CN206060539U - A kind of high-frequency electronic pipe booster circuit - Google Patents
A kind of high-frequency electronic pipe booster circuit Download PDFInfo
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- CN206060539U CN206060539U CN201620904230.5U CN201620904230U CN206060539U CN 206060539 U CN206060539 U CN 206060539U CN 201620904230 U CN201620904230 U CN 201620904230U CN 206060539 U CN206060539 U CN 206060539U
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Abstract
The utility model proposes a kind of high-frequency electronic pipe booster circuit, it is characterised in that：With DC voltage input end, specifically include electron transistor A, inductance L1, audion Q1, Q2, high frequency transformer T1, electric capacity C8, electrochemical capacitor C11, resistance R4 and R5, first primary side winding of high frequency transformer T1 has terminals one, two and three, second primary side winding has terminals four and five, first vice-side winding has terminals six and seven, electrochemical capacitor C11 is connected between the terminals six and seven, the colelctor electrode of audion Q1 connects the terminals one, and its base stage is connected to the DC voltage input end；The colelctor electrode of audion Q2 connects the terminals three, and its base stage is connected to the DC voltage input end；The base stage of audion Q1 is connected to the terminals four via electric capacity C8, and the base stage of audion Q2 is connected to the terminals five, and filament the two poles of the earth of electron transistor A are connected to the DC voltage input end and ground terminal respectively, and its anode connects electrochemical capacitor C11.
Description
Technical field
This utility model is related to a kind of high-frequency electronic pipe booster circuit.
Background technology
The power amplifier of stereo set is for being amplified the ultra-weak electronic signal from signal source with drive the speaker
Sound is sent, which can be understood as an energy transducer；From for prior art and use demand, power amplifier is required
For low consumption, high reliability and be conducive to improving sound system indices；However, existing discharge-tube amplifier is truly write
According to being " heaviness, power consumption, tonequality are well ", discharge-tube amplifier the requirement of " environmental protection " is not met in this.Sound
The technology for ringing amplifier focuses on power supply, the sound that the power supply having had can just go out, and is that prime amplifies acquisition high-fidelity with height
The key of signal to noise ratio；So, one " big energy, high speed, the unrippled, power supply of zero internal resistance " be that we are pursued
Ideal goal.
The technical barrier faced by audifier power supply is：
1）When electron tube works, under conditions of filament will be fully warmed-up and require to be operated in low-voltage, high current；And remove lamp
Silk is outer, and in the state of electron tube operates mainly in high voltage small current, for this powers to voltage stabilizing, difficulty is increased.
2）Prime mainly be responsible for low level signal amplification, high gain, if easily catching AC noise using Alternating Current Power Supply, this is to carrying
High s/n ratio is totally unfavorable.And under the current current situation of power supply of China, it is ensured that the output of mains transformer is always maintained
Also there is certain difficulty in 6.3V.It is known that filament power supply instability will highly impact the life-span of electron tube.
3）Either directly-heated type or heater-type tube, are worked by thermionic emission.In order to strengthen emission of cathode
The ability of electronics, typically can be coated with the oxide of thin layer in cathode surface, and this coating can not possibly accomplish very uniform, thick
More greatly, heating is also big for ground resistance per square；If voltage is too low, the power of heating does not reach setting, and negative electrode just cannot be normal
At a temperature of work, it is easy to cause hot-spot and be damaged.When the electric current of negative electrode is not enough, these have negative temperature system
The resistance of several oxide layers will be bigger.If screen positive pressure is often constant, grid is input into a big signal, where as a result applying thickness
As resistance is larger, when screen stream flows through, heating is bigger, so as to by the more electronics of anode " siphoning away ", to meet the need of screen stream increase
Will, so being easily caused the evaporation of negative electrode local excessive when filament voltage is too low on the contrary and being damaged.If instead heating voltage
Too high, the evaporation of whole cathode surface layer oxide can also be accelerated, and can shorten the life-span of electron tube again.
Utility model content
Based on the content referred in background technology, the utility model proposes a kind of high-frequency electronic pipe booster circuit, with to straight
The innovative technology that stream low-voltage high-frequency amplifies solves the powerup issue of discharge-tube amplifier, there is provided low-power consumption, reliable and stable power supply
Scheme, its particular technique content are as follows：
A kind of high-frequency electronic pipe booster circuit, which has a DC voltage input end, circuit specifically include electron transistor A,
Inductance L1, audion Q1, audion Q2, high frequency transformer T1, electric capacity C8, electrochemical capacitor C11, resistance R4 and resistance R5, the height
Frequency power transformer T1 has the first primary side winding, the second primary side winding and the first vice-side winding, and first primary side winding has wiring
End one, terminals two and terminals three, second primary side winding have terminals four and terminals five, and first vice-side winding has
There are terminals six and terminals seven, electrochemical capacitor C11 is connected between the terminals six and terminals seven, to as overall electricity
The confession electricity output on road, seven earth terminal of terminals；The colelctor electrode of audion Q1 connects the terminals one, its grounded emitter
End, its base stage are connected to the DC voltage input end；The colelctor electrode of audion Q2 connects the terminals three, its grounded emitter
End, its base stage are connected to the DC voltage input end；The base stage of audion Q1 is connected to the terminals four via electric capacity C8,
The base stage of audion Q2 is connected to the terminals five, and it is defeated that filament the two poles of the earth of electron transistor A are connected to the DC voltage respectively
Enter end and ground terminal, its anode connects electrochemical capacitor C11；Inductance L1 be connected to the DC voltage input end and terminals two it
Between.
In the middle of one or more embodiments of the present utility model, at the terminals six, diode D2 is provided with.
In the middle of one or more embodiments of the present utility model, the base stage of audion Q1 is connected to via resistance R4
The DC voltage input end, the base stage of audion Q2 are connected to the DC voltage input end via resistance R5.
In the middle of one or more embodiments of the present utility model, audion Q1 and audion Q2 is NPN type pipe.
In the middle of one or more embodiments of the present utility model, the access voltage magnitude of the DC voltage input end is
12V。
Compared with prior art, its advantageous exists this utility model：Front stage circuits access DC low-voltage and effectively can keep away
Exempt to catch the noise in electric main, this is extremely crucial to improving signal to noise ratio；Meanwhile, the negative electrode for electron tube is provided surely
Fixed DC voltage, contributes to lifting the performance and service life of electron transistor, overcomes traditional scheme due to cathode voltage
Unstable and the mistake cause thermal damage of cathode oxidation coating that causes or too fast consumption.The present invention is that possess technical, practicality and economy
The technical scheme of property, is adapted to promote the use of.
Description of the drawings
Schematic diagrams of the Fig. 1 for traditional low-frequency electron tube power supply circuits.
Fig. 2 is the schematic diagram of high-frequency electronic pipe booster circuit of the present utility model.
Specific embodiment
Below in conjunction with accompanying drawing, application scheme is further described：
Referring to accompanying drawing 1, traditional low-frequency electron tube power supply circuits, its input are direct-connected 220V civil powers, have an aptitude to friendship
Flow noise, this is totally unfavorable to improving signal to noise ratio；And under the current current situation of power supply of China, it is ensured that low-frequency transformer
Output voltage maintain 6.3V and also have certain difficulty, filament power supply instability will highly impact the life-span of electron tube.
Referring to accompanying drawing 2, high-frequency electronic pipe booster circuit of the present utility model, which has DC voltage input end, circuit tool
Body includes electron transistor A, inductance L1, audion Q1, audion Q2, high frequency transformer T1, electric capacity C8, electrochemical capacitor C11, electricity
Resistance R4 and resistance R5, high frequency transformer T1 have the first primary side winding, the second primary side winding and the first vice-side winding, and this first
Primary side winding has terminals one, terminals two and terminals three, and second primary side winding has terminals four and terminals five,
First vice-side winding has terminals six and a terminals seven, electrochemical capacitor C11 be connected to the terminals six and terminals seven it
Between, to the confession electricity output as integrated circuit, seven earth terminal of terminals；The colelctor electrode of audion Q1 connects the terminals
One, its grounded emitter end, its base stage are connected to the DC voltage input end；The colelctor electrode of audion Q2 connects the terminals
Three, its grounded emitter end, its base stage are connected to the DC voltage input end；The base stage of audion Q1 connects via electric capacity C8
The terminals four are connected to, the base stage of audion Q2 is connected to the terminals five, and filament the two poles of the earth of electron transistor A connect respectively
In the DC voltage input end and ground terminal, its anode connects electrochemical capacitor C11；Inductance L1 is connected to the DC voltage and is input into
Between end and terminals two.
Preferably, diode D2 is provided with the terminals six, the base stage of audion Q1 is connected to this via resistance R4
DC voltage input end, the base stage of audion Q2 are connected to the DC voltage input end via resistance R5, audion Q1
It is NPN type pipe, such as D965 audions with audion Q2, the access voltage magnitude of the DC voltage input end is 12V, according to reality
The transformation ratio of situation Design of Transformer is producing the direct current voltage supply of 120-300V.
Above-mentioned preferred implementation should be regarded as the illustration of application scheme embodiment, all and application scheme thunder
Technology deduction that is same, making approximately or based on this, replacement, improvement etc., are regarded as the protection domain of this patent.
Claims (5)
1. a kind of high-frequency electronic pipe booster circuit, it is characterised in that：With DC voltage input end, it is brilliant that circuit specifically includes electronics
Body pipe A, inductance L1, audion Q1, audion Q2, high frequency transformer T1, electric capacity C8, electrochemical capacitor C11, resistance R4 and resistance
R5, high frequency transformer T1 have the first primary side winding, the second primary side winding and the first vice-side winding, and first primary side winding has
There are terminals one, terminals two and terminals three, second primary side winding has terminals four and terminals five, first secondary
Winding has terminals six and terminals seven, and electrochemical capacitor C11 is connected between the terminals six and terminals seven, to conduct
The confession electricity output of integrated circuit, seven earth terminal of terminals；The colelctor electrode of audion Q1 connects the terminals one, its emitter stage
Earth terminal, its base stage are connected to the DC voltage input end；The colelctor electrode of audion Q2 connects the terminals three, its emitter stage
Earth terminal, its base stage are connected to the DC voltage input end；The base stage of audion Q1 is connected to the wiring via electric capacity C8
End four, the base stage of audion Q2 is connected to the terminals five, and filament the two poles of the earth of electron transistor A are connected to the unidirectional current respectively
Pressure input and ground terminal, its anode connect electrochemical capacitor C11；Inductance L1 is connected to the DC voltage input end and terminals
Between two.
2. high-frequency electronic pipe booster circuit according to claim 1, it is characterised in that：Diode is provided with the terminals six
D2。
3. high-frequency electronic pipe booster circuit according to claim 1 and 2, it is characterised in that：Base stage Jing of audion Q1
The DC voltage input end is connected to by resistance R4, the base stage of audion Q2 is connected to the DC voltage via resistance R5
Input.
4. high-frequency electronic pipe booster circuit according to claim 1 and 2, it is characterised in that：Audion Q1 and audion
Q2 is NPN type pipe.
5. high-frequency electronic pipe booster circuit according to claim 1, it is characterised in that：The access of the DC voltage input end
Voltage magnitude is 12V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620904230.5U CN206060539U (en) | 2016-08-19 | 2016-08-19 | A kind of high-frequency electronic pipe booster circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620904230.5U CN206060539U (en) | 2016-08-19 | 2016-08-19 | A kind of high-frequency electronic pipe booster circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206060539U true CN206060539U (en) | 2017-03-29 |
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ID=58384656
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620904230.5U Active CN206060539U (en) | 2016-08-19 | 2016-08-19 | A kind of high-frequency electronic pipe booster circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN206060539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160497A (en) * | 2016-08-19 | 2016-11-23 | 中山市悦辰科技实业有限公司 | A kind of high-frequency electronic pipe booster circuit |
-
2016
- 2016-08-19 CN CN201620904230.5U patent/CN206060539U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160497A (en) * | 2016-08-19 | 2016-11-23 | 中山市悦辰科技实业有限公司 | A kind of high-frequency electronic pipe booster circuit |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170703 Address after: 528447, A3/B/C building, Le Industrial Road, Sha Gang Dong Road, port town, Zhongshan, Guangdong Patentee after: Zhongshan Richsound Electronic Industrial Co., Ltd. Address before: 528447 Guangdong City, Zhongshan Province port town, Sha Kong East Road, building A3, No. 18, layer 4 Patentee before: ZHONGSHAN YUECHEN TECHNOLOGY INDUSTRIAL CO., LTD. |