CN106330101B - Adjust circuit and optimization circuit - Google Patents
Adjust circuit and optimization circuit Download PDFInfo
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- CN106330101B CN106330101B CN201510340053.2A CN201510340053A CN106330101B CN 106330101 B CN106330101 B CN 106330101B CN 201510340053 A CN201510340053 A CN 201510340053A CN 106330101 B CN106330101 B CN 106330101B
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Abstract
A kind of adjusting circuit, for adjusting the consumption of electric current, adjusting circuit includes that at least two-way terminated line and switching switchs.Wherein, at least two-way terminated line is for matching different input signals, to reduce the consumption of electric current；Switching switch is connect at least two-way terminated line, for according to different input signals, the terminated line all the way at least two-way terminated line to be connected in selection.It include transmission line and varactor per terminated line all the way.Wherein, transmission line is connected to switching switch, for adjusting phase angle, so that phase angle is fallen in the default quadrant of Smith chart；Varactor is for further adjusting phase angle, so that phase angle falls in the predeterminated position in default quadrant.Present invention provides a kind of optimization circuits.In adjusting circuit and optimization circuit, different input signals can be transmitted in corresponding terminated line, greatly optimize the consumption of electric current in circuit.
Description
Technical field
The present invention relates to a kind of circuit for signal conditioning more particularly to a kind of adjusting circuits and optimization for optimizing power consumption stream
Circuit.
Background technique
Long term evolution (Long Term Evolution, LTE) system is widely used in some communication products such as mobile phone
In.In LTE system, the consumption of electric current is one of main efficiency index, and people focus on how reducing electric current very much
Consumption, to reduce power consumption.But there are many factor that current drain is influenced in system, and the use of intermediate power amplifier is then electric to influence
The best drawing flowed the biggest factor of consumption, and find power amplifier carries (load pull) value and also needs to take considerable time.
Summary of the invention
In view of this, the adjusting circuit and optimization circuit that it is necessary to provide a kind of for optimizing power consumption stream, to reduce circuit
In current drain, and save a large amount of quality time for the exploitation of product.
A kind of adjusting circuit that embodiment of the present invention provides, for adjusting the consumption of electric current, including at least two-way matching
Route and switching switch.Wherein, at least two-way terminated line is for matching different input signals, to reduce the consumption of electric current；
Switching switch is connect at least two-way terminated line, for according to different input signals, selection conducting at least two-way matched line
Terminated line all the way in road.It include transmission line and varactor per terminated line all the way.Wherein, transmission line, which is connected to, cuts
Switch is changed, for adjusting phase angle, so that phase angle is fallen in the default quadrant of Smith chart；Varactor is for further adjusting
Phase angle, so that phase angle falls in the predeterminated position in default quadrant.
Preferably, transmission line is the transmission line of predetermined length, and all per the predetermined length of the transmission line of terminated line all the way
It is unequal.
It preferably, further include block isolating device per terminated line all the way.Block isolating device is connected to transmission line and varactor, is used for
Separate the direct current signal in input signal.
Preferably, block isolating device is high voltage bearing capacitor.
It preferably, further include bias circuit per terminated line all the way, bias circuit is connected to block isolating device and varactor
Between, for adjusting the bias of varactor.
Preferably, bias circuit includes DC power supply and inductance.Wherein, DC power supply is for providing predeterminated voltage；Inductance
It is connected between DC power supply, block isolating device and varactor.
Present invention provides a kind of optimization circuit, for adjusting the consumption of electric current, optimization circuit include signal element and
Above-mentioned adjusting circuit.Wherein, signal element is for sending signal and output control signal；It adjusts circuit and is electrically connected at signal
Unit.
Preferably, signal element also via control bus and adjusts circuit connection, to control to adjust circuit.
Preferably, optimization circuit further includes attenuator, coupler, fine tuning attenuator and detecting unit.Wherein, attenuator connects
It is connected to signal element, the amplitude for adjustment signal；Coupler is connected to attenuator, for separating signal；Attenuator is finely tuned to connect
It is connected to the side of coupler；Detecting unit is connected to coupler, the state for detection signal.
Preferably, the signal condition that signal element is detected according to detecting unit controls to adjust circuit, reduces disappearing for electric current
Consumption.
The beneficial effects of the invention are as follows it will be evident that different input signals can be transmitted in corresponding terminated line, pole
The big consumption for optimizing electric current in circuit.
Detailed description of the invention
Fig. 1 is the schematic diagram of present invention optimization circuit first embodiment.
Fig. 2 is the schematic diagram of present invention optimization circuit second embodiment.
Fig. 3 is the schematic diagram that the present invention adjusts one embodiment of circuit.
Fig. 4 is the power consumption flow measurement figure of present invention optimization one embodiment of circuit.
Main element symbol description
Signal element 10
Adjust circuit 20
Switch switch SW
Transmission line S1
Block isolating device S2
Varactor D
Bias circuit S3
DC power supply Vd
Inductance L
Attenuator A1
Finely tune attenuator A2
Coupler CPL
Detecting unit 30
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
The design parameter of following implementation in order to better illustrate the present invention, but should not limit the present invention with specific value
The scope of the claims.
The consumption of optimization circuit of the invention for electric current in regulating system or device.Here, system or device refer to
Be some products communicated using wireless signal, such as mobile phone, router, base station, repeater product.
Referring to Fig. 1, Fig. 1 is the schematic diagram of present invention optimization circuit first embodiment.
In the present embodiment, optimization circuit includes signal element 10 and adjusting circuit 20.Signal element 10 is for occurring
Signal and output control signal.Here, signal element 10 can be signal amplification module, signal processing in system or device
The device that some pairs of signals such as device are adjusted.Signal element 10 can be connect via control bus with circuit 20 is adjusted, with control
Adjust circuit 20.Signal element 10 outputs control signals to according to the detecting state of basis signal and adjusts circuit 20, to reduce electricity
The consumption of stream.Herein, control bus can for general input/output port (General Purpose Input Output,
GOIO)。
Fig. 2 is the schematic diagram of present invention optimization circuit second embodiment.
Present embodiment is different from the first embodiment place and is, optimization circuit specifically includes signal element 10, adjusts
Circuit 20, attenuator A1, fine tuning attenuator A2, coupler CPL and detecting unit 30.Wherein, attenuator A1 is connected to signal list
Member 10, the amplitude for 10 output signal of adjustment signal unit.Coupler CPL is connected to attenuator A1, for separating signal.It is micro-
Controlled attenuator A2 is connected to coupler CPL, to reduce the insertion loss of each device in optimization circuit.Detecting unit 30 is connected to coupling
Clutch CPL, for the state of 10 output signal of detection signal unit, as consumed in the frequency of signal, circuit electric current, adjacent frequency
Road is leaked than (Adjacent Channel Leakage Ratio, ACLR) etc..
Fig. 3 is the schematic diagram that the present invention adjusts 20 1 embodiment of circuit.
Adjusting circuit 20 includes multichannel terminated line and switching switch SW.Wherein, it is all used to match per terminated line all the way
Different input signals, switching switch SW are connect with per terminated line all the way, for according to different input signals, selection conducting
Corresponding terminated line.That is, different signals can according to demand, in corresponding matching in adjusting circuit 20 of the invention
It is transmitted in route, to reduce the consumption of electric current.In the present embodiment, by taking four road terminated lines as an example, in other embodiments
In, multichannel terminated line can be designed, preferably to match corresponding input signal according to demand.
It all include transmission line S1, varactor D and block isolating device S2 per terminated line all the way.Wherein, transmission line S1 connection
In switching switch SW, for adjusting phase angle.In present embodiment, transmission line S1 is the microstrip line of one fixed width, and per all the way
The predetermined length of transmission line S1 with route is all unequal, in this way, when input signal passes through the transmission line S1 of different length,
Phase angle will be in the default quadrant in four quadrants of Smith chart.Varactor D is for further adjusting the phase angle, so that phase
Predeterminated position of the corner in default quadrant.When phase angle falls in predeterminated position, the electric current of circuit consumption will be greatly reduced.
Block isolating device S2 is connected to transmission line S1 and varactor D, for separating the direct current signal in input signal.In present embodiment
In, block isolating device S2 can be high voltage bearing capacitor.
In the present embodiment, bias circuit S3 can also be set in per terminated line all the way according to demand.Bias plasma
Road S3 is connected between block isolating device S2 and varactor D, to adjust the bias of the varactor D, so as to adjust phase angle.
Per in terminated line all the way, bias circuit S3 includes DC power supply Vd and inductance L.Here, DC power supply Vd can be specific electricity
One output voltage terminals in source or other DC sources, voltage range can be from 0 to 15 volt.It is straight that inductance L is connected to this
Between galvanic electricity source Vd, block isolating device S2 and varactor D, to adjust the voltage of DC power supply Vd output.
Fig. 4 is the power consumption flow measurement figure of present invention optimization one embodiment of circuit.
It is as described above to adjust circuit 20 and its optimization circuit, when different input signals passes in different terminated lines
When defeated, different electric currents will be consumed.In the present embodiment, by taking the different input signal of three kinds of frequencies as an example, preferably to say
The bright present invention.It is observed in high, normal, basic channel here, the input signal of three kinds of different frequencies passes through detecting unit 30 respectively,
That is Low channel, Mid channel and High channel in Fig. 4.These input signals are first allowed to be input to different
With in circuit, and in each match circuit, change the bias of varactor D, to obtain input signal in different condition
The current value of lower consumption.In the present embodiment, the length of transmission line S1 is all unequal in No. four match circuits, such as institute in Fig. 4
L0, L1, L2 and the L3 shown, and high, normal, basic three will be accordingly arranged in the bias of each varactor D in No. four match circuits
A voltage value, i.e. L, M and H voltage value in Fig. 4.In other embodiments, multiple biass can be set according to demand.
For example, L0_L indicates signal the length of transmission line S1 is L0, the bias of varactor D is low-voltage
It is transmitted under conditions of value.As shown in Figure 4, at different conditions, the electric current of consumption is different for varying input signal.Then, root
According to different input signals and the current consumption value observed, electricity can be reduced by switching the corresponding terminated line of switch SW gating
The consumption of electric current in stream.Such as, input signal can be when Mid channel be transmitted, and under conditions of L3_L, current drain is smaller,
Signal element 10 exports corresponding control signal to switching switch SW, is low electricity to gate transmission line S1, bias of the length for L3
The terminated line of the varactor D of pressure value.
The beneficial effects of the invention are as follows it will be evident that different input signals can be transmitted in corresponding terminated line, pole
The big consumption for optimizing electric current in circuit.
It is understood that for those of ordinary skill in the art, can do in accordance with the technical idea of the present invention
Various other changes and modifications out, and all these changes and deformation all should belong to the protection model of the claims in the present invention
It encloses.
Claims (7)
1. a kind of optimization circuit, for adjusting the consumption of electric current characterized by comprising
Adjust circuit, comprising:
At least two-way terminated line, for matching different input signals, to reduce the consumption of electric current；And
Switching switch, connect at least two-way terminated line, for according to the different input signal, selection conducting institute
State the terminated line all the way at least two-way terminated line；
Wherein, at least two-way terminated line includes: per terminated line all the way
Transmission line is connected to the switching switch, for adjusting phase angle, so that the phase angle falls in the default quadrant of Smith chart
In；And
Varactor, for further adjusting the phase angle, so that the phase angle falls in the default position in the default quadrant
It sets；
Signal element for sending signal and output control signal, and is electrically connected via control bus and the adjusting circuit,
To control the adjusting circuit；
Attenuator is connected to the signal element, for adjusting the amplitude for sending signal；
Coupler is connected to the attenuator, for separating the transmission signal；
Attenuator is finely tuned, the side of the coupler is connected to；And
Detecting unit is connected to the coupler, for detecting the state for sending signal.
2. optimization circuit as described in claim 1, which is characterized in that the transmission line for adjusting circuit is predetermined length
Transmission line, and the predetermined length per the transmission line of terminated line all the way is all unequal.
3. optimization circuit as described in claim 1, which is characterized in that the every terminated line all the way for adjusting circuit is also
Include:
Block isolating device is connected to the transmission line and the varactor, for separating the direct current signal in the input signal.
4. optimization circuit as claimed in claim 3, which is characterized in that the block isolating device for adjusting circuit is high voltage bearing
Capacitor.
5. optimization circuit as claimed in claim 4, which is characterized in that the every terminated line all the way for adjusting circuit is also
Including bias circuit, the bias circuit is connected between the block isolating device and the varactor, for adjusting the change
Hold the bias of diode.
6. as claimed in claim 5 optimization circuit, which is characterized in that it is described adjust circuit the bias circuit include:
DC power supply, for providing predeterminated voltage；And
Inductance is connected between the DC power supply, the block isolating device and the varactor.
7. optimization circuit as described in claim 1, which is characterized in that the signal element is detected according to the detecting unit
Signal condition controls the adjusting circuit, reduces the consumption of electric current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510340053.2A CN106330101B (en) | 2015-06-18 | 2015-06-18 | Adjust circuit and optimization circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510340053.2A CN106330101B (en) | 2015-06-18 | 2015-06-18 | Adjust circuit and optimization circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106330101A CN106330101A (en) | 2017-01-11 |
| CN106330101B true CN106330101B (en) | 2019-10-01 |
Family
ID=57732449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510340053.2A Expired - Fee Related CN106330101B (en) | 2015-06-18 | 2015-06-18 | Adjust circuit and optimization circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN106330101B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102474294A (en) * | 2009-08-13 | 2012-05-23 | Lg伊诺特有限公司 | Apparatus for controlling impedance in adaptive tuning antenna circuit |
| CN102820868A (en) * | 2011-06-07 | 2012-12-12 | 上海贝尔股份有限公司 | Phase adjustor and phase adjusting method for high-power signal amplifying circuit |
| CN103457540A (en) * | 2013-09-06 | 2013-12-18 | 西安空间无线电技术研究所 | Microwave power amplifier with Doherty structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7071792B2 (en) * | 2001-08-29 | 2006-07-04 | Tropian, Inc. | Method and apparatus for impedance matching in an amplifier using lumped and distributed inductance |
| JP2005311762A (en) * | 2004-04-22 | 2005-11-04 | Matsushita Electric Ind Co Ltd | Variable matching circuit |
| JP2012044436A (en) * | 2010-08-19 | 2012-03-01 | Ntt Docomo Inc | Multiband matching circuit |
-
2015
- 2015-06-18 CN CN201510340053.2A patent/CN106330101B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102474294A (en) * | 2009-08-13 | 2012-05-23 | Lg伊诺特有限公司 | Apparatus for controlling impedance in adaptive tuning antenna circuit |
| CN102820868A (en) * | 2011-06-07 | 2012-12-12 | 上海贝尔股份有限公司 | Phase adjustor and phase adjusting method for high-power signal amplifying circuit |
| CN103457540A (en) * | 2013-09-06 | 2013-12-18 | 西安空间无线电技术研究所 | Microwave power amplifier with Doherty structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106330101A (en) | 2017-01-11 |
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Granted publication date: 20191001 Termination date: 20210618 |