV mode;

-the need to use a feedback transformer, winding circuit elements with a significant number of reliability elements and increases the size of the generator;

-the generator cannot work with significant changes in the supply voltage, while maintaining efficiency, in connection with the proposed implementation of the bias circuit;

.r3 / y

- it is necessary to use the increased output of the output transformer; when powered by low-voltage sources, it complicates its 1-trip, reduces the convenience of operation.

The indicated shortcomings of the anashro & and- prototype- do not allow “t to fulfill a small-sized generator with high efficiency.

The utility model solves the problem of creating an ultrasonic aerosol pump, working both from a network of alternating current and low-voltage direct current sources, which will simplify its use for treatment purposes, and to profile diseases (especially bedridden patients}, create a microclimate, and increase ease of use.

The utility model solves the problem of creating a universal portable portable ultrasonic atomizer operating as part of an ultrasonic aerosol device from an alternating current main through an adapter or autonomously for at least 30 minutes without recharging from low-voltage direct current sources, which allows it to be transported to the place of operation at the required time , used as a pocket inhaler at work in the train, plane and in other necessary situations.

The utility model solves, in addition, the task of creating a reliable small-sized ultrasonic generator of the atomizer, with high efficiency and powered by an alternating current through an adapter or from low-voltage direct current sources.

This object is achieved in that in an ultrasonic aerosol apparatus comprising a housing, an ultrasonic atomizer including a liquid container with an ultrasonic emitter for atomizing and discharging aerosol connected to a high-frequency oscillation generator, a power supply unit, including an adapter, a control unit, an ultrasonic atomizer It is additionally equipped with an atomic low voltage, a source of shoving and. made portable, removable and portable.

It is advisable to perform a generator of high-frequency oscillations in the form of a relaxer.

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It is advisable to introduce the battery charge device indicated

the device and the control unit — install the corolla in the coruset; mount the corlus in the form of a stand with a recess for installing the ultrasonic atomizer with the possibility of connecting EC contact points ic brought into the indicated recess of the electrical contacts of the control unit and the battery charge devices.

Preferably, the capacity for the liquid is removable and interchangeable with possible use for inhalation or aeration.

The task is achieved by the fact that in an ultrasonic atomizer containing a liquid container with piezoceramic, after atomization and aerosol output connected to a high-frequency oscillation generator, the high-frequency oscillation generator is made in the form of a relaxer including a field-effect transistor with an isolated gate, and the power supply from low voltage direct current source.

Preferably, the power source is made with a charge of not more than 9 & or performed as a battery pack.

It is advisable to use an ultrasonic spray gun with the possibility of installing a low-voltage direct current source in it.

Preferably, the capacity for the liquid in it is removable and removable with the possibility of use when inhaling or aeration.

The problem is achieved by the fact that in the high-frequency oscillation generator containing a bias unit connected in series: shaping lock and active element, low-pass filter, core: bus connected to the first output of the matching unit and to the second conclusions of the active element and the bias unit the output of which is connected to the supply bus, the active element is connected to the third output from the second output of the matching circuit, the third and fourth outputs of which are connected respectively to the supply bus and the filter input bottom their frequencies, the output of which is the output terminal of the DNP device connecting a load, including piezoceramic izduchatelya.

the base of the second transistor and the first terminals of the first transformer tf of the first capacitor is connected to the base with the co-selector of the second transistor and the first terminal of the second resistor, the connection point of the second pin of the second resistor with the first terminals of the second capacitor and the third resistor is the second terminal of the bias unit; the third output of which is the connection point of the emitter of the second transistor with the second conclusions14 of the first resistor and the first capacitor, the output of the bias unit is the connection point of the second output of the third resistor with the collector of the first transistor and the second output of the second capacitor. Preferably, the forming unit is in the form of inductance. It is advisable to carry out the active element in the form of a field-effect transistor with an isolated gate, a gate, a source, which stand are its first second and third conclusions, respectively. It is advisable to perform a low-pass filter in the form of inductance. The analysis of the prior art, including the search for patent and scientific and technical sources of information, and the identification of sources containing information about analogues of the claimed utility model, allows us to establish that the applicant has not detected technical practices characterized by signs identical to all the essential features of the declared clearing models. The determination, from the list of identified analogues of the prototype, allowed us to identify a set of essential (relative to the technical result perceived by the applicant) distinctive lrnznakov in the claimed object, set forth in the utility model formula. SPRPG PPTRP-IP nnnQ 4Jori lJU riCUni RLGGGPSDG ТШ / wJ IDriL /, OCiTlD / iTldVICi GGSLGYUOPS171 nftWpJUJlO t / v iDC rv iDjrC i powuDCtrirlnJ novelty to the current legislation Fig. 1 shows an ultrasonic aerosol device for operating an ultrasonic nebulizer using an AC adapter erya; in Fig. 2. shows a housing made in the form of a stand; in Fig. 3 shows an ultrasonic nebulizer when operating from a low-voltage DC source; in Fig. 4 shows a container for inhalation; in Fig. & shows a container for receiving aerosol by means of figure 1, Fig. & affixed to circuit 6, a generator and a few coils for piezoceramic emitter; Fig. 7 m lAO-u-OU-O. OnOI / THMUA I / OO PVOJULO. GOMf P TGUGU DU.If AUf LlOf TATt-IU4Y IfOnr f nHMM LiO smG rv G1chL S1oaGTa OJ 1i1 Grk1lSgi1 S17t t / ACTwcr rwnC | Ju IU | JCI LjDiWwIvUTUlLi IXrrriDiA nXirlwUctr IflIrl, gtsg CprM, U-shape represented redakeatsionnyh koshoany generator dpdreeekeramichsakogo izduchatelya . The ultrasonic aer & ash ashtrate contains Kopfiye & truss stands with coal 1IOM 2, an ultrasonic discharger S e with pieceramic emitters 4, made removable, nepeHocHbtw, containers (firm 4,5}, having at the bottom there are corresponding-outlets-7, & removable, removable from a transparent material with the possibility of a sealed ceramic-ceramic emitter 4 for spraying liquid; the container - & has a mouthpiece 9 for output - aerosol - and can be used for inhalation In the case - it is possible to hold a battery and an ulra block Deepening 2 in the housing-4 is intended for installation of an ultrasonic atomizer ;; with the possibility of connecting its electrical contacts located on the base to the electrical contacts 1 &, respectively, of the control unit and the battery charging device. Piezoceramic emitter 4 is connected to Vitol can be installed in the form of a relaxer-generator of high-frequency oscillations- (Fig.6d, 7K installed in the atomizer housing 3 with the possibility of pouring from a mains power supply unit, adapter, or an autonomous low-voltage source constant Toija power supply, additionally installed in the housing of the ultrasonic atomizer 3. In this case, the ultrasonic atomizer 3 is made portable, portable. An autonomous source of low-voltage lithium can be made with a voltage of not more than 9V (from 4 to 9 V), a consumption current of not more than 1.5 A (from 0.8 A to 1.5 A) or made in the form of a battery pack with a capacity of not more than A / hour with the possibility of continuous operation for at least 30 minutes without recharging, I gri autonomous use- ultrasonic atomizer j- contains a container 5 (or 6) - for liquid, hermetically mounted on a piezoceramic radiator- 4 for spraying and withdrawing aerosol connected with a generator 10 high-frequency oscillations, made in the form of a video aksatora FET and izolirovanvm gate and the possibility of a low-voltage power supply 11 April -

and the source voltage is not whiter- & B- (& even more, from 4 d & 9 V}, while the grating is not more than-1, & A (especially, from OD yes, 5 A) - or highlighted as block-capacious no-more-OD A / hour.

The oscillating oscillator M. contains the oscillating block b, connected in series 7 to the forming unit 14, made in the form of an inductance Ш, and an active element Ш, configured to operate in key mode with a duty cycle of two (T / t 9 2, where t pulse time, T - pulse period} in the form of a field-effect transistor: 17 with an isolated gate (MOSFET transistor}, a gate, a source, the drain of which is respectively the era of the first second and third era outputs, and a low-pass filter 18 made in the form of inductance and 19, a common bus 20 connected to the first terminal of the matching unit 21 and to the second terminals of the active bias element Id and the IS block, the third terminal which is connected to the power bus 22, the active element t & is connected to the third terminal and the second terminal of the matching unit 21, the third and fourth conclusions of which are connected respectively to the power bus 22 and the input of the low-pass filter 18, the output of which 23 is the output terminal of the device (for connecting the piezoceramic emitter 4).

It is worthwhile to make the mixing unit 3 in the form of two transistors -24.25, three resistors 2 &, 27, 2 & two capacitors -29.30, and the first transistor 26 is connected by an emitter to the base of the second transistor 25 and the first terminals of the first resistor-26 and the first capacitor 29, the base is connected to the collector of the second transistor - 2 & and the first way out of the second p of the resistor 27, the connection point - of the second terminal of the second resistor 27 with the first terminals of the second capacitor 3 & and the third resistor 28 is the second output of the bias unit W, the third terminal of which is As for the connection of the emitter of the second transistor 25 with the second terminals of the first resistor 2 & and the first capacitor 29, the output of the bias unit 13 is the connection point of the second terminal of the third p of the resistor 28 with the collector of the first transistor 24 and the second terminal of the second capacitor 30.

matching, the second and fourth output of which is the connection point of the second terminal of the first capacitor 32 and the first terminals of the inductance 31 and the second capacitor 33. The connection point of the second terminals of the inductance 31 and the second capacitor 33 is the third terminal of the matching unit 21. Thus, the generator is assembled on the field-effect transistor 17 according to the relaxator circuit, the gate of the field-effect transistor 17 is connected through an inductance 15 of the frequency-setting circuit, the capacitance of which is the interelectrode capacitance of the field-effect transistor 17, with the output of the power unit 43 assembled on transistors 24.2 &, resistor 2 &, 27, On 28 capacitors, the drain of the field-effect transistor 17 is connected to a coordinator tpw consisting of inductors and 32-capacitors 32.33, the output of which is connected to the inductance W of the filter and low frequencies, the capacitance of which is the tween capacitance of the piezoceramic emitter 4 connected to the output kpommo 23. Ultrasonic aerosol apparatus works as follows. The ultrasonic atomizer 3 is installed in the recess 2 of the housing I (Fig. 1) and is powered by a network adapter. In a removable position (fig.Z): the ultrasonic spray-3 can work autonomously from a low-voltage direct current source (batteries) for 30 minutes without recharging. At the same time, the portability of the spray-3 allows you to take-era with you on a trip, to work, transfer to a bed patient, which ensures the convenience and comfort of inhalation procedures.If necessary, the ultrasonic nebulizer-3 is inserted into the recess 2 of the housing A and if connected, it is connected to the charge device. ultrasonic frequency (12 & kHz) from the generator 12 high-frequency oscillations are supplied to a gyrocoramic emitter 4. Spraying the liquid preparation the axis is generated in a focused beam of powerful ultrasound.The high oscillation frequency makes it possible to obtain aerosols of water-soluble and oil preparations with particle diameters of 0.5-1 microns. The volume of pouring liquid for spraying can vary from 15 to 150 milliliters. Using a set of removable removable containers 455 (Fig. 4,5) of various capacities, it is possible to quickly carry out a spray of liquids. 9. For inhalation, essential oils such as peppermint, lavender, sapphire, anise, fenhepeva, and other poppies can be used. The ultrasonic aerosol apparatus is noiseless in operation and easy to install. The aerosol can be easily disassembled and disinfected. The generator 12 high-frequency oscillations for the piezoceramic emitter 4 operates as follows. When applying voltage to the input terminals 20,22 (Fig. 6,7), the bias unit 13 supplies voltage to the inductance terminal 15 (with the third resistor 28 you can select the necessary bias level for the implementation of relaxation oscillations), through the inductance 15 the voltage is supplied to the field gate transistor 17, through in /: inactivity 31, the voltage from the terminals 20.22 is applied to the drain of the field-effect transistor t7. The generator 2, assembled on a field-effect transistor 17, inductances 15, 31, capacitors 30, 33, 32 begins to produce relaxation oscillations, the shape of which is shown in Fig. 8, and the oscillation frequency is determined by the inductance 15 and the gate-source interelectrode capacitance of the field-effect transistor 17. Form oscillation is determined by the parameters of the matching circuit, consisting of inductance 31, capacitors 33, 32. The voltage from the terminal of the drain of the field-effect transistor 17 is supplied through the inductance 19 to the piezoceramic emitter 4 ,. when inactivity 19 serves as a choke of the Low-shaped Filter 18, the capacitance of which is the intrinsic capacity of the piezoceramic emitter 4. The advantages of the proposed generator are: -in more efficient efficiency, due to the use of a field-effect transistor (field-effect transistor works in mode C, as in the prototype ); -in simplicity (no feedback transformer) and the minimum number of winding elements; -in a smaller total number of elements, which increases efo reliability, - in the possibility of f 6oTbf generator PRK 31 in the first 1 changes in the supply voltage, while preserving the KGS due to the use of a stabilizer of mixing of the proposed design (from 4 to 9V); 10D // ЗЗЗ /, relaxation mode of operation (you can use a switch to switch the receiver to the current voltage and the SE at a supply voltage of 4V). The control unit — an ultrasonic aper & power unit — has a number of service operating modes that allow you to pre-set the duration of the procedure, control the duration of the procedure, and manage the charge of the battery & arari. The generation of small droplets with a large penetrating power suggests using an inhaler for the treatment of open wounds, burns, skin diseases and eye diseases. The proposed ultrasonic apparatus and ultrasonic nebulizer are applicable in ophthalmology from larinrolo1CH4i, traumatology for conducting individual aerosol therapy or aerophytotherapy to patients both in the conditions of medical treatment in clinics, in production and office premises, in sanatoriums of Prosrilaktoria, in residential and child care facilities, and in aerosol therapy - with the help of 1 medicinal mixtures obtained in the form of an aerosol for the treatment and prevention of diseases of the respiratory system s (pneumonia, bronchitis, laryngitis, tracheitis, alveolitis, asthma QP3 and p4 reducing mental and physical stress, preventing the development of diseases of the nervous and cardiovascular systems, treating open wounds, burns, skin and hair diseases, eye diseases, creating microclimate, the use of aromatherapy - improving the air environment by spraying phytoncides of irrigation plants and emulsions of essential oils, moisturizing rooms with dry air, for the prevention of diseases caused by inhalation of dusty or contaminated on industrial air emissions. Great productivity and the possibility of continuous or autonomous operation allow it to be used for humidification and purification of air while flavoring it in production rooms, herbal medicine rooms, for spraying disinfectants in treatment rooms and other hospital rooms, for disinfecting hands at surgeons. eleven,

especially useful in day care centers. The known effect of aerosol procedures for normalizing pressure, improving the environmental situation, blocking allergic reactions is known.

Ultrasonic aerosol aggregate and ultrasonic atomizer are easy to use, portable.

High reliability and small dimensions of the proposed generator are important when it is used to create portable (portable, handheld ultrasonic nebulizers for various purposes, powered by either an adapter or a low-voltage power supply, including mixed batteries).

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Claims (14)

1. An ultrasonic aerosol apparatus comprising a housing, an ultrasonic atomizer, including a liquid container with a piezoceramic emitter for spraying and outputting an aerosol connected to a high-frequency oscillation generator, a power supply unit, including an adapter, a control unit, characterized in that the ultrasonic atomizer is provided additionally an autonomous low-voltage power supply and is made portable, removable and portable.  2. The ultrasonic aerosol apparatus according to claim 1, characterized in that the high-frequency oscillation generator is made in the form of a relaxer.  3. The ultrasonic aerosol apparatus according to claim 1 or 2, characterized in that the stand-alone low-voltage power supply is made with a voltage of not more than 9V or is made in the form of a battery pack.  4. The ultrasonic aerosol apparatus according to claim 1 or 2, or 3, characterized in that a battery charging device is introduced, said device and a control unit are installed in the housing, the housing being made in the form of a stand with a recess for mounting an ultrasonic atomizer with the possibility of connecting its electrical contacts to the electrical contacts of the control unit and the battery charging device outputted to the indicated recess.  5. Ultrasonic aerosol apparatus according to any one of claims 1 to 4, characterized in that the liquid container is removable and replaceable with the possibility of use for inhalation or aeration.  6. An ultrasonic atomizer containing a liquid container with a piezoceramic emitter for spraying and outputting an aerosol connected to a high-frequency oscillation generator, characterized in that the high-frequency oscillation generator is made in the form of a relaxer, including a field effect transistor with an insulated gate, with the possibility of power supply from low voltage direct current source.  7. The ultrasonic atomizer according to claim 6, characterized in that the low-voltage DC power supply is made with a voltage of not more than 9V or made in the form of a battery pack.  8. The ultrasonic atomizer according to claim 6 or 7, characterized in that it is made with the possibility of installing a low-voltage direct current source in it.  9. The ultrasonic nebulizer according to any one of claims 6 to 8, characterized in that the liquid container is removable and replaceable with the possibility of use for inhalation or aeration.  10. A high-frequency oscillation generator comprising a bias unit, a forming unit and an active element, a low-pass filter, a common bus connected to the first terminal of the matching unit and to the second terminals of the active element and the bias unit, the third terminal of which is connected to the power bus, characterized in different the fact that the active element is connected by the third output to the second output of the matching unit, the third and fourth conclusions of which are connected respectively to the power bus and the input of the low-pass filter, the output of which th output terminal is a device for connecting the load, including the piezoceramic transducer.  11. The generator of claim 10, characterized in that the bias unit is made in the form of two transistors, three resistors and two capacitors, the first transistor being emitter connected to the base of the second transistor and the first terminals of the first resistor and first capacitor, the base connected to the collector of the second transistor and the first terminal of the second resistor, the connection point of the second terminal of the second resistor with the first terminals of the second capacitor and the third resistor is the second terminal of the bias unit, the third terminal of which is the point c the emitter of the second transistor is connected to the second terminals of the first resistor and the first capacitor, the output of the bias unit is the connection point of the second terminal of the third resistor with the collector of the first transistor and the second terminal of the second capacitor.  12. The generator of claim 10 or 11, characterized in that the forming unit is made in the form of inductance.  13. The generator according to any one of paragraphs.10-12, characterized in that the active element is made in the form of a field effect transistor with an isolated gate, a gate, a source, the drain of which are its first, second and third terminals, respectively. 14. The generator according to any one of paragraphs.10-13, characterized in that the low-pass filter is made in the form of inductance.