CN204614322U - A kind of Analog Electronics Technique Experiment platform of multimode - Google Patents
A kind of Analog Electronics Technique Experiment platform of multimode Download PDFInfo
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- CN204614322U CN204614322U CN201520325154.8U CN201520325154U CN204614322U CN 204614322 U CN204614322 U CN 204614322U CN 201520325154 U CN201520325154 U CN 201520325154U CN 204614322 U CN204614322 U CN 204614322U
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Abstract
The utility model belongs to technical field of experiment equipment, relates to a kind of Analog Electronics Technique Experiment platform of multimode.This experiment porch comprises at least one in following 10 modules, is powered by unified power circuit; 10 modules are emitter-base bandgap grading coupled differential amplifying circuit contrast module under diode drive circuit module, transistor three kinds of basic configuration amplification modules, two kinds of different negative feedback modes, amplifying circuit amplification performance contrast module, single channel direct voltage source circuit module, detection of obstacles discrimination module, Weighing cell module, temperature sensor module and photosensitive sensor module, sinusoidal wave square wave generation module and voltage-controlled function generator module.This experiment porch all presents to student all electronic devices and components used, student can intuitively be arrived in the process completing experiment use true profile to electronic devices and components.Wire interconnection can be passed through, to form multiple different experiments circuit between each module.
Description
Technical field
The utility model belongs to experiment field, relates to a kind of Analog Electronics Technique Experiment platform of multimode.
Background technology
Analog Electronics Technique Experiment platform has a wide range of applications in large, special secondary school universities and colleges and BHS's electric specialty Analog Electronics Technique Experiment field, that indispensable experiment appliance is built in institution of higher education's Analog Electronics Technique Experiment room, demand is large, has a wide range of applications.But because Analog Electronics Technique Experiment belongs to traditional experiment field, in the beginning of this century, market emerges large quantities of Analog Electronics Technique Experiment platform, and in the fast development process of follow-up several years, due to excessive production, the quantity of the Analog Electronics Technique Experiment platform that each school has bought reaches capacity substantially, thus the input causing each apparatus manufacture in recent years to renovate to Analog Electronics Technique Experiment platform is relatively less.
Along with the develop rapidly of electron trade and improving constantly of electronic devices and components manufacturing process, nowadays, market has emerged large quantities of new electronic component, wherein, a lot of electronic devices and components all do not use on traditional analog Experiment of Electronic Technology platform, to such an extent as to a part of student still selects when contrived experiment circuit the electronic devices and components stopped production.Under this background, for meeting current Analog Electronics Technique Experiment needs, be necessary that design aly can introduce to student the Analog Electronics Technique Experiment platform that various new commonly uses electronic devices and components, this novel analog Experiment of Electronic Technology platform should be to existing same experiments platform device used and provide the one of function greatly to expand.
Utility model content
The utility model provides one and contains wide, and experiment content can carry out the Analog Electronics Technique Experiment platform of a kind of multimode arranged by the laddering difficulty of ladder, can meet the Analog Electronics Technique Experiment platform of different levels student individuality demand.
The technical solution adopted in the utility model is as follows:
An Analog Electronics Technique Experiment platform for multimode, by least one module composition in following ten modules, each module is powered by unified power circuit.
Module 1: diode drive circuit module, is made up of a kind of driving circuit in low-power diode driving circuit, schottky diode driving circuit, commutation diode driving circuit, LED driving circuit, dichromatic LED driving circuit, voltage stabilizing diode driving circuit, bi-directional voltage stabilizing tube drive circuit, Nixie tube drive circuit or photodiode driving circuit or two or more driving circuit.
Module 2: transistor amplification module, is made up of common emitter single-valve amplification circuit, common collector single-valve amplification circuit or common base single-valve amplification circuit.
Emitter-base bandgap grading coupled differential amplifying circuit contrast module under module 3: two kinds of different negative feedback modes
Comprise resistive degeneration emitter-base bandgap grading coupled differential amplifying circuit and constant current source negative feedback emitter-base bandgap grading coupled differential amplifying circuit; The resistive degeneration emitter-base bandgap grading coupled differential amplifying circuit be made up of together with resistive degeneration circuit differential symmetry pipe circuit; The constant current source negative feedback emitter-base bandgap grading coupled differential amplifying circuit be made up of together with constant current source negative-feedback circuit differential symmetry pipe circuit;
Module 4: amplifying circuit amplification performance comparative analysis module, is made up of two or more amplifying circuit in transistor amplifier circuit, technotron amplifying circuit, MOS type field effect transistor amplification circuit or integrated transporting discharging amplifying circuit.
Module 5: single channel direct voltage source circuit module, forms, can power to the single supply operating circuit meeting voltage conditions after alternating voltage translation circuit, rectification circuit, filtering circuit and mu balanced circuit are connected.
Module 6: detection of obstacles discrimination module circuit, is made up of detection of obstacles sensor interface circuitry, voltage comparator and condition indication circuit cascade.
Module 7: Weighing cell module circuit, is made up of LOAD CELLS interface circuit and differential amplifier circuit or magnifier cascade.
Module 8: temperature sensor module circuit and photosensitive sensor module circuit
Interface circuit of temperature sensor made by positive temperature coefficient (PTC) or negative temperature coefficient heat-sensitive sensor, and light sensor makes light sensor interface circuit; Interface circuit of temperature sensor or light sensor interface circuit and amplifying circuit cascade, the output signal after amplifying circuit amplifies delivers to voltage comparator or hysteresis comparator compares, and finally gives condition indication circuit by comparative result and shows.
Module 9: sinusoidal wave square wave generation module, is made up of RC sine wave oscillation circuit and hysteresis comparator cascade.
Module 10: voltage-controlled function generator modular circuit
Direct current adjustable electric potential source, voltage follower, polarity transformation circuits, linear integration circuit and hysteresis comparator cascade, the control signal exported by feedback control circuit controls polarity transformation circuits, after circuits cascading, triangular wave output signal can be obtained at the output terminal of linear integration circuit, can square-wave output signal be obtained at the output terminal of hysteresis comparator; The square-wave signal that hysteresis comparator exports is by obtaining pulsating wave output signal after differentiating circuit process.
This experiment porch can by external for whole electronic devices and components, one or many all presents to student all electronic devices and components used, allow student intuitively can arrive the true profile of used electronic devices and components in the process completing experiment, thus help student to reach the conventional electronic devices and components surface of correct understanding, grasp the experiment training objective of conventional electronic devices and components using method.Wire interconnection can be passed through, to form multiple different experimental circuit between each module of this experiment porch.This experiment porch is equipped with at ac input end and exchanges pointer reometer, learns intuitively and grasp concept and the difference of active power, reactive power and applied power to help student.This experiment porch have employed integrated power supply transformer first, is also implanted on Analog Electronics Technique Experiment platform by multiple conventional diode system first.
In single-valve amplification circuit experiment, the design that this experiment porch adopts Static and dynamic to be separated first, by the setting of transistor quiescent point and performance analysis separately process, thus achieve the interchange amplification analysis design mothod that can complete three kinds of different configuration single-valve amplification circuits on same quiescent operation circuit base.
Accompanying drawing explanation
Fig. 1 is diode drive circuit module.
Fig. 2 transistor three kinds of basic configuration amplification module circuit.
Emitter-base bandgap grading coupled differential amplifying circuit contrast modular circuit under Fig. 3 two kinds of different negative feedback modes.
Fig. 4 amplifying circuit amplification performance contrast modular circuit.
Fig. 5 single channel direct voltage source circuit module.
Fig. 6 detection of obstacles discrimination module circuit.
Fig. 7 Weighing cell module circuit.
Fig. 8 temperature sensor module circuit and photosensitive sensor module circuit.
Fig. 9 sinusoidal wave square wave generation module circuit.
The voltage-controlled function generator modular circuit of Figure 10.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing and technical scheme.
Nine kinds of different qualities are commonly used diode drive circuit and are systematically implanted on Analog Electronics Technique Experiment platform by this experiment porch first time, diode drive circuit module comprises: low-power diode driving circuit, commutation diode driving circuit, schottky diode driving circuit, LED driving circuit, dichromatic LED driving circuit, voltage stabilizing diode driving circuit, bi-directional voltage stabilizing tube drive circuit, Nixie tube drive circuit or photodiode driving circuit, as shown in Figure 1.Thus help the different qualities of students ' analysis these 9 kinds of conventional diodes, grasp its using method and points for attention, the comparative analysis completing conventional diode uses experiment.
The method for designing that this experiment porch adopts Static and dynamic to be separated first on Analog Electronics Technique Experiment platform, transistor quiescent point is arranged circuit and dynamically amplify analysis circuit separately process, thus achieve the performance analysis experiment that can complete three kinds of different configuration single-valve amplification circuits on same quiescent operation circuit base.Concrete implementing method as shown in Figure 2, quiescent point arranges circuit on same quiescent operation circuit base, allow student oneself design transistor single-valve amplification circuit three kinds of basic configuration ac amplifier circuits: common emitter single-valve amplification circuit, common collector single-valve amplification circuit or common base single-valve amplification circuit, thus on same quiescent operation circuit base, achieve three kinds of different configuration single-valve amplification circuit experiments.
This experiment porch first by resistive degeneration emitter-base bandgap grading coupled differential amplifying circuit and constant current source negative feedback emitter-base bandgap grading coupled differential Design of Amplification Circuit on same circuit module, as shown in Figure 3, and by selector switch with potentiometer by consistent for the quiescent point furnishing of the emitter-base bandgap grading coupled differential amplifying circuit under these two kinds of different negative feedback modes, with complete the emitter-base bandgap grading coupled differential amplifying circuit under two kinds of different negative feedback modes comparative analysis experiment.Emitter-base bandgap grading coupled differential amplifying circuit comprises resistive degeneration emitter-base bandgap grading coupled differential amplifying circuit and constant current source negative feedback emitter-base bandgap grading coupled differential amplifying circuit.
The amplifying circuit that this experiment porch provides has: transistor amplifier circuit, technotron amplifying circuit, MOS type field effect transistor amplification circuit, integrated transporting discharging amplifying circuit as shown in Figure 4, thus exchange the contrast experiment of amplification characteristic under achieving 4 kinds of different amplification modes.
In power circuit contrived experiment, this experiment porch have employed modular design method to each element circuit, element circuit is alternating voltage translation circuit, rectification circuit, filtering circuit and mu balanced circuit, forms single channel DC voltage source circuit after series connection, powers to single supply operating circuit; Completely independently element circuit completes single channel direct voltage source Circuit Design Experiment by the mode of cascade, as shown in Figure 5, observes better and understand output waveform and the circuit function of every one-level element circuit to help student.
This experiment porch adopts modularized circuit design, is implanted to by slot optical coupling in detection of obstacles sensor interface circuitry, and by with voltage comparator, condition indication circuit cascade, as shown in Figure 6, to complete detection of obstacles and discriminating experiment.
This experiment porch adopts modularized circuit design, LOAD CELLS is implanted in LOAD CELLS interface circuit, and with differential amplifier circuit or magnifier cascade, as shown in Figure 7, complete the experiment of LOAD CELLS application circuit.
This experiment porch adopts modularized circuit design, positive temperature coefficient (PTC) or negative temperature coefficient heat-sensitive sensor, light sensor are implanted in interface circuit of temperature sensor and light sensor interface circuit respectively, and with voltage amplifier circuit, voltage comparator circuit or hysteresis comparator circuit, condition indication circuit cascade, as shown in Figure 8, thus achieve temperature sensor application circuit and light sensor application circuit experiment.
This experiment porch adopts modularized circuit design, by integrated operational amplifier RC sine wave oscillation circuit and hysteresis comparator cascade, as shown in Figure 9, thus completes sine wave, square wave generation circuit experiment.
This experiment porch adopts modularized circuit design, by direct current adjustable electric potential source, voltage follower, polarity transformation circuits, linear integration circuit, hysteresis comparator cascade, as shown in Figure 10, the control signal exported by feedback control circuit controls polarity transformation circuits, after circuits cascading, triangular wave output signal can be obtained at the output terminal of linear integration circuit, can square-wave output signal be obtained at the output terminal of hysteresis comparator; The square-wave signal that hysteresis comparator exports by obtaining pulse wave signal after differentiating circuit process, thus achieves voltage-controlled function generator contrived experiment.
Claims (1)
1. an Analog Electronics Technique Experiment platform for multimode, by least one module composition in following ten modules, each module is powered by unified power circuit, it is characterized in that,
Module 1: diode drive circuit module, is made up of a kind of driving circuit in low-power diode driving circuit, schottky diode driving circuit, commutation diode driving circuit, LED driving circuit, dichromatic LED driving circuit, voltage stabilizing diode driving circuit, bi-directional voltage stabilizing tube drive circuit, Nixie tube drive circuit or photodiode driving circuit or two or more driving circuit;
Module 2: transistor amplification module, is made up of common emitter single-valve amplification circuit, common collector single-valve amplification circuit or common base single-valve amplification circuit;
Emitter-base bandgap grading coupled differential amplifying circuit contrast module under module 3: two kinds of different negative feedback modes,
Comprise resistive degeneration emitter-base bandgap grading coupled differential amplifying circuit and constant current source negative feedback emitter-base bandgap grading coupled differential amplifying circuit; The resistive degeneration emitter-base bandgap grading coupled differential amplifying circuit be made up of together with resistive degeneration circuit differential symmetry pipe circuit; The constant current source negative feedback emitter-base bandgap grading coupled differential amplifying circuit be made up of together with constant current source negative-feedback circuit differential symmetry pipe circuit;
Module 4: amplifying circuit amplification performance contrast module, is made up of two or more amplifying circuit in transistor amplifier circuit, technotron amplifying circuit, MOS type field effect transistor amplification circuit or integrated transporting discharging amplifying circuit;
Module 5: single channel direct voltage source circuit module, forms, can power to the single supply operating circuit meeting voltage conditions after alternating voltage translation circuit, rectification circuit, filtering circuit and mu balanced circuit are connected;
Module 6: detection of obstacles discrimination module circuit, is made up of detection of obstacles sensor interface circuitry, voltage comparator and condition indication circuit cascade;
Module 7: Weighing cell module circuit, is made up of LOAD CELLS interface circuit and differential amplifier circuit or magnifier cascade;
Module 8: temperature sensor module circuit and photosensitive sensor module circuit,
Interface circuit of temperature sensor made by positive temperature coefficient (PTC) or negative temperature coefficient heat-sensitive sensor, and light sensor makes light sensor interface circuit; Interface circuit of temperature sensor or light sensor interface circuit and amplifying circuit cascade, the output signal after amplifying circuit amplifies delivers to voltage comparator or hysteresis comparator compares, and finally gives condition indication circuit by comparative result and shows;
Module 9: sinusoidal wave square wave generation module, is made up of RC sine wave oscillation circuit and hysteresis comparator cascade;
Module 10: voltage-controlled function generator modular circuit,
Direct current adjustable electric potential source, voltage follower, polarity transformation circuits, linear integration circuit and hysteresis comparator cascade, the control signal exported by feedback control circuit controls polarity transformation circuits, after circuits cascading, obtain triangular wave output signal at the output terminal of linear integration circuit, obtain square-wave output signal at the output terminal of hysteresis comparator; The square-wave signal that hysteresis comparator exports is by obtaining pulsating wave output signal after differentiating circuit process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520325154.8U CN204614322U (en) | 2015-05-19 | 2015-05-19 | A kind of Analog Electronics Technique Experiment platform of multimode |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520325154.8U CN204614322U (en) | 2015-05-19 | 2015-05-19 | A kind of Analog Electronics Technique Experiment platform of multimode |
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| CN204614322U true CN204614322U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520325154.8U Expired - Fee Related CN204614322U (en) | 2015-05-19 | 2015-05-19 | A kind of Analog Electronics Technique Experiment platform of multimode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107067910A (en) * | 2017-04-18 | 2017-08-18 | 重庆工业职业技术学院 | Electronic circuits degisn system based on cloud service |
| CN112803842A (en) * | 2020-12-25 | 2021-05-14 | 珠海格力电器股份有限公司 | Pulse frequency processing method, circuit, device, storage medium and processor |
-
2015
- 2015-05-19 CN CN201520325154.8U patent/CN204614322U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107067910A (en) * | 2017-04-18 | 2017-08-18 | 重庆工业职业技术学院 | Electronic circuits degisn system based on cloud service |
| CN112803842A (en) * | 2020-12-25 | 2021-05-14 | 珠海格力电器股份有限公司 | Pulse frequency processing method, circuit, device, storage medium and processor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20160519 |
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| CF01 | Termination of patent right due to non-payment of annual fee |