CN208508912U - A kind of user-network signal reception circuit - Google Patents
A kind of user-network signal reception circuit Download PDFInfo
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- CN208508912U CN208508912U CN201821365908.2U CN201821365908U CN208508912U CN 208508912 U CN208508912 U CN 208508912U CN 201821365908 U CN201821365908 U CN 201821365908U CN 208508912 U CN208508912 U CN 208508912U
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Abstract
A kind of user-network signal reception circuit, including signal receiving circuit, feedback regulating circuit and filtering output circuit, the signal that feedback regulating circuit divides two-way to receive signal receiving circuit output, all the way through transport and placing device AR1, after the logarithmic circuit processing of triode Q1 composition in input summer U1, another way inputs in the non-inverting input terminal of transport and placing device AR2, after transport and placing device AR2 amplification in input summer U1, in signal input filter output circuit after adder U1 addition process, it is also fed back into the inverting input terminal of transport and placing device AR2 simultaneously, the output current potential of the adjustable transport and placing device AR2 of feedback signal, it that is to say the output current potential of adjustable adder U1, when abnormal signal, the output current potential of transport and placing device AR2 reduces, achieve the effect that filter out the abnormal signal in signal, transport and placing device AR1 simultaneously , triode Q1 composition logarithmic circuit can guarantee that the output of adder U1 will not make the amplitude of signal excessive, play the effect of stabilizing circuit.
Description
Technical field
The utility model relates to signal reception technique fields, and in particular to a kind of user-network signal reception circuit.
Background technique
Currently, substantially every household can all have the network coverage, however brought for people's lives greatly in user network
When convenient, the phenomenon that user network also will appear slower network or even suspension, and the main reason for phenomenon occurs so just
It is that the transmission of user network bandwidth is but easy to appear abnormal signal, and more containing clutter in signal.
Summary of the invention
(1) the technical issues of solving
The purpose of this utility model is to provide a kind of user-network signals to receive circuit, to solve in above-mentioned background technique
The practical problem of proposition.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of user-network signal reception circuit, packet
Include signal receiving circuit, feedback regulating circuit and filtering output circuit, the signal receiving circuit include resistance R1, resistance R2 and
Capacitor C1, the feedback regulating circuit include transport and placing device AR1, transport and placing device AR2, adder U1, resistance R3, triode Q1, capacitor
C3, resistance R4 and resistance R5, the filtering output circuit include inductance L1, inductance L2, resistance R6, polar capacitor C4 and polarity electricity
Hold 6, the resistance R1 is connect with the resistance R2 and capacitor C1 respectively, the positive terminal of the resistance R2 and the transport and placing device AR2
Connection, the capacitor C1 connect with the reverse side of the transport and placing device AR1, and one end of the resistance R3 is grounded, the other end with it is described
The positive terminal of transport and placing device AR1 connects, the base earth of the triode Q1, and the reverse side of collector and the transport and placing device AR1 connect
It connects, emitter is connect with the pin 2 of the adder U1, and the reverse side of one end of the resistance R4 and the transport and placing device AR2 connect
It connects, the other end is connect with the capacitor C3 and the resistance R5 respectively, the other end ground connection of the capacitor C3, the adder U1
Pin 1 is connect with the output end of the transport and placing device AR2, and the output end of the adder U1 pin 2 and transport and placing device AR1 connects
It connects, the adder U1 pin 3 is connect with the resistance R5 and the resistance R6 respectively, and the inductance L1 and the inductance L2 are
Parallel connectivity, the inductance L1 and one end of the inductance L2 are connecting the resistance R6 and the polar capacitor C4 just
Pole, the cathode ground connection of the polar capacitor C4, the inductance L1 connect the polar capacitor C6 with the other end of the inductance L2
Anode, the polar capacitor C6 cathode ground connection.
Preferably, one end of the resistance R1 is connect with signal input part.
Preferably, one end of the inductance L1 and the inductance L2 are connect with signal output end；
(3) beneficial effect
Compared with prior art, the beneficial effects of the utility model are as follows:
1. signal receiving circuit receives user-network signal, the feedback regulating circuit divides two-way to receive signal reception electricity
The signal of road output, it is another all the way after the logarithmic circuit processing of transport and placing device AR1, triode Q1 composition in input summer U1
Road inputs in the non-inverting input terminal of transport and placing device AR2, after transport and placing device AR2 amplification in input summer U1, adder U1 addition process
Afterwards in input filter output circuit, while the output signal of adder U1 is also fed back into the inverting input terminal of transport and placing device AR2, most
By filtering output circuit with inductance L1, L2 and polar capacitor C4, C6 composition π type filter circuit filtering output, that is to say defeated
Access customer network signal uses in equipment；The abnormal signal and clutter in user-network signal can effectively be eliminated.
2. the signal that feedback regulating circuit divides two-way to receive signal receiving circuit output, all the way through transport and placing device AR1, three poles
After the logarithmic circuit processing of pipe Q1 composition in input summer U1, another way is inputted in the non-inverting input terminal of transport and placing device AR2, amplifier
After device AR2 amplification in input summer U1, in the signal input filter output circuit after adder U1 addition process, and meanwhile it is also anti-
It is fed in the inverting input terminal of transport and placing device AR2, the output current potential of the adjustable transport and placing device AR2 of feedback signal, that is to say can adjust
The output current potential for saving adder U1, when abnormal signal, the output current potential of transport and placing device AR2 is reduced, reach filter out it is different in signal
The effect of regular signal, while the logarithmic circuit of transport and placing device AR1, triode Q1 composition can guarantee that the output of adder U1 will not make
The amplitude of signal is excessive, plays the effect of stabilizing circuit.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the circuit module figure that a kind of user-network signal of the utility model receives circuit；
Fig. 2 is the circuit diagram that a kind of user-network signal of the utility model receives circuit.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of user-network signal reception circuit, including
Signal receiving circuit, feedback regulating circuit and filtering output circuit, signal receiving circuit includes resistance R1, resistance R2 and capacitor
C1, feedback regulating circuit include transport and placing device AR1, transport and placing device AR2, adder U1, resistance R3, triode Q1, capacitor C3, resistance R4
With resistance R5, filtering output circuit includes inductance L1, inductance L2, resistance R6, polar capacitor C4 and polar capacitor 6, and resistance R1 divides
It is not connect with resistance R2 and capacitor C1, resistance R2 is connect with the positive terminal of transport and placing device AR2, the reverse phase of capacitor C1 and transport and placing device AR1
End connection, one end ground connection of resistance R3, the other end are connect with the positive terminal of transport and placing device AR1, the base earth of triode Q1, current collection
Pole is connect with the reverse side of transport and placing device AR1, and emitter is connect with the pin 2 of adder U1, one end of resistance R4 and transport and placing device AR2
Reverse side connection, the other end connect with capacitor C3 and resistance R5 respectively, and the other end of capacitor C3 is grounded, adder U1 pin 1
It is connect with the output end of transport and placing device AR2, adder U1 pin 2 is connect with the output end of transport and placing device AR1, and adder U1 pin 3 divides
It is not connect with resistance R5 and resistance R6, inductance L1 and inductance L2 are parallel connectivity, and inductance L1 is connected with one end of inductance L2
The anode of resistance R6 and polar capacitor C4, the cathode ground connection of polar capacitor C4, inductance L1 connect polarity with the other end of inductance L2
The anode of capacitor C6, the cathode ground connection of polar capacitor C6, one end of resistance R1 are connect with signal input part, inductance L1 and inductance L2
One end connect with signal output end.
Embodiment one, a kind of user-network signal reception circuit, including signal receiving circuit, feedback regulating circuit and filtering
Output circuit, signal receiving circuit receive user-network signal, and feedback regulating circuit divides two-way to receive signal receiving circuit output
Signal, all the way after the logarithmic circuit processing of transport and placing device AR1, triode Q1 composition in input summer U1, another way input
In the non-inverting input terminal of transport and placing device AR2, after transport and placing device AR2 amplification in input summer U1, inputted after adder U1 addition process
It filters in output circuit, while the output signal of adder U1 is also fed back into the inverting input terminal of transport and placing device AR2, most afterwards through filtering
Wave output circuit that is to say input user with inductance L1, L2 and polar capacitor C4, C6 composition π type filter circuit filtering output
Network signal uses in equipment；Signal receives user-network signal, is divided using resistance R1, and resistance R2 is shunted and capacitor C1 filter
Input feedback is adjusted in circuit after wave, and filtering output circuit has selected inductance L1, L2 and polar capacitor C4, C6 to form the filtering of π type
Circuit filtering output that is to say that input user-network signal using in equipment, plays the effect of filtering clutter, feedback regulating circuit
The signal for dividing two-way to receive signal receiving circuit output, all the way after the logarithmic circuit processing of transport and placing device AR1, triode Q1 composition
In input summer U1, another way is inputted in the non-inverting input terminal of transport and placing device AR2, input summer U1 after transport and placing device AR2 amplification
It is interior, in the signal input filter output circuit after adder U1 addition process, while being also fed back into the anti-phase input of transport and placing device AR2
In end, the output current potential of the adjustable transport and placing device AR2 of feedback signal that is to say the output current potential of adjustable adder U1, when
When abnormal signal, the output current potential of transport and placing device AR2 is reduced, and achievees the effect that filter out the abnormal signal in signal, while transport and placing device
The logarithmic circuit of AR1, triode Q1 composition can guarantee that the output of adder U1 will not make the amplitude of signal excessive, play stabilization
The effect of circuit.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (3)
1. a kind of user-network signal receives circuit, it is characterised in that: including signal receiving circuit, feedback regulating circuit and filtering
Output circuit, the signal receiving circuit include resistance R1, resistance R2 and capacitor C1, and the feedback regulating circuit includes transport and placing device
AR1, transport and placing device AR2, adder U1, resistance R3, triode Q1, capacitor C3, resistance R4 and resistance R5, the filtering output circuit
Including inductance L1, inductance L2, resistance R6, polar capacitor C4 and polar capacitor 6, the resistance R1 respectively with the resistance R2 and electricity
Hold C1 connection, the resistance R2 is connect with the positive terminal of the transport and placing device AR2, and the capacitor C1 is anti-with the transport and placing device AR1's
The connection of phase end, one end ground connection of the resistance R3, the other end are connect with the positive terminal of the transport and placing device AR1, the triode Q1
Base earth, collector connect with the reverse side of the transport and placing device AR1, and emitter is connect with the pin 2 of the adder U1,
One end of the resistance R4 is connect with the reverse side of the transport and placing device AR2, the other end respectively with the capacitor C3 and the resistance
R5 connection, the other end ground connection of the capacitor C3, the adder U1 pin 1 are connect with the output end of the transport and placing device AR2, institute
Adder U1 pin 2 is stated to connect with the output end of the transport and placing device AR1, the adder U1 pin 3 respectively with the resistance R5
It is connected with the resistance R6, the inductance L1 and the inductance L2 are parallel connectivity, the inductance L1 and the inductance L2
One end connect the anode of the resistance R6 and the polar capacitor C4, the cathode ground connection of the polar capacitor C4, the inductance
L1 connects the anode of the polar capacitor C6, the cathode ground connection of the polar capacitor C6 with the other end of the inductance L2.
2. a kind of user-network signal according to claim 1 receives circuit, it is characterised in that: one end of the resistance R1
It is connect with signal input part.
3. a kind of user-network signal according to claim 1 receives circuit, it is characterised in that: the inductance L1 and described
One end of inductance L2 is connect with signal output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821365908.2U CN208508912U (en) | 2018-08-23 | 2018-08-23 | A kind of user-network signal reception circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821365908.2U CN208508912U (en) | 2018-08-23 | 2018-08-23 | A kind of user-network signal reception circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208508912U true CN208508912U (en) | 2019-02-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821365908.2U Expired - Fee Related CN208508912U (en) | 2018-08-23 | 2018-08-23 | A kind of user-network signal reception circuit |
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| Country | Link |
|---|---|
| CN (1) | CN208508912U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078995A (en) * | 2021-04-23 | 2021-07-06 | 上海理工大学 | High-complexity four-dimensional hyperchaotic circuit |
-
2018
- 2018-08-23 CN CN201821365908.2U patent/CN208508912U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078995A (en) * | 2021-04-23 | 2021-07-06 | 上海理工大学 | High-complexity four-dimensional hyperchaotic circuit |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20200823 |