CN207304531U - Ultra wide band chaotic signal generator - Google Patents
Ultra wide band chaotic signal generator Download PDFInfo
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- CN207304531U CN207304531U CN201721392330.5U CN201721392330U CN207304531U CN 207304531 U CN207304531 U CN 207304531U CN 201721392330 U CN201721392330 U CN 201721392330U CN 207304531 U CN207304531 U CN 207304531U
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Abstract
Ultra wide band chaotic signal generator.It the utility model is related to a kind of ultra wide band chaotic signal generator.First order Colpitts oscillating circuits are included on the circuit board, off resonance is of coupled connections each other between first order Colpitts oscillating circuits and second level Colpitts oscillating circuits, off resonance is of coupled connections each other between the second level Colpitts oscillating circuits and third level Colpitts oscillating circuits, the third level Colpitts oscillating circuits send signal by filter amplification circuit, and the centre frequency that the first order Colpitts oscillating circuits are sent is, the centre frequency that the second level Colpitts oscillating circuits are sent is, the centre frequency that the third level Colpitts oscillating circuits are sent is.The utility model is used for ultra wide band chaotic signal generator.
Description
Technical field
It the utility model is related to a kind of ultra wide band chaotic signal generator.
Background technology
When designing ultra wide band chaotic signal generator, the chaotic signal for not requiring nothing more than output has very broad frequency
Spectrum, has good stationarity, may also be operated in very high frequency.At present, the production method of ultra wide band chaotic signal has two
Kind.One kind is to produce ultra wide band chaotic signal using discrete system, and advantage is the controllable and spectrum distribution of signal probability distribution
Uniformly, shortcoming is that frequency range is limited be subject to active device bandwidth and clock frequency in circuit.If system mode is to quantify
, it is also possible to cause the periodicity of signal.Another kind is that continuous time system produces ultra wide band chaotic signal, using in circuit
Diode or triode obtains non-linear.Advantage is that circuit structure is simple, there is abundant frequency component, and shortcoming is narrower bandwidth.
The content of the invention
The purpose of this utility model is to provide a kind of ultra wide band chaotic signal generator, to solve ultra wide band chaotic signal
Produce difficulty, Bandwidth-Constrained, the problem of randomness is bad, frequency spectrum is not flat enough.
Above-mentioned purpose is realized by following technical scheme：
A kind of ultra wide band chaotic signal generator, shell body 1 is interior to load circuit board, and the side of the shell body 1 is set
First order centre frequency sends interface 2, second level centre frequency sends interface 3 and sent with third level centre frequency described in interface 4
The upper surface of shell body 1 function button 5 is set, the left side of the function button 5 sets display screen 6, the display screen 6
Downside set regulating key 7；
The bottom of the shell body 1 sets stent I and stent II, and the stent I is fitted into opening I 8, and described opens
Mouth I 8 is arranged on the both sides of the bottom of shell body 1, and the stent I includes shaft I 9, axle sleeve I is cased with the shaft I 9
10, connection leg I 11 on the axle sleeve I 10；
Centre frequency described in two sets stent II between sending interface, and the stent II is arranged on opening II 17
Interior, the stent II includes shaft II 12, the supporting leg II 13 of shaft sleeve II is provided with the shaft II 12, with axle sleeve
III supporting leg III 14, the supporting leg IV 15 with axle sleeve IV and the supporting leg V 16 with axle sleeve V；
First order Colpitts oscillating circuits, first order Colpitts oscillating circuits and second are included on the circuit board
Off resonance is of coupled connections each other between level Colpitts oscillating circuits, the second level Colpitts oscillating circuits and the third level
Off resonance is of coupled connections each other between Colpitts oscillating circuits, and the third level Colpitts oscillating circuits pass through signal
Filter amplification circuit is sent,
The centre frequency that the first order Colpitts oscillating circuits are sent is, the second level Colpitts
The centre frequency that oscillating circuit is sent is, the centre frequency that the third level Colpitts oscillating circuits are sent is。
The ultra wide band chaotic signal generator, the first order Colpitts oscillating circuits include resistance R1, institute
One end of one end connection inductance L1 of the resistance R1 stated, one end of the other end connection voltage V1 of the resistance R1 are described
One end of the other end connecting valve K1 of inductance L1 and one end of capacitance C1, the other end connecting triode Q1 of the switch K1
Collector c, the triode Q1 base stage b ground connection, the emitter e connection capacitance C1's of the triode Q1 is another
End, one end of capacitance C2, one end and one end of resistance R2 of diode D1, the other end connection voltage V2's of the resistance R2
One end, the other end of the other end connection voltage V1 of the voltage V2 after the other end of capacitance C2 with being grounded；
One end of the other end connection capacitance C3 of the diode D1, one end connection resistance R3's of the capacitance C3
One end, one end of voltage V5, the emitter e of triode Q2, one end of resistance R4, one end of capacitance C4, capacitance C5 one end with
One end of diode D2, one end of the other end connection inductance L2 of the resistance R3, the other end connection of the inductance L2
Switch the other end of one end and the capacitance C4 of K2, the collector c of the other end connecting triode Q2 of the switch K2 is described
The base stage b ground connection of triode Q2, one end of the other end connection voltage V3 of the resistance R4, the other end of the voltage V3
The other end of voltage V5 is connected with being grounded after the other end of capacitance C5；
One end of the other end connection capacitance C6 of the diode D2, one end connection resistance R5's of the capacitance C6
One end, one end of voltage V6, the emitter e of triode Q3, one end of resistance R6, one end and one end of capacitance C8 of capacitance C7,
One end of the other end connection inductance L3 of the resistance R5, one end of the other end connection capacitance C9 of the inductance L3, electricity
Hold one end of the other end and switch K3 of C7, the collector c of the other end connecting triode Q3 of the switch K3, described three
The base stage b ground connection of pole pipe Q3, one end of the other end connection voltage V4 of the resistance R6, the other end of the capacitance C9 connect
Connect one end of capacitance C10 and one end of inductance L4, one end of the other end connection resistance R7 of the capacitance C9, the resistance
After the other end of R7 is connected with the other end of the other end of inductance L4, the other end of capacitance C8, the other end of voltage V4, voltage V6
Ground connection.
Beneficial effect：
1. the utility model is not only simple in structure, it is easy to accomplish, and the flat width of ultra wide band chaotic signal spectrum produced
It is wealthy, there is good autocorrelation performance, which will make communication have high security and low intercepting and capturing rate, and have good anti-multipath
Fading characteristic, has broad application prospects in fields such as radar, communication and positioning.
2. the utility model Colpitts chaotic oscillating circuits 1 by triode Q1, linear inductance L1, linear resistance R1 and
R2, linear capacitance C1 and C2, direct voltage source V1 and V2 are formed, and can produce the chaos letter of the various frequencies including microwave
Number；Triode Q1 is nonlinear device, ultra wide band chaotic signal is had good randomness.
3. the centre frequency of the utility model Colpitts chaotic oscillating circuits 1 is, Colpitts chaotic oscillating circuits
2 centre frequency is, the centre frequency of Colpitts chaotic oscillating circuits 3 is, per level-one Colpitts chaotic oscillations electricity
Lu Zhizheng frequency should all be arranged on the center of its three dB bandwidth corresponding frequency band, so as to obtain the chaotic signal of broad frequency band.
Brief description of the drawings：
Attached drawing 1 is the top view of the utility model,
Attached drawing 2 is the main structure diagram of the utility model,
Attached drawing 3 is the circuit board signal block diagram of the utility model,
Attached drawing 4 is the circuit diagram of the utility model.
Embodiment：
Embodiment 1
A kind of ultra wide band chaotic signal generator, shell body 1 is interior to load circuit board, and the side of the shell body 1 is set
First order centre frequency sends interface 2, second level centre frequency sends interface 3 and sent with third level centre frequency described in interface 4
The upper surface of shell body 1 function button 5 is set, the left side of the function button 5 sets display screen 6, the display screen 6
Downside set regulating key 7；
The bottom of the shell body 1 sets stent I and stent II, and the stent I is fitted into opening I 8, and described opens
Mouth I 8 is arranged on the both sides of the bottom of shell body 1, and the stent I includes shaft I 9, axle sleeve I is cased with the shaft I 9
10, connection leg I 11 on the axle sleeve I 10；
Centre frequency described in two sets stent II between sending interface, and the stent II is arranged on opening II 17
Interior, the stent II includes shaft II 12, the supporting leg II 13 of shaft sleeve II is provided with the shaft II 12, with axle sleeve
III supporting leg III 14, the supporting leg IV 15 with axle sleeve IV and the supporting leg V 16 with axle sleeve V；
First order Colpitts oscillating circuits, first order Colpitts oscillating circuits and second are included on the circuit board
Off resonance is of coupled connections each other between level Colpitts oscillating circuits, the second level Colpitts oscillating circuits and the third level
Off resonance is of coupled connections each other between Colpitts oscillating circuits, and the third level Colpitts oscillating circuits pass through signal
Filter amplification circuit is sent,
The centre frequency that the first order Colpitts oscillating circuits are sent is, the second level Colpitts
The centre frequency that oscillating circuit is sent is, the centre frequency that the third level Colpitts oscillating circuits are sent is。
Embodiment 2
Ultra wide band chaotic signal generator described in embodiment 1, the first order Colpitts oscillating circuits include electricity
R1, one end of one end connection inductance L1 of the resistance R1 are hindered, the other end of the resistance R1 connects one end of voltage V1,
One end of the other end connecting valve K1 of the inductance L1 and one end of capacitance C1, the other end connection three of the switch K1
The base stage b ground connection of the collector c, the triode Q1 of pole pipe Q1, the emitter e connection capacitance C1's of the triode Q1
The other end, one end of capacitance C2, one end and one end of resistance R2 of diode D1, the other end connection voltage of the resistance R2
One end of V2, the other end of the other end connection voltage V1 of the voltage V2 after the other end of capacitance C2 with being grounded；
One end of the other end connection capacitance C3 of the diode D1, one end connection resistance R3's of the capacitance C3
One end, one end of voltage V5, the emitter e of triode Q2, one end of resistance R4, one end of capacitance C4, capacitance C5 one end with
One end of diode D2, one end of the other end connection inductance L2 of the resistance R3, the other end connection of the inductance L2
Switch the other end of one end and the capacitance C4 of K2, the collector c of the other end connecting triode Q2 of the switch K2 is described
The base stage b ground connection of triode Q2, one end of the other end connection voltage V3 of the resistance R4, the other end of the voltage V3
The other end of voltage V5 is connected with being grounded after the other end of capacitance C5；
One end of the other end connection capacitance C6 of the diode D2, one end connection resistance R5's of the capacitance C6
One end, one end of voltage V6, the emitter e of triode Q3, one end of resistance R6, one end and one end of capacitance C8 of capacitance C7,
One end of the other end connection inductance L3 of the resistance R5, one end of the other end connection capacitance C9 of the inductance L3, electricity
Hold one end of the other end and switch K3 of C7, the collector c of the other end connecting triode Q3 of the switch K3, described three
The base stage b ground connection of pole pipe Q3, one end of the other end connection voltage V4 of the resistance R6, the other end of the capacitance C9 connect
Connect one end of capacitance C10 and one end of inductance L4, one end of the other end connection resistance R7 of the capacitance C9, the resistance
After the other end of R7 is connected with the other end of the other end of inductance L4, the other end of capacitance C8, the other end of voltage V4, voltage V6
Ground connection.
Colpitts chaotic oscillating circuits 1 can produce the chaotic signal of the various frequencies including microwave, and have
Good randomness, although it can obtain the ideal chaotic signal with higher operational frequency, its three dB bandwidth is not wide；For
Obtaining has a more wide band chaotic signal, and Colpitts chaotic oscillating circuits 1 and Colpitts chaotic oscillating circuits 2 are led to
Cross diode D1 and capacitance C3 is coupled, Colpitts chaotic oscillating circuits 2 and Colpitts chaotic oscillating circuits 3 are passed through
Diode D2 and capacitance C6 are coupled, so as to obtain the frequency spectrum of bandwidth broad enough and flat distribution；Colpitts
The filter amplification circuit that chaotic oscillating circuit 3 end parallel connection L4, C9 and C10 are formed, has the function of to suppress noise and amplification.
Colpitts chaotic oscillating circuits 1 by a triode Q1, a linear inductance L1, two linear resistance R1 and
R2, two linear capacitances C1 and C2, two direct voltage sources V1 and V2 are formed.By adjusting direct voltage source V1, V2 and resistance
The value of R2, makes triode Q1 be in direct current amplification region.Oscillating circuit is made of L1, R1, C1, C2.Made by selecting circuit parameter
Nonlinear device Q1 is worked alternatively in amplification region and by area, so that Colpitts oscillating circuits enter chaos state, can
Produce the chaotic signal of the various frequencies including microwave.The signal spectrum wider distribution of Colpitts chaotic oscillating circuits 1,
But its energy is concentrated mainly on around centre frequency, and three dB bandwidth is smaller.Using the thought of driving response, Colpitts chaos is shaken
Swing circuit 1 and Colpitts chaotic oscillating circuits 2 are coupled by diode D1 and capacitance C3, Colpitts chaotic oscillations electricity
Road 2 and Colpitts chaotic oscillating circuits 3 are coupled by diode D2 and capacitance C6.
Over different frequencies, its centre frequency gradually increases Colpitts chaotic oscillating circuits resonance at different levels.So as to defeated
Go out centre frequency in the range of 0-1.3GHz, spectral flatness is broad, has the ultra-wide chaotic signal of good autocorrelation performance.
Principle：
The setting of Colpitts chaotic oscillating circuits working frequencies at different levels should be consistent with its three dB bandwidth；
To meet the relation of circuit centre frequency complementation, it is desirable to the quality factor q of Colpitts chaotic oscillating circuits at different levels
Value is consistent or linear；Q values can not obtain too greatly, can be by increasing R or in the side of L both ends parallel resistance
Method reduces Q values；
After the centre frequency of Colpitts chaotic oscillating circuits at different levels determines, the spectral characteristic of chaotic signal is just by coupling
Capacitance is adjusted, and blocking condenser should be slightly bigger than the capacitance of front stage circuits, suitably heighten the value of coupled capacitor, can make production
Raw chaotic signal frequency spectrum is broader, but in order to ensure the normal operation of circuit, coupling capacitance should not be too large；
The value of two direct voltage sources has also been influenced on producing chaotic signal frequency spectrum in Colpitts chaotic oscillating circuits,
The value of voltage source is heightened, the chaotic signal frequency spectrum more flat even of generation can be made
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model, also should
Belong to the scope of protection of the utility model.
Claims (2)
1. a kind of ultra wide band chaotic signal generator, it is characterized in that：Shell body（1）Interior loading circuit board, the shell body（1）
Side set first order centre frequency send interface（2）, second level centre frequency send interface（3）With third level centre frequency
Send interface（4）The shell body（1）Upper surface set function button（5）, the function button（5）Left side set
Display screen（6）, the display screen（6）Downside set regulating key（7）；
The shell body（1）Bottom stent I and stent II are set, the stent I loads opening I（8）In, described opens
Mouth I（8）It is arranged on shell body（1）Bottom both sides, the stent I includes shaft I（9）, the shaft I（9）Upper set
There is axle sleeve I（10）, the axle sleeve I（10）Upper connection leg I（11）；
Centre frequency described in two sets stent II between sending interface, and the stent II is arranged on opening II（17）It is interior,
The stent II includes shaft II（12）, the shaft II（12）On be provided with the supporting leg II of shaft sleeve II（13）, carry
The supporting leg III of axle sleeve III（14）, supporting leg IV with axle sleeve IV（15）With the supporting leg V with axle sleeve V（16）；
First order Colpitts oscillating circuits, the first order Colpitts oscillating circuits and are included on the circuit board
Off resonance is of coupled connections each other between two level Colpitts oscillating circuits, second level Colpitts oscillating circuits and the 3rd
Off resonance is of coupled connections each other between level Colpitts oscillating circuits, and the third level Colpitts oscillating circuits lead to signal
Filter amplification circuit is crossed to send,
The centre frequency that the first order Colpitts oscillating circuits are sent is, the second level Colpitts vibrates electric
The centre frequency that road is sent is, the centre frequency that the third level Colpitts oscillating circuits are sent is。
2. ultra wide band chaotic signal generator according to claim 1, it is characterized in that：The first order Colpitts shakes
Swinging circuit includes one end of one end connection inductance L1 of resistance R1, the resistance R1, the other end connection of the resistance R1
One end of voltage V1, one end of the other end connecting valve K1 of the inductance L1 and one end of capacitance C1, the switch K1
Other end connecting triode Q1 collector c, the triode Q1 base stage b ground connection, the transmitting of the triode Q1
The other end of pole e connection capacitances C1, one end of capacitance C2, one end and one end of resistance R2 of diode D1, the resistance R2
Other end connection voltage V2 one end, the other end of the other end connection voltage V1 of the voltage V2 is another with capacitance C2's
It is grounded behind end；
One end of the other end connection capacitance C3 of the diode D1, the one of one end connection resistance R3 of the capacitance C3
End, one end of voltage V5, the emitter e of triode Q2, one end of resistance R4, one end of capacitance C4, one end and two of capacitance C5
One end of pole pipe D2, one end of the other end connection inductance L2 of the resistance R3, the other end connection of the inductance L2 are opened
Close the other end of one end and the capacitance C4 of K2, the collector c of the other end connecting triode Q2 of the switch K2, described three
The base stage b ground connection of pole pipe Q2, one end of the other end connection voltage V3 of the resistance R4, the other end of the voltage V3 connect
It is grounded after connecing the other end of voltage V5 and the other end of capacitance C5；
One end of the other end connection capacitance C6 of the diode D2, the one of one end connection resistance R5 of the capacitance C6
End, one end of voltage V6, the emitter e of triode Q3, one end of resistance R6, one end and one end of capacitance C8 of capacitance C7, institute
One end of the other end connection inductance L3 of the resistance R5 stated, one end of the other end connection capacitance C9 of the inductance L3, capacitance
One end of the other end of C7 and switch K3, the collector c of the other end connecting triode Q3 of the switch K3, three poles
The base stage b ground connection of pipe Q3, one end of the other end connection voltage V4 of the resistance R6, the other end connection of the capacitance C9
One end of capacitance C10 and one end of inductance L4, one end of the other end connection resistance R7 of the capacitance C9, the resistance R7
The other end and the other end of inductance L4, the other end of capacitance C8, the other end of voltage V4, the other end of voltage V6 be connected and be followed by
Ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721392330.5U CN207304531U (en) | 2017-10-26 | 2017-10-26 | Ultra wide band chaotic signal generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721392330.5U CN207304531U (en) | 2017-10-26 | 2017-10-26 | Ultra wide band chaotic signal generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207304531U true CN207304531U (en) | 2018-05-01 |
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ID=62274110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721392330.5U Expired - Fee Related CN207304531U (en) | 2017-10-26 | 2017-10-26 | Ultra wide band chaotic signal generator |
Country Status (1)
| Country | Link |
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| CN (1) | CN207304531U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112019196A (en) * | 2020-07-31 | 2020-12-01 | 南京邮电大学 | Broadband chaotic circuit based on HBT (heterojunction bipolar transistor) process |
| RU2823719C1 (en) * | 2023-12-26 | 2024-07-29 | Вадим Георгиевич Прокопенко | Chaotic oscillation generator |
-
2017
- 2017-10-26 CN CN201721392330.5U patent/CN207304531U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112019196A (en) * | 2020-07-31 | 2020-12-01 | 南京邮电大学 | Broadband chaotic circuit based on HBT (heterojunction bipolar transistor) process |
| CN112019196B (en) * | 2020-07-31 | 2022-11-08 | 南京邮电大学 | Broadband chaotic circuit based on HBT (heterojunction bipolar transistor) process |
| RU2823719C1 (en) * | 2023-12-26 | 2024-07-29 | Вадим Георгиевич Прокопенко | Chaotic oscillation generator |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 Termination date: 20211026 |
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| CF01 | Termination of patent right due to non-payment of annual fee |