CN105897264A - Quick on/ off source follower - Google Patents
Quick on/ off source follower Download PDFInfo
- Publication number
- CN105897264A CN105897264A CN201610312801.0A CN201610312801A CN105897264A CN 105897264 A CN105897264 A CN 105897264A CN 201610312801 A CN201610312801 A CN 201610312801A CN 105897264 A CN105897264 A CN 105897264A
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- source follower
- switched
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/002—Provisions or arrangements for saving power, e.g. by allowing a sleep mode, using lower supply voltage for downstream stages, using multiple clock domains or by selectively turning on stages when needed
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/124—Sampling or signal conditioning arrangements specially adapted for A/D converters
- H03M1/1245—Details of sampling arrangements or methods
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
- Electronic Switches (AREA)
Abstract
The invention relates to a quick on/ off source follower. The quick on/ off source follower comprises a source follower, an on/ off circuit and a bias circuit, wherein the on/ off circuit receives signal sampling time information/ signal conversion time information, the process of the on/ off source follower is started according to the display result, and a corresponding on/ off signal is output to the bias circuit for accelerating the process of the on/ off source follower to realize excellent performance with low power consumption. The process of the on/ off source follower is started according to the display result of the on/ off circuit, and a corresponding on/ off signal is output to the bias circuit for accelerating the process of the on/ off source follower, so that the source follower has the advantages of high-speed stability and low power consumption.
Description
Technical field
The present invention relates to microelectric technique design field, specifically, the present invention relates to fast shut-off/connect
The source follower led to and the equipment of the source follower realizing fast shut-off/connection.
Background technology
Existing analog-digital converter is the important interface between analogue signal and digital signal.Along with technique and
The development of technology, has the analog-to-digital conversion device of low-power consumption, small size, intermediate resolution and high speed
Demand is increasing.
In order to obtain high performance analog-digital converter, existing technology uses the source follower conduct in broadband
The buffer of analog input signal.So, analog voltage signal is through the buffering of the source follower in broadband
Process, to obtain the analogue signal to be converted with certain driving force and the good linearity.
The bottleneck of existing high-speed AD converter development is mainly manifested in: in analog-digital converter high-speed applications
In, in order to meet requirement at a high speed, need the source follower of matched bandwidth.Accordingly,
The broader source follower of bandwidth has faster sampling rate.Therewith, the operation of higher sample rate is big
Amount power consumption, cannot shed in time if producing unnecessary heat, it will slow down high-speed AD converter
Properly functioning, even can damage high-speed AD converter, reduce the service life of high-speed AD converter.
Summary of the invention
The embodiment of the present invention provides source follower and the equipment thereof of a kind of fast shut-off/connection, and this is quick
It is switched off/on source follower and is switched off/on source electrode by being switched off/on the display result startup of circuit
The process of follower output are switched off/on signal to biasing circuit accordingly for accelerating to cut off/connect
The process of logical source follower realizes low-power consumption.
First aspect, embodiments provides the source follower of a kind of fast shut-off/connection, soon
Speed is switched off/on source follower and includes: source follower, be switched off/on circuit and biasing circuit,
It is switched off/on circuit and receives corresponding with the signal sampling process carried out in source follower
Signal sampling temporal information, and start at the end of signal sampling temporal information demonstrates signal sampling process
Cut off the process of source follower and export corresponding shutoff signal to biasing circuit for accelerating cut-out source
The process of pole follower, sampling time information is corresponding with the sampling clock being switched off/on circuit；Or,
It is switched off/on circuit and receives corresponding with the signal conversion process carried out in analog-digital converter
Conversion timing signal information, and start at the end of conversion timing signal information presentation signal transformation process and connect
The process of logical source follower the corresponding signal of connecting of output connect source electrode to biasing circuit for acceleration
The process of follower, conversion timing signal information is corresponding with the change over clock being switched off/on circuit.
Preferably, it is switched off/on circuit to include:
Switch realizes the transformation process being switched off/on source follower,
Process that pre-charging capacitor realizes source follower is accelerated being switched off/on exporting is cut accordingly
Disconnected/to connect signal.
Preferably, source follower is the source follower with p-type metal-oxide-semiconductor.
Preferably, biasing circuit includes:
P-type metal-oxide-semiconductor and current source, wherein, the source electrode of p-type metal-oxide-semiconductor connects supply voltage, p-type
The grid of metal-oxide-semiconductor connects with one end of the drain electrode of p-type metal-oxide-semiconductor, current source to producing corresponding biasing
Voltage, the other end ground connection of current source.
Preferably, source follower is the source follower with N-type metal-oxide-semiconductor.
Preferably, the sampling clock of the sampling clock multiplexing analog to digital converter of circuit it is switched off/on.
Preferably, the change over clock of the change over clock multiplexing analog to digital converter of circuit it is switched off/on.
Preferably, the sampling clock of circuit, change over clock multiplexing analog to digital converter respectively it is switched off/on
Sampling clock and change over clock.
Second aspect, embodiments provides the setting of source follower realizing fast shut-off/connection
Standby, including the equipment of either circuit as described in relation to the first aspect.
The source follower of fast shut-off/connection that the embodiment of the present invention provides and equipment thereof, this is quickly cut
The source follower of disconnected/connection turns by being switched off/on circuit reception signal sampling temporal information/signal
Change temporal information, and be switched off/on the process of source follower according to display result startup and export corresponding
Be switched off/on signal to biasing circuit for accelerating to be switched off/on the process of source follower, with
Realize the premium properties of low-power consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of the source follower of the fast shut-off/connection of the embodiment of the present invention；
Fig. 2 is the source follower fast shut-off process of the fast shut-off/connection of the embodiment of the present invention
Circuit diagram；
Fig. 3 is the source follower quick-make process of the fast shut-off/connection of the embodiment of the present invention
Circuit diagram；
Fig. 4 a is the fast shut-off electricity of the source follower of the fast shut-off/connection of the embodiment of the present invention
Road equivalent schematic, Fig. 4 b is the source follower of the fast shut-off/connection of the embodiment of the present invention
Quick-make circuit equivalent schematic diagram；
Fig. 5 is that the fast shut-off of the source follower of the fast shut-off/connection of the embodiment of the present invention is with fast
The sequential chart of speed connection process.
Detailed description of the invention
Below by drawings and Examples, technical scheme is described in further detail.
As it is shown in figure 1, be the structure of the source follower of the fast shut-off/connection of the embodiment of the present invention
Schematic diagram.Fig. 1 is illustrated as: 101, source follower, 102, be switched off/on circuit, 103,
Biasing circuit, 104 analog digital conversion numbers.
As it is shown in figure 1, p-type MOS (Metal Oxide Semiconductor, metal-oxide is partly led
Body) pipe M1, p-type metal-oxide-semiconductor M2 and p-type metal-oxide-semiconductor M3 composition one p-type source electrode follow
Device；Wherein, the source electrode of metal-oxide-semiconductor M3 meets VDD, and wherein, VDD is supply voltage, and grid connects partially
VB (Bias Voltage, bias voltage), the i.e. VBP1 that circuits produces, drain electrode and metal-oxide-semiconductor M2
Source electrode connect, the grid of M2 meets bias voltage VX, and drain electrode is connected with the source electrode of metal-oxide-semiconductor M1,
As the outfan of source follower and export to analog-digital converter, the grid of metal-oxide-semiconductor M1 meets VIN
(Input Voltage Signal, input voltage signal), grounded drain.
It is switched off/on circuit to include: switch S1～S10, pre-charging capacitor CXAnd CY；Wherein, S1 one end
Connect the VBP2 that biasing circuit produces, the other end grid with p-type metal-oxide-semiconductor M2, one end phase of S2
Even, another termination VDD, S3 one end ground connection of S2, the other end and one end of S4 and electric capacity CXPhase
Even, the other end of S4 is connected with one end of S5, and the other end of S5 and an end of S6 receive electric capacity CY's
One end, one end of another termination S7 and S8 of another termination VDD, electric capacity CX of S6, S7's is another
The other end of one termination VDD, S8 and an end of S9 receive the other end of VDD, S9 and the one of S10
Terminate to CYThe other end, the other end ground connection of S10, S1, S4, S6, S8, S10 are by analog digital conversion
The CLKS (Sampling Clock, sampling clock) of device kernel controls, when S2 is by CLKS reverse
Clock system, (Holding Clock keeps by the CLKH of analog-digital converter kernel for S3, S5, S7, S9
Clock) control.
Biasing circuit includes: p-type metal-oxide-semiconductor M4, p-type metal-oxide-semiconductor M5, current source I1 and current source
I2.Wherein, the source electrode of p-type metal-oxide-semiconductor M4 connects VDD, grid and drain electrode, one end of current source I1
Connect, produce the other end ground connection of bias voltage VBP1, current source I1, the source of p-type metal-oxide-semiconductor M5
Pole meets VDD, and grid connects with one end of drain electrode, current source I2, produces bias voltage VBP2, electric current
The other end ground connection of source I2.
The input of analog-digital converter is connected with the outfan of source follower.It should be noted that modulus
Transducer is basic analog-digital converter, can not only complete the resampling process to analogue signal, also
It is capable of the translation process to data.
By the structural representation of the source follower of fast shut-off/connection as shown in Figure 1, permissible
Find out: started by the display result being switched off/on circuit and be switched off/on the process of source follower also
Output is switched off/on signal to biasing circuit accordingly for accelerating to be switched off/on source follower
Process, so makes source follower not only have the advantage that high speed is stable, but also has low-power consumption
Advantage.
Further, the sampling clock controlling clock multiplexing analog to digital converter kernel of circuit it is switched off/on
With holding clock.Due to be switched off/on circuit control clock need not self additional configuration clock
Produce circuit, thus reduce the complexity being switched off/on circuit design.
Further, due to the embodiment of the present invention provide source follower design in introduce cut-out/
Connect circuit.
It is switched off/on circuit to have the advantage that.First, need not source follower work when,
I.e. after analog-digital converter completes the process of sampling, and enter into analogue signal conversion immediately to numeral
During the process of the conversion of signal, it is switched off/on circuit and can start the process of fast shut-off source follower
And export corresponding shutoff signal to biasing circuit for accelerate cut off source follower process, so
Save the power consumption that source follower is consumed, so that the advantage that source follower has low-power consumption.
Second, when analog-to-digital conversion device completes this analogue signal conversion process to the conversion of digital signal
Time, when entering sampling process next time, it is switched off/on circuit and can start quick-make source electrode and follow
The process of device so that source follower quickly returns to the work of source follower from dissengaged positions before
Make state.So, it is switched off/on the process of circuit start quick-make source follower and exports corresponding
Connect signal to biasing circuit for accelerate connect source follower process, so make source electrode with
The advantage that high speed is stable is had with utensil.
Further illustrate, multiplexing analog to digital converter clock be switched off/on circuit can apply
In the design of p-type MOS source follower and N-type MOS source follower.
In the source follower of the fast shut-off/connection provided in the embodiment of the present invention, source follower,
Be switched off/on circuit, biasing circuit constitutes the low-power consumption dynamic source of a multiplexing analog to digital converter clock
Pole follower.
It is switched off/on circuit and receives corresponding with the signal sampling process carried out in source follower
Signal sampling temporal information, and start at the end of signal sampling temporal information demonstrates signal sampling process
Cut off the process of source follower and export corresponding shutoff signal to biasing circuit for accelerating cut-out source
The process of pole follower, sampling time information is corresponding with the sampling clock being switched off/on circuit；Or,
It is switched off/on circuit and receives corresponding with the signal conversion process carried out in analog-digital converter
Conversion timing signal information, and start at the end of conversion timing signal information presentation signal transformation process and connect
The process of logical source follower the corresponding signal of connecting of output connect source electrode to biasing circuit for acceleration
The process of follower, conversion timing signal information is corresponding with the change over clock being switched off/on circuit.
As embodiments of the invention, it is switched off/on circuit and includes switch and pre-charging capacitor.Wherein, open
Closing the transformation process realizing being switched off/on source follower, pre-charging capacitor realizes following source electrode
Device is accelerated the process that is switched off/on and exports and be switched off/on signal accordingly.
As embodiments of the invention, source follower can be that the source electrode with p-type metal-oxide-semiconductor is followed
Device.
As embodiments of the invention, biasing circuit includes: p-type metal-oxide-semiconductor and current source, wherein, and P
The source electrode of type metal-oxide-semiconductor connects supply voltage, the drain electrode of the grid of p-type metal-oxide-semiconductor and p-type metal-oxide-semiconductor,
One end of current source connects to produce corresponding bias voltage, the other end ground connection of current source.
As embodiments of the invention, source follower can also is that the source electrode with N-type metal-oxide-semiconductor with
With device.
As embodiments of the invention, it is switched off/on the adopting of sampling clock multiplexing analog to digital converter of circuit
Sample clock.
As embodiments of the invention, it is switched off/on the turning of change over clock multiplexing analog to digital converter of circuit
Change clock.
As embodiments of the invention, it is switched off/on the sampling clock of circuit, change over clock multiplexing respectively
The sampling clock of analog-digital converter and change over clock.
The source follower of the fast shut-off/connection of the embodiment of the present invention, by being switched off/on circuit
Display result start be switched off/on source follower process and export be switched off/on signal accordingly extremely
Biasing circuit, for accelerating to be switched off/on the process of source follower, so makes source follower not
Only there is the advantage that high speed is stable, but also the advantage with low-power consumption.
As in figure 2 it is shown, the source follower for the fast shut-off/connection of the embodiment of the present invention is quickly cut
The circuit diagram of disconnected process.
Figure it is seen that CLKH controls the Guan Bi of switch S3, S5, S7, S9；CLKS
The Guan Bi of reverse clock switch S2, rest switch is all in off-state.Now, MOS
The gate bias voltage VX of pipe M2 is connected to VDD, simultaneously to electric capacity CXIt is charged.At source electrode
During follower fast shut-off, electric capacity CXIt is charged to (VDD-GND), wherein, GND
(Ground, ground connection).
During being switched off/on circuit fast shut-off source follower, VX is connected to VDD, due in advance
C is held in chargingYEffect so that VX can reach VDD, metal-oxide-semiconductor M2 faster and can quickly cut
Disconnected, which save the power consumption that source follower is consumed, so that source follower has low-power consumption
Advantage.
As it is shown on figure 3, the source follower for the fast shut-off/connection of the embodiment of the present invention quickly connects
By the circuit diagram of journey.
From figure 3, it can be seen that CLKS controls the Guan Bi of switch S1, S4, S6, S8, S10, remaining
Switch is all in off-state.Now, the gate bias voltage VX of metal-oxide-semiconductor M2 is connected to VBP2,
Simultaneously to electric capacity CYIt is charged.During source follower quick-make, electric capacity CYIt is charged to
(VDD-GND), wherein, GND (Ground, ground connection).
During being switched off/on circuit quick-make source follower, recharged capacitance CXWith MOS
The parasitic gate electric capacity Cp of pipe M2 quickly carries out charge distributing, simultaneously the bias voltage VBP2 of M2
Also can start Cp is charged, under the effect that both are common, accelerate the dynamic source electrode of low-power consumption with
Process with the quick-make of device so that source follower quickly returns to source from dissengaged positions before
The duty of pole follower, so that source follower has the advantage that high speed is stable.
Fig. 4 a is the fast shut-off electricity of the source follower of the fast shut-off/connection of the embodiment of the present invention
Road equivalent schematic, Fig. 4 b is the fast shut-off/connection of the analog-digital converter of the embodiment of the present invention
The quick-make circuit equivalent schematic diagram of source follower.
From Fig. 4 a it can be seen that during being switched off/on circuit fast shut-off source follower, due to
Pre-charging capacitor CYEffect so that VX can reach VDD, metal-oxide-semiconductor M2 faster can be quick
Cut off, which save the power consumption that source follower is consumed, so that source follower has low merit
The advantage of consumption.
It is seen from fig. 4b that during being switched off/on circuit quick-make source follower, preliminary filling
Electricity electric capacity CXCharge distributing, simultaneously M2 is quickly carried out with the parasitic gate electric capacity Cp of metal-oxide-semiconductor M2
Bias voltage VBP2 also can start Cp is charged, thus it is quick to accelerate source follower
Dissengaged positions from before returns to the process of the duty of source follower.
Fig. 5 is that the fast shut-off of the source follower of the fast shut-off/connection of the embodiment of the present invention is with fast
The sequential chart of speed connection process.
As can be seen from Figure 5: during source follower fast shut-off, electric capacity CXIt is charged to
(VDD-GND), VX is connected to VDD, due to pre-charging capacitor CYEffect so that VX can be more
Fast reach VDD, metal-oxide-semiconductor M2 can fast shut-off, wherein, (Ground connects GND
Ground).
Contrastingly, during source follower quick-make, electric capacity CYIt is charged to (VDD-GND),
Recharged capacitance CXCharge distributing is quickly carried out with the parasitic gate electric capacity Cp of metal-oxide-semiconductor M2, with
Time M2 bias voltage VBP2 also can start Cp is charged, thus accelerate source follower
The process of the duty of source follower is quickly returned to from dissengaged positions before.
Need it is further noted that recharged capacitance CXBig I determined by equation below (1)
Recharged capacitance CXSize, wherein, do not consider switch conducting resistance: VX, initial value=VDD,
VX, final value=VBP2, VCX, preliminary filling=VDD-GND, VCX, final value=VDD-VBP2,
By charge conservation,
QInitial value=VDD × CP+(VDD-GND)×CX=QFinal value=(VDD-VBP2) × CX+VBP2×CP,
Equation below (1) is obtained by above-mentioned derivation:
As shown in above-mentioned formula, it should be noted that the source electrode provided in the embodiment of the present invention is followed
In device, recharged capacitance CXSize can be by what above-mentioned formula accurately calculated, to meet user's
Different demands.Relative to existing technology, the source follower that the embodiment of the present invention provides, it is possible to more
It is accurately controlled recharged capacitance CXSize accurately may be used so that source follower has further
The advantage of control property.
The circuit that is switched off/on of the source follower of the fast shut-off/connection of the embodiment of the present invention passes through fast
Speed start be switched off/on source follower process and export be switched off/on signal accordingly to biased electrical
Road, for accelerating to be switched off/on the process of source follower, so makes source follower not only have
The advantage of low-power consumption, but also there is the advantage that high speed is stable.
In actual applications, above-mentioned source follower can be also used for preparing and includes above-mentioned source follower
Equipment, detail, with reference to the corresponding details of source follower, does not repeats them here.
Above-described detailed description of the invention, is carried out the purpose of the present invention, technical scheme and beneficial effect
Further describe, be it should be understood that the foregoing is only the present invention detailed description of the invention and
, the protection domain being not intended to limit the present invention, all within the spirit and principles in the present invention, done
Any modification, equivalent substitution and improvement etc., should be included within the scope of the present invention.
Claims (9)
1. the source follower of fast shut-off/connection, it is characterised in that including: source electrode is followed
Device, it is switched off/on circuit and biasing circuit,
Described it is switched off/on the signal sampling process that circuit receives and carries out in described source follower
Corresponding signal sampling temporal information, and demonstrate that described signal is adopted in described signal sampling temporal information
Start at the end of sample process and cut off the process of described source follower and export corresponding shutoff signal to described
Biasing circuit for accelerate the described source follower of described cut-out process, described sampling time information with
The described sampling clock being switched off/on circuit is corresponding；Or,
Described it is switched off/on the signal conversion process that circuit receives and carries out in described analog-digital converter
Corresponding conversion timing signal information, and show that described signal is changed in described conversion timing signal information
At the end of process, process the output corresponding connection signal of the described source follower of startup connection are the most described partially
Circuits is for the process of the acceleration described source follower of described connection, described conversion timing signal information
Corresponding with the described change over clock being switched off/on circuit.
The source follower of fast shut-off/connection the most according to claim 1, it is characterised in that
The described circuit that is switched off/on includes:
Switch realizes the transformation process being switched off/on described source follower,
Process that pre-charging capacitor realizes described source follower is accelerated being switched off/on also exports accordingly
Be switched off/on signal.
The source follower of fast shut-off/connection the most according to claim 1 and 2, its feature
It is,
Described source follower is the source follower with p-type metal-oxide-semiconductor.
The source follower of fast shut-off/connection the most according to claim 3, it is characterised in that
Described biasing circuit includes:
P-type metal-oxide-semiconductor and current source, wherein, the source electrode of p-type metal-oxide-semiconductor meets supply voltage, described P
The grid of type metal-oxide-semiconductor connects corresponding to produce to the described drain electrode of p-type metal-oxide-semiconductor, one end of current source
Bias voltage, the other end ground connection of described current source.
The source follower of fast shut-off/connection the most according to claim 1 and 2, its feature
It is,
Described source follower is the source follower with N-type metal-oxide-semiconductor.
The source follower of fast shut-off/connection the most according to claim 1, it is characterised in that
The sampling clock of analog-digital converter described in the described sampling clock multiplexing being switched off/on circuit.
The source follower of fast shut-off/connection the most according to claim 1, it is characterised in that
The change over clock of analog-digital converter described in the described change over clock multiplexing being switched off/on circuit.
The source follower of fast shut-off/connection the most according to claim 1, it is characterised in that
Described it is switched off/on analog-digital converter described in the respectively multiplexing of the sampling clock of circuit, change over clock
Sampling clock and change over clock.
9. the equipment of the source follower realizing fast shut-off/connection, it is characterised in that include
The equipment of claim 1-8 either circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610312801.0A CN105897264B (en) | 2016-05-11 | 2016-05-11 | Fast turn-off/on source follower |
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| CN201610312801.0A CN105897264B (en) | 2016-05-11 | 2016-05-11 | Fast turn-off/on source follower |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353005A (en) * | 2016-10-11 | 2017-01-25 | 四川森迪科技发展股份有限公司 | Chicken farm remote temperature monitoring system based on source electrode follower circuit |
| CN106404193A (en) * | 2016-10-11 | 2017-02-15 | 四川森迪科技发展股份有限公司 | Source-follower-circuit-based signal amplification type remote temperature monitoring system for barton |
| CN106472323A (en) * | 2016-09-27 | 2017-03-08 | 四川森迪科技发展股份有限公司 | A kind of soft start pouity dwelling place automatic exhaust system based on follow circuit |
| CN106489778A (en) * | 2016-09-27 | 2017-03-15 | 四川森迪科技发展股份有限公司 | A kind of pouity dwelling place automatic exhaust system based on follow circuit |
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| US5227795A (en) * | 1990-05-31 | 1993-07-13 | Hitachi, Ltd. | Over-sampling analog-to-digital converter using a current switching circuit as a local digital-to-analog converter |
| CN103986467A (en) * | 2013-02-07 | 2014-08-13 | 陈启星 | Multi-level parallel type ADC and DAC based on voltage following switch |
| CN105071806A (en) * | 2015-08-28 | 2015-11-18 | 西安启微迭仪半导体科技有限公司 | High-linearity input signal buffer applied to high-speed analog-digital converter |
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| US5227795A (en) * | 1990-05-31 | 1993-07-13 | Hitachi, Ltd. | Over-sampling analog-to-digital converter using a current switching circuit as a local digital-to-analog converter |
| CN103986467A (en) * | 2013-02-07 | 2014-08-13 | 陈启星 | Multi-level parallel type ADC and DAC based on voltage following switch |
| CN105071806A (en) * | 2015-08-28 | 2015-11-18 | 西安启微迭仪半导体科技有限公司 | High-linearity input signal buffer applied to high-speed analog-digital converter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106472323A (en) * | 2016-09-27 | 2017-03-08 | 四川森迪科技发展股份有限公司 | A kind of soft start pouity dwelling place automatic exhaust system based on follow circuit |
| CN106489778A (en) * | 2016-09-27 | 2017-03-15 | 四川森迪科技发展股份有限公司 | A kind of pouity dwelling place automatic exhaust system based on follow circuit |
| CN106353005A (en) * | 2016-10-11 | 2017-01-25 | 四川森迪科技发展股份有限公司 | Chicken farm remote temperature monitoring system based on source electrode follower circuit |
| CN106404193A (en) * | 2016-10-11 | 2017-02-15 | 四川森迪科技发展股份有限公司 | Source-follower-circuit-based signal amplification type remote temperature monitoring system for barton |
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| Publication number | Publication date |
|---|---|
| CN105897264B (en) | 2023-06-02 |
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