CN106026722A - Rectification circuit and ultrahigh frequency tag with rectification circuit - Google Patents
Rectification circuit and ultrahigh frequency tag with rectification circuit Download PDFInfo
- Publication number
- CN106026722A CN106026722A CN201610493679.1A CN201610493679A CN106026722A CN 106026722 A CN106026722 A CN 106026722A CN 201610493679 A CN201610493679 A CN 201610493679A CN 106026722 A CN106026722 A CN 106026722A
- Authority
- CN
- China
- Prior art keywords
- circuit
- voltage
- rectification circuit
- charge pump
- rect
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/25—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only arranged for operation in series, e.g. for multiplication of voltage
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07773—Antenna details
- G06K19/07786—Antenna details the antenna being of the HF type, such as a dipole
Abstract
The invention relates to a rectification circuit and an ultrahigh frequency tag with the rectification circuit. The rectification circuit comprises a multistage charge pump. The rectification circuit comprises a high voltage output end which is the output end of the charge pump of the first preset number of stage of the multistage charge pump; and a low voltage output end which is the output end of the charge pump of the second preset number of stage of the multistage charge pump. The characteristic that the efficiency is higher when the number of the stages of the charge pump is less is fully utilized, and the output voltage node of a rectifier is adjusted so as to provide the high voltage output end and the low voltage output end. The high voltage output end and the low voltage output end can be respectively used for supplying power to different modules so that the effect of enhancing the efficiency of the rectification circuit can be realized.
Description
Technical field
The invention belongs to IC design field, relate to a kind of rectification circuit and there is rectified current
The superfrequency label on road.
Background technology
At present, the superfrequency of 900MHz (English: Ultra High Frequency, abbreviation:
UHF) the quickly growing of label, receiving sensitivity is already close to-20dBm (Chinese: decibel
In the least).The absolute value the highest explanation receiving sensitivity of power is the highest.The reception improving circuit is sensitive
Degree requires that label realizes the low power dissipation design of analogy and digital circuit: the quiescent dissipation of analog circuit
Need constantly abatement；Running voltage and fall is constantly reduced while the power consumption abatement of digital circuit
The clock frequency of low system.These all be throttling measure, but be because rectification (abbreviation:
RECT) circuit is inefficient, causes increasing income, and this still cannot meet and constantly carries now
High receiving sensitivity requirement.Therefore, in order to improve the sensitivity of UHF label, how to carry
The efficiency of high commutator is problems of the prior art.
The information being disclosed in this background section is merely intended to increase the overall back of the body to the present invention
The understanding of scape, and be not construed as recognizing or imply in any form that this information structure is for this
Prior art well known to skilled person.
Summary of the invention
Technical problem
In view of this, the technical problem to be solved in the present invention is, how to provide a kind of rectification circuit
With the efficiency that the UHF label with rectification circuit can improve rectification circuit, and by improve
The efficiency of rectification circuit and improve the receiving sensitivity of UHF label further.
Solution
For solving above technical problem, the present invention provides a kind of rectification circuit, bag in first aspect
Include multi stage charge pump；
High-voltage output terminal, described high-voltage output terminal be in described multi stage charge pump first make a reservation for
The electric charge delivery side of pump of progression；And
Low-voltage output end, described low-voltage output end be in described multi stage charge pump second make a reservation for
The electric charge delivery side of pump of progression.
In a kind of possible implementation, described second predetermined progression makes a reservation for less than described first
Progression, and described first predetermined progression is less than or equal to total progression of described electric charge pump.
In a kind of possible implementation, the output voltage of described high-voltage output terminal is higher than institute
State the output voltage of low-voltage output end.
The present invention provides a kind of superfrequency label with rectification circuit in second aspect, including:
According to the rectification circuit according to any one of above a first aspect of the present invention；
Electrostatic discharge circuit, is connected with described rectification circuit, modulation circuit and demodulator circuit, institute
State radio-frequency voltage VRF of electrostatic discharge circuit output as described rectification circuit, described modulation
Circuit and the input of described demodulator circuit；
The high-voltage output terminal of described rectification circuit is connected with current-limiting circuit, and described high voltage exports
The DC high voltage VDDH_RECT of end output is as the input of described current-limiting circuit；
The low-voltage output end of described rectification circuit is connected with mu balanced circuit and reset circuit, described
The DC low-voltage VDD_RECT of low-voltage output end output is as described mu balanced circuit and institute
State the input of reset circuit.
In a kind of possible implementation, described rectification circuit includes multi stage charge pump, described
The DC high voltage VDDH_RECT of rectification circuit output is the in described multi stage charge pump
The output voltage of one predetermined progression, the DC low-voltage of described rectification circuit output
VDD_RECT is the output voltage of the predetermined progression of second in described multi stage charge pump, described
Second predetermined progression be less than described first predetermined progression, and described first predetermined progression less than or
Total progression equal to described electric charge pump.
In a kind of possible implementation, described superfrequency label, also include:
Described current-limiting circuit, is connected with reference circuit and multi-path transmission circuit, described current limliting electricity
Defeated as described reference circuit and described multi-path transmission circuit of the voltage VDDH of road output
Enter.
In a kind of possible implementation, described superfrequency label, also include:
Described mu balanced circuit, with clock circuit, random number circuit, Zone bit circuit and numeral electricity
Road connect, described mu balanced circuit output voltage VDD as described clock circuit, described with
Machine number circuit, described Zone bit circuit and the input of described digital circuit.
In a kind of possible implementation, the peak absolute value of described VRF is less than or equal to two
Pole pipe threshold voltage.
In a kind of possible implementation, the peak absolute value of described VRF is less than or equal to
0.7V；The peak absolute value of described VDD is more than or equal to 0.7V；Described VDDH, described
The peak absolute value of VDDH_RECT is less than or equal to 2V；Described VDD_RECT is more than 0.7V
And less than 2V.
Beneficial effect
A kind of rectification circuit that the present invention provides, including multi stage charge pump, by arranging high voltage
Outfan, described high-voltage output terminal is the electric charge of the first predetermined progression in described multi stage charge pump
Delivery side of pump；And low-voltage output end, described low-voltage output end is described multistage electric charge
The electric charge delivery side of pump of the second predetermined progression, this high-voltage output terminal and low-voltage output in pump
End may be respectively used for different module for power supply, takes full advantage of the fewest efficiency of charge pump stage number
The highest characteristic, it is possible to increase the effect of rectification circuit efficiency.
A kind of superfrequency label with this rectification circuit that the present invention provides, is made by VRF
For the input of rectification circuit, modulation circuit and demodulator circuit, VDDH_RECT is as current limliting
The input of circuit, VDD_RECT is as mu balanced circuit and the input of reset circuit, according to not
With the different electrical power voltage requirements of load blocks, adjust UHF framework, be arranged in difference
In the commutator output of level, reasonable disposition voltage, improve rectifier efficiency and UHG
Sensitivity.
A kind of superfrequency label with this rectification circuit that the present invention provides, passes through VDDH
As described reference circuit and the input of described multi-path transmission circuit, VDD is as time described
Clock circuit, described random number circuit, described Zone bit circuit and the input of described digital circuit,
Different electrical power voltage requirements according to different loads module, adjusts UHF framework, is configured
In the commutator output the most at the same level, reasonable disposition voltage, improve rectifier efficiency and
The sensitivity of UHG.
According to below with reference to the accompanying drawings to detailed description of illustrative embodiments, other of the present invention is special
Levy and aspect will be clear from.
Accompanying drawing explanation
Comprise in the description and constitute the accompanying drawing of a part of description together with description
Show the exemplary embodiment of the present invention, feature and aspect, and for explaining the present invention's
Principle.
Fig. 1 illustrates more conventional N level Dickson charge pump RECT structure；
Fig. 2 illustrates the circuit diagram of the multi-stage rectifying circuit of metal-oxide-semiconductor；
Fig. 3 illustrates the power supply structure of current UHF label；
Fig. 4 illustrates the analysis circuit diagram of current UHF label；
Fig. 5 illustrates the structural representation of a kind of rectification circuit that the embodiment of the present invention provides；
Fig. 6 illustrates a kind of UHF label with rectification circuit that the embodiment of the present invention provides
Schematic diagram；
Fig. 7 illustrates the output comparison diagram of the embodiment of the present invention and prior art.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the detailed description of the invention of the present invention is described in detail, but it should
Understand that protection scope of the present invention is not limited by detailed description of the invention.
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below will knot
Close the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear,
Be fully described by, it is clear that described embodiment be a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
Make the every other embodiment obtained under creative work premise, broadly fall into present invention protection
Scope.Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims,
Term " includes " or its conversion is stated as will be understood to comprise " comprising " or " including " etc.
Element or ingredient, and do not get rid of other element or other ingredient.
The most special word " exemplary " means " as example, embodiment or illustrative ".This
In should not necessarily be construed as any embodiment illustrated by " exemplary " real preferred or advantageous over other
Execute example.
It addition, in order to better illustrate the present invention, detailed description of the invention below gives
Numerous details.It will be appreciated by those skilled in the art that there is no some detail, this
Invention is equally implemented.In some instances, for method well known to those skilled in the art,
Means, element are not described in detail, in order to highlight the purport of the present invention.
Embodiment 1
Rectification circuit is as the key modules of whole UHF, and main effect is to be formed with antenna
Impedance matching, obtains the biggest energy and is supplied to follow-up load.Its principle is by antenna
On while sine voltage signal is converted into direct current by a small margin, amplitude is carried out through electric charge pump
Boosting converts, and obtains the magnitude of voltage that load is suitable for.Its Key Performance Indicator includes rectification efficiency,
I.e. reduce the consumption of self while rectifier boost as far as possible.In the case of load is constant, improve
The efficiency of rectification circuit can be effectively improved the receiving sensitivity of UHF label.
Fig. 1 illustrates more conventional N level Dickson charge pump RECT structure.The most basic
The RECT of upper all of UHF label is to use this structure or the optimization in this structure
Modification.
The efficiency value of whole circuit can simply be expressed as:
But the factor wherein affecting efficiency value is a lot, such as the progression of electric charge pump, technological parameter,
Diode component threshold value (or MOS device threshold value), load current, input voltage amplitude
Deng.Wherein, directly related with rectification circuit design content is adopting of the device of rectification circuit own
With the progression with rectification circuit.
According to formula (1), modification can get:
Wherein, Pd is the power consumption of every grade, so in the case of input power is constant,
It is to improve the key of rectification efficiency that the sum of series of reduction rectification circuit reduces the power consumption of every grade.
Traditional Dickson rectification circuit is all to use Schottky diode as rectification circuit part
, but diode has threshold value to lose, and inefficient.So current whole for Dickson
Current circuit has carried out a lot of modification.Have intrinsic transistor native MOS, NMOS (English:
N-Metal-Oxide-Semiconductor) transistor, PMOS is (English: P-Metal Oxide
Semiconductor) transistor etc..
Fig. 2 illustrates the circuit diagram of the multi-stage rectifying circuit of metal-oxide-semiconductor.Fig. 3 illustrates current UHF
The power supply structure of label.
As it is shown on figure 3, VRF be by static discharge (English: Electro-Static discharge,
Abbreviation: the ESD) radio-frequency voltage after circuit, it is as rectification (abbreviation: RECT), modulate
(abbreviation: MOD) (abridge: the DEM) input of circuit, due to depositing of ESD with demodulation
, the peak absolute value of VRF is less than diode threshold, about 0.7V.
VRECT is the DC source of rectification output, and it is only used as current limliting (abbreviation: LIM)
The input of circuit, owing to current-limiting circuit exists, VRECT peak value is about 2V.
VDDH be current-limiting circuit output, as reset (abbreviation: PDR) and voltage stabilizing (abridge:
REG) input of circuit, its voltage is similar with VRECT, and peak value is about 2V.
VDD is mu balanced circuit output, as benchmark (REF), clock (OSC), random
Number (RNG) and the input of flag bit (FLAG) circuit, its voltage is about 1V.
As shown in Figure 3, it is assumed that input power is identical, aerial network mate completely and export negative
Load electric current is identical, and ESD, RECT, LIM regard as an entirety, can obtain exporting energy
Measure and the ratio of input energy, i.e. rectification efficiency.
Fig. 4 illustrates the analysis circuit diagram of current UHF label, utilizes this analysis circuit,
Analyze different rectification circuit device include native MOS, NMOS (English:
N-Metal-Oxide-Semiconductor) transistor, PMOS is (English: P-Metal Oxide
Semiconductor) transistor, Schottky diode schottky and progression are for the shadow of efficiency
Ring, the data of table 1 can be obtained.
| Progression | Schottky | nativeMOS | NMOS | PMOS |
| 2 | 52% | 60% | 55% | 45% |
| 3 | 46% | 56% | 35% | 22% |
| 4 | 36% | 49% | 14% | 1% |
| 5 | 25% | 40% | 3% | 0 |
Table 1
Knowable to table 1 is analyzed: the rectification efficiency that different rectifying devices obtains is different, most important
Be when progression increases, the efficiency of rectification circuit is constantly declining.
As shown in Figure 4, all output with reorganizer of all of load blocks is directly connected to, then
The output voltage of rectification circuit will be that in all load blocks, source voltage requirements is maximum, and this increases
Having added the energy expenditure of load, efficiency declines.
Additionally, rectification circuit is multi-stage cascade, the data analysis from table 1 before understands, level
The progression of connection is the most, and rectification circuit efficiency will decline.
Fig. 5 illustrates the structural representation of a kind of rectification circuit that the embodiment of the present invention provides, such as figure
Shown in, this rectification circuit includes multi stage charge pump, and includes: high-voltage output terminal and low electricity
Pressure outfan.
High-voltage output terminal, described high-voltage output terminal be in described multi stage charge pump first make a reservation for
The electric charge delivery side of pump of progression, is used for providing DC high voltage VDDH_RECT, and
Low-voltage output end, described low-voltage output end is the second predetermined progression in described multi stage charge pump
Electric charge delivery side of pump be used for providing DC low-voltage VDD_RECT, DC high voltage
VDDH_RECT is more than DC low-voltage VDD_RECT.
Described second predetermined progression is less than described first predetermined progression, and described first predetermined level
Number is less than or equal to total progression of electric charge pump in rectification circuit.Fig. 5 with the second predetermined progression is
3, the first predetermined progression be electric charge pump total progression as a example by illustrate, in the example of hgure 5,
High-voltage output terminal is the outfan of rectification afterbody, is used for providing DC high voltage
VDDH_RECT；And the outfan that low-voltage output end is the third level is used for providing direct current low
Voltage VDD_RECT.
The embodiment of the present invention has recognized the spy that in commutator, the fewest efficiency of charge pump stage number is the highest
Property, and take full advantage of this characteristic, adjust the output voltage node of commutator to provide high voltage
Outfan and low-voltage output end, this high-voltage output terminal and low-voltage output end can be used respectively
In to different module for power supply, it is achieved that improve the effect of rectification circuit efficiency.
Embodiment 2
Fig. 6 illustrates a kind of UHF label with rectification circuit that the embodiment of the present invention provides,
As shown in Figure 6, this UHF label includes: RECT circuit 11, ESD circuit 12, MOD
Circuit 13, DEM circuit 14, LIM circuit 15, REG circuit 16, PDR circuit 17,
REF circuit 18 and MTP circuit 19, OSC circuit 21, RNG circuit 22, FLAG
Circuit 23 and DIGITAL circuit 24.
RECT circuit 11 is the RECT circuit provided according to the embodiment of the present invention 1.RECT
Circuit may be used for the radiofrequency signal received is converted into required commutating voltage.
ESD circuit 12, with RECT circuit 11, MOD circuit 13 and DEM circuit 14
Connecting, radio-frequency voltage VRF of ESD circuit 12 output is as RECT circuit 11, MOD
The input of circuit 13 and DEM circuit 14.DEM circuit 14 will carry in radio-frequency voltage
Data revert to the manageable demodulating data of digital display circuit, and MOD circuit 13 is to digital display circuit
In data be modulated, transmit signal by antenna port.
The high-voltage output terminal of RECT circuit 11 is connected RECT circuit with LIM circuit 15
The DC high voltage VDDH_RECT of the high-voltage output terminal output of 11 is as described LIM electricity
The input on road 15.The low-voltage output end of RECT circuit 11 and voltage stabilizing REG circuit 16 and
Reset PDR circuit 17 connects, the direct current of the low-voltage output end output of RECT circuit 11
Low-voltage VDD_RECT is as the input of REG circuit 16 and PDR circuit 17.REG
Circuit 16 is that commutating voltage is carried out voltage stabilizing, provides running voltage, PDR circuit 17 for label
Reset signal needed for providing for digital display circuit, and VDD_RECT and VDDH voltage is entered
The lower electro-detection of row, it is ensured that circuit is operated in the range of the voltage of minimum.
RECT circuit 11 includes multi stage charge pump, the direct current height electricity of RECT circuit 11 output
Pressure VDDH_RECT is the output voltage of the predetermined progression of first in described multi stage charge pump,
The DC low-voltage VDD_RECT of RECT circuit 11 output is in described multi stage charge pump
The output voltage of the second predetermined progression, described second predetermined progression is less than described first predetermined progression,
And described first predetermined progression is less than or equal to total progression of described electric charge pump.In conjunction with Fig. 5 institute
Show, with the second predetermined progression for 3, the first predetermined progression be electric charge pump total progression as a example by carry out
Illustrating, the output voltage of commutator is not limited to only export the third level and afterbody, permissible
Difference according to load voltage is drawn for other module for power supply at other inter-stages.
LIM circuit 15, with benchmark REF circuit 18 and multi-path transmission MTP circuit 19
Connecting, the voltage VDDH of LIM circuit 15 output is as described REF circuit 18 and described
The input of MTP circuit 19.
Described REG circuit 16, with clock OSC circuit 21, random number R NG circuit 22,
Flag bit FLAG circuit 23 and numeral DIGITAL circuit 24 connect, described REG circuit
The voltage VDD of 16 outputs is as described OSC circuit 21, described RNG circuit 22, FLAG
The input of circuit 23 and DIGITAL circuit 24.OSC circuit 21 provides for digital display circuit
Stable clock signal,
Wherein, the peak absolute value of VRF is less than or equal to diode threshold voltage, the peak of VRF
The value absolute value peak absolute value less than or equal to 0.7V, VDD is more than or equal to 0.7V,
The peak absolute value of VDDH, VDDH_RECT is big less than or equal to 2V, VDD_RECT
In 0.7V and less than 2V.
Fig. 7 illustrates the output comparison diagram of the embodiment of the present invention and prior art, such as Fig. 7 institute
Show, ESD, RECT, LIM are regarded an entirety as, it is assumed that input power is identical, antenna
Network mates completely, analyzes the rectification efficiency of overall architecture.
From figure 7 it can be seen that along with the increase of load current, the entirety of the embodiment of the present invention is defeated
Go out power to improve.It can be assumed that when load current is constant, the input work of Fig. 6 of the present invention
Rate can structure than Fig. 4 before low more, then the most just improve the efficiency of UHF label
And activating sensitivity.
Prior art (Fig. 4) improves the efficiency of commutator RECT must be at the knot of rectification circuit
Deepen on structure, or improve in technique.But circuit structure state of the art is
Through finalizing the design almost, it is difficult to improve a lot, and process improving needs technique factory to be optimized,
Greatly differ from each other with circuit design, be not the most to be easy to put forward high efficiency method.
The embodiment of the present invention has recognized the spy that in commutator, the fewest efficiency of charge pump stage number is the highest
Property and take full advantage of this characteristic, adjust the output voltage node of commutator, give different respectively
Module for power supply, it is achieved that improve the effect of rectification circuit efficiency.
Prior art (Fig. 4) not in view of disparate modules for supply voltage demand not
Same feature, loaded for institute voltage is unified, waste power consumption, reduce the efficiency of commutator.
The embodiment of the present invention, according to the different electrical power voltage requirements of different loads module, adjusts UHF frame
Structure, be arranged in the commutator the most at the same level output, reasonable disposition voltage, improves whole
Stream device efficiency and the sensitivity of UHG.
Device embodiment described above is only schematically, wherein said as separated part
The unit of part explanation can be or may not be physically separate, shows as unit
Parts can be or may not be physical location, i.e. may be located at a place, or also
Can be distributed on multiple NE.Can select according to the actual needs part therein or
The whole module of person realizes the purpose of the present embodiment scheme.Those of ordinary skill in the art are not paying
In the case of going out performing creative labour, i.e. it is appreciated that and implements.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, be
System or computer program.Therefore, the present invention can use complete hardware embodiment, completely
Software implementation or the form of the embodiment in terms of combining software and hardware.And, the present invention
Can use and can use at one or more computers wherein including computer usable program code
The upper calculating implemented of storage medium (including but not limited to disk memory and optical memory etc.)
The form of machine program product.
The aforementioned description to the specific illustrative embodiment of the present invention illustrates that and illustration
Purpose.These describe and are not wishing to limit the invention to disclosed precise forms, and very
Obviously, according to above-mentioned teaching, can much change and change.Exemplary embodiment is entered
Row selects and the purpose of description is to explain the certain principles of the present invention and actual application thereof, thus
Those skilled in the art is capable of and utilizes that the present invention's is various different exemplary
Embodiment and various different selection and change.The scope of the present invention is intended to by claim
Book and equivalents thereof are limited.
Claims (9)
1. a rectification circuit, it is characterised in that including:
Multi stage charge pump；
High-voltage output terminal, described high-voltage output terminal be in described multi stage charge pump first make a reservation for
The electric charge delivery side of pump of progression；And
Low-voltage output end, described low-voltage output end be in described multi stage charge pump second make a reservation for
The electric charge delivery side of pump of progression.
Rectification circuit the most according to claim 1, it is characterised in that described second pre-
Deciding grade and level number is less than described first predetermined progression, and described first predetermined progression is less than or equal to institute
State total progression of electric charge pump.
Rectification circuit the most according to claim 2, it is characterised in that described high voltage
The output voltage of outfan is higher than the output voltage of described low-voltage output end.
4. a superfrequency label with rectification circuit, it is characterised in that including:
According to the rectification circuit according to any one of claim 1-3；
Electrostatic discharge circuit, is connected with described rectification circuit, modulation circuit and demodulator circuit, institute
State radio-frequency voltage VRF of electrostatic discharge circuit output as described rectification circuit, described modulation
Circuit and the input of described demodulator circuit；
The high-voltage output terminal of described rectification circuit is connected with current-limiting circuit, and described high voltage exports
The DC high voltage VDDH_RECT of end output is as the input of described current-limiting circuit；
The low-voltage output end of described rectification circuit is connected with mu balanced circuit and reset circuit, described
The DC low-voltage VDD_RECT of low-voltage output end output is as described mu balanced circuit and institute
State the input of reset circuit.
Superfrequency label the most according to claim 4, it is characterised in that described rectification
Circuit includes multi stage charge pump, the DC high voltage VDDH_RECT of described rectification circuit output
For the output voltage of the predetermined progression of first in described multi stage charge pump, described rectification circuit exports
DC low-voltage VDD_RECT be the defeated of the predetermined progression of second in described multi stage charge pump
Going out voltage, described second predetermined progression is less than described first predetermined progression, and described first pre-
Deciding grade and level number is less than or equal to total progression of described electric charge pump.
6. according to the superfrequency label described in claim 4 or 5, it is characterised in that also wrap
Include:
Described current-limiting circuit, is connected with reference circuit and multi-path transmission circuit, described current limliting electricity
Defeated as described reference circuit and described multi-path transmission circuit of the voltage VDDH of road output
Enter.
Superfrequency label the most according to claim 6, it is characterised in that also include:
Described mu balanced circuit, with clock circuit, random number circuit, Zone bit circuit and numeral electricity
Road connect, described mu balanced circuit output voltage VDD as described clock circuit, described with
Machine number circuit, described Zone bit circuit and the input of described digital circuit.
Superfrequency label the most according to claim 7, it is characterised in that described VRF
Peak absolute value less than or equal to diode threshold voltage.
Superfrequency label the most according to claim 8, it is characterised in that described VRF
Peak absolute value less than or equal to 0.7V；The peak absolute value of described VDD is more than or equal to 0.7V；
Described VDDH, the peak absolute value of described VDDH_RECT are less than or equal to 2V；Described
VDD_RECT is more than 0.7V and less than 2V.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610493679.1A CN106026722B (en) | 2016-06-28 | 2016-06-28 | A kind of rectification circuit and the superfrequency label with the rectification circuit |
| PCT/CN2016/107160 WO2018000703A1 (en) | 2016-06-28 | 2016-11-24 | Rectifier circuit and uhf tag having said rectifier circuit |
| BR112018077441-3A BR112018077441B1 (en) | 2016-06-28 | 2016-11-24 | ULTRA HIGH FREQUENCY (UHF) MARK |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610493679.1A CN106026722B (en) | 2016-06-28 | 2016-06-28 | A kind of rectification circuit and the superfrequency label with the rectification circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106026722A true CN106026722A (en) | 2016-10-12 |
| CN106026722B CN106026722B (en) | 2018-03-27 |
Family
ID=57104339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610493679.1A Active CN106026722B (en) | 2016-06-28 | 2016-06-28 | A kind of rectification circuit and the superfrequency label with the rectification circuit |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN106026722B (en) |
| BR (1) | BR112018077441B1 (en) |
| WO (1) | WO2018000703A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849711A (en) * | 2017-03-13 | 2017-06-13 | 北京工业大学 | A kind of dual output rectification circuit suitable for the passive UHF chips of human body implantation type |
| WO2018000703A1 (en) * | 2016-06-28 | 2018-01-04 | 北京智芯微电子科技有限公司 | Rectifier circuit and uhf tag having said rectifier circuit |
| CN109952714A (en) * | 2017-01-24 | 2019-06-28 | 欧姆龙株式会社 | Tag circuit |
| CN111179802A (en) * | 2019-06-20 | 2020-05-19 | 友达光电股份有限公司 | Display system |
| CN111464052A (en) * | 2020-05-12 | 2020-07-28 | 苏州芯达微电子科技有限公司 | Novel rectifier circuit for wireless NFC energy collection |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015111362A (en) * | 2013-12-06 | 2015-06-18 | 凸版印刷株式会社 | Information recording apparatus and recorded information management method |
| CN105680674A (en) * | 2016-04-15 | 2016-06-15 | 上海华虹宏力半导体制造有限公司 | Transmission circuit and memory circuit |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3019841B1 (en) * | 1998-09-30 | 2000-03-13 | 日本電気株式会社 | High voltage power supply circuit |
| KR100732277B1 (en) * | 2005-05-30 | 2007-06-25 | 주식회사 하이닉스반도체 | Modulator/demodulator in RFID with non-volatile ferroelectric memory |
| CN101373524A (en) * | 2007-08-20 | 2009-02-25 | 天津南大强芯半导体芯片设计有限公司 | Radio frequency identification label circuit system structure and working method and application thereof |
| CN104156757B (en) * | 2014-06-25 | 2017-04-05 | 赵犁 | The passive ultra-high frequency super low-power consumption RFID label chip of embedded temperature sensor |
| CN104158400A (en) * | 2014-07-18 | 2014-11-19 | 江苏博纬新能源科技有限公司 | Modularized high-pressure power supply circuit |
| CN204204013U (en) * | 2014-12-04 | 2015-03-11 | 武汉翔翼科技有限公司 | A kind of UHF electronic passenger ticket |
| CN106026722B (en) * | 2016-06-28 | 2018-03-27 | 北京智芯微电子科技有限公司 | A kind of rectification circuit and the superfrequency label with the rectification circuit |
-
2016
- 2016-06-28 CN CN201610493679.1A patent/CN106026722B/en active Active
- 2016-11-24 BR BR112018077441-3A patent/BR112018077441B1/en active IP Right Grant
- 2016-11-24 WO PCT/CN2016/107160 patent/WO2018000703A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015111362A (en) * | 2013-12-06 | 2015-06-18 | 凸版印刷株式会社 | Information recording apparatus and recorded information management method |
| CN105680674A (en) * | 2016-04-15 | 2016-06-15 | 上海华虹宏力半导体制造有限公司 | Transmission circuit and memory circuit |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018000703A1 (en) * | 2016-06-28 | 2018-01-04 | 北京智芯微电子科技有限公司 | Rectifier circuit and uhf tag having said rectifier circuit |
| CN109952714A (en) * | 2017-01-24 | 2019-06-28 | 欧姆龙株式会社 | Tag circuit |
| US10965165B2 (en) | 2017-01-24 | 2021-03-30 | Omron Corporation | Tag circuit |
| CN109952714B (en) * | 2017-01-24 | 2022-03-01 | 欧姆龙株式会社 | Label circuit |
| CN106849711A (en) * | 2017-03-13 | 2017-06-13 | 北京工业大学 | A kind of dual output rectification circuit suitable for the passive UHF chips of human body implantation type |
| CN111179802A (en) * | 2019-06-20 | 2020-05-19 | 友达光电股份有限公司 | Display system |
| CN111464052A (en) * | 2020-05-12 | 2020-07-28 | 苏州芯达微电子科技有限公司 | Novel rectifier circuit for wireless NFC energy collection |
| CN111464052B (en) * | 2020-05-12 | 2021-04-27 | 苏州芯达微电子科技有限公司 | Novel rectifier circuit for wireless NFC energy collection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106026722B (en) | 2018-03-27 |
| BR112018077441B1 (en) | 2022-12-27 |
| WO2018000703A1 (en) | 2018-01-04 |
| BR112018077441A2 (en) | 2019-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106026722A (en) | Rectification circuit and ultrahigh frequency tag with rectification circuit | |
| US10312743B2 (en) | RF-to-DC power converters for wireless powering | |
| CN103699929B (en) | The rectification that a kind of switching signal controls and amplitude limiter circuit and passive RF label | |
| CN105956647B (en) | A kind of demodulator circuit applied to passive ultra-high frequency radio frequency identification label chip | |
| CN103618468B (en) | Form high efficiency rectifier and the rectification unit of RFID | |
| CN104516381A (en) | Rectification and voltage stabilization circuit for radio frequency identification | |
| CN103699928B (en) | A kind of amplitude limiter circuit and passive RF label that can adjust rectified signal amplitude continuously | |
| CN103138568B (en) | Rectifying circuit and radio frequency identification (RFID) chip | |
| Mansour et al. | Reconfigurable multistage RF rectifier topology for 900 MHz ISM energy-harvesting applications | |
| CN103715920A (en) | Rectifier circuit and radio frequency identification tag circuit chip comprising the same | |
| Kamalinejad et al. | An efficiency enhancement technique for CMOS rectifiers with low start-up voltage for UHF RFID tags | |
| CN102063638B (en) | Rectification circuit for radio frequency electronic tags | |
| CN101692607A (en) | High stability clock circuit for passive high-frequency radio frequency identification chip | |
| CN103390303A (en) | Financial key based on audio frequency and USB data transmission and control method thereof | |
| Wang et al. | A high-efficiency full-wave CMOS rectifying charge pump for RF energy harvesting applications | |
| CN106874988B (en) | Amplitude limiter circuit and RFID tag in radio frequency identification | |
| CN106599974B (en) | A kind of power rectifier circuit of electronic tag | |
| Syed et al. | RF energy harvesting chip powered sensor node | |
| CN102456152A (en) | Power generation circuit for electronic tag of RFID (radio frequency identification) system | |
| CN103927577A (en) | Micropower high-sensitivity demodulator for forming RFID electronic tag and envelope detector | |
| CN203596755U (en) | RFID rectifier with high efficiency and rectifier units | |
| CN206193873U (en) | Radio frequency supply circuit and hyperfrequency passive tag | |
| CN102075144B (en) | Electronic tag demodulation circuit | |
| Bakhtiar et al. | An RF power harvesting system with input-tuning for long-range RFID tags | |
| CN106372711B (en) | Radio frequency power supply circuit and ultrahigh frequency passive electronic tag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |