CN208077478U - A kind of circuit of electronic organ being used for 555 IC design educations - Google Patents
A kind of circuit of electronic organ being used for 555 IC design educations Download PDFInfo
- Publication number
- CN208077478U CN208077478U CN201820511817.9U CN201820511817U CN208077478U CN 208077478 U CN208077478 U CN 208077478U CN 201820511817 U CN201820511817 U CN 201820511817U CN 208077478 U CN208077478 U CN 208077478U
- Authority
- CN
- China
- Prior art keywords
- switch
- touch
- potentiometer
- termination
- fixing end
- 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.)
- Expired - Fee Related
Links
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The utility model provides a kind of circuit of electronic organ being used for 555 IC design educations, belongs to electronic technology field.555 integrated circuits are common devices in digital circuit, it is also one of the main contents of Education of Digital Electronics, in order to improve the teaching effect of 555 integrated circuit contents, devise the teaching electronic qin circuit using 555 integrated circuits composition, it is applied to the experimental teaching of 555 integrated circuit contents of Digital Electronic Technique course, the interest that experimental teaching can be participated in mobilizing students, improves teaching effect.
Description
Technical field
The utility model is a kind of circuit of electronic organ being used for 555 IC design educations, belongs to electronic technology field.
Background technology
555 integrated circuits are common device in digital circuit, the element circuit being made from it, as astable multibrator is
One of main contents of Education of Digital Electronics.In order to allow student to understand and grasp the unit of above-mentioned 555 integrated circuit composition
Circuit usually arranges have astable multibrator experiment in teaching.Since astable multibrator experiment belongs to replication experiment,
Compare abstract and uninteresting, the interest of student can not be attracted, therefore, experiment teaching effect is simultaneously ideal.
Utility model content
It is above-mentioned bad using the element circuit progress replication experiment teaching efficiency of 555 integrated circuits composition in order to solve
Problem, the utility model provide a kind of circuit of electronic organ being used for 555 IC design educations, which is mainly integrated by 555
The element circuit of the astable multibrator of circuit composition is constituted, and eight road key switches are added, and realizes electronic organ function.Due to electronics
Qin can be used directly to play, and student is more curious to the principle and circuit of electronic organ, therefore, the utility model is applied to number
555 experimental ics of word Electron Technique Course are imparted knowledge to students, and the interest of experimental teaching can be participated in mobilizing students, improve teaching at
Effect.
The specific technical solution that the utility model is taken is：
A kind of circuit of electronic organ being used for 555 IC design educations, it is characterized in that：The circuit include 555 integrated circuit U1,
It touch-switch S1~S8, potentiometer RV1~RV8, capacitance C1 and C2, power switch SW, resistance R1 and R2, triode Q1 and raises one's voice
Device LS1, wherein one end of a termination power switch SW of 4 feet of 555 integrated circuit U1,8 feet and loud speaker LS1, power switch
Another termination+5V of SW, a fixing end of potentiometer RV1, a fixing end of potentiometer RV2, a fixing end of potentiometer RV3,
One fixation of a fixing end of potentiometer RV4, a fixing end of potentiometer RV5, a fixing end of potentiometer RV6, potentiometer RV7
2 feet and 6 feet of the one 555 integrated circuit U1 of termination at end, a fixing end of potentiometer RV8 and capacitance C1, capacitance C2's is positive, light
One end of tactile switch S1, one end of touch-switch S2, one end of touch-switch S3, one end of touch-switch S4, touch-switch S5
One end, one end of touch-switch S6, one end of touch-switch S7 and touch-switch S8 a 555 integrated circuit U1 of termination 3
Foot, the other end of another fixing end of potentiometer RV1 and sliding termination touch-switch S1, another fixing end of potentiometer RV2 and
The other end of sliding termination touch-switch S2, the other end of another fixing end and sliding termination touch-switch S3 of potentiometer RV3,
The other end of another fixing end and sliding termination touch-switch S4 of potentiometer RV4, another fixing end of potentiometer RV5 and sliding
Terminate the other end of touch-switch S5, the other end of another fixing end and sliding termination touch-switch S6 of potentiometer RV6, current potential
The other end of another fixing end and sliding termination touch-switch S7 of device RV7, another fixing end of potentiometer RV8 and sliding terminate
The other end of touch-switch S8,1 foot of 555 integrated circuit U1 and the other end ground connection of capacitance C1；The base stage of triode Q1 connects electricity
One end of R1, the cathode of the other end of resistance R1 and a termination capacitor C2 of resistance R2 are hindered, collector meets the another of loud speaker LS1
The other end ground connection of end, emitter and resistance R2.
The beneficial effects of the utility model are：The utility model provides a kind of electronics being used for 555 IC design educations
Qin circuit is applied to the experimental teaching of 555 integrated circuit contents of Digital Electronic Technique course, can be participated in mobilizing students
The interest of experimental teaching improves teaching effect.
Description of the drawings
Fig. 1 is the circuit diagram of the utility model.
Specific implementation mode
The utility model is described further below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of circuit of electronic organ being used for 555 IC design educations includes 555 integrated circuit U1, touches out
S1~S8, potentiometer RV1~RV8, capacitance C1 and C2, power switch SW, resistance R1 and R2, triode Q1 and loud speaker LS1 are closed,
Wherein one end of a termination power switch SW of 4 feet of 555 integrated circuit U1,8 feet and loud speaker LS1, power switch SW's is another
A fixing end of one termination+5V, potentiometer RV1, a fixing end of potentiometer RV2, a fixing end of potentiometer RV3, potentiometer
A fixing end of RV4, a fixing end of potentiometer RV5, a fixing end of potentiometer RV6, a fixing end of potentiometer RV7, electricity
2 feet and 6 feet of a fixing end of position device RV8 and a 555 integrated circuit U1 of termination of capacitance C1, the anode of capacitance C2 touch out
Close one end of S1, one end of touch-switch S2, one end of touch-switch S3, one end of touch-switch S4, touch-switch S5 one
End, one end of touch-switch S6, one end of touch-switch S7 and touch-switch S8 a 555 integrated circuit U1 of termination 3 feet, electricity
The other end of another fixing end and sliding termination touch-switch S1 of position device RV1, another fixing end and sliding end of potentiometer RV2
Connect the other end of touch-switch S2, the other end of another fixing end and sliding termination touch-switch S3 of potentiometer RV3, potentiometer
The other end of another fixing end and sliding termination touch-switch S4 of RV4, another fixing end and sliding termination of potentiometer RV5 are light
Touch the other end of switch S5, the other end of another fixing end and sliding termination touch-switch S6 of potentiometer RV6, potentiometer RV7
Another fixing end and sliding termination touch-switch S7 the other end, another fixing end and sliding termination of potentiometer RV8 are touched
The other end of switch S8,1 foot of 555 integrated circuit U1 and the other end ground connection of capacitance C1；The base stage connecting resistance R1 of triode Q1
One end, the cathode of the other end of resistance R1 and a termination capacitor C2 of resistance R2, collector connects the other end of loud speaker LS1,
The other end of emitter and resistance R2 are grounded.
The operation principle of this circuit of electronic organ is as follows：
Touch-switch S1 is only pressed, the frequency f1 of the 3 foot output signals of 555 integrated circuit U1 is monitored with oscillograph, is adjusted
Potentiometer RV1 makes the frequency f1 of output signal be equal to 523Hz, the frequency values of corresponding middle pitch note 1；Touch-switch S2 is only pressed,
The frequency f2 of the 3 foot output signals of 555 integrated circuit U1 is monitored with oscillograph, is adjusted potentiometer RV2, is made the frequency of output signal
F2 is equal to 587Hz, the frequency values of corresponding middle pitch note 2；Touch-switch S3 is only pressed, 555 integrated circuit U1 are monitored with oscillograph
3 foot output signals frequency f3, adjust potentiometer RV3, the frequency f3 of output signal made to be equal to 659Hz, corresponding middle pitch note 3
Frequency values；Touch-switch S4 is only pressed, the frequency f4 of the 3 foot output signals of 555 integrated circuit U1 is monitored with oscillograph, is adjusted
Potentiometer RV4 makes the frequency f4 of output signal be equal to 698Hz, the frequency values of corresponding middle pitch note 4；Touch-switch S5 is only pressed,
The frequency f5 of the 3 foot output signals of 555 integrated circuit U1 is monitored with oscillograph, is adjusted potentiometer RV5, is made the frequency of output signal
F5 is equal to 784Hz, the frequency values of corresponding middle pitch note 5；Touch-switch S6 is only pressed, 555 integrated circuit U1 are monitored with oscillograph
3 foot output signals frequency f6, adjust potentiometer RV6, the frequency f6 of output signal made to be equal to 880Hz, corresponding middle pitch note 6
Frequency values；Touch-switch S7 is only pressed, the frequency f7 of the 3 foot output signals of 555 integrated circuit U1 is monitored with oscillograph, is adjusted
Potentiometer RV7 makes the frequency f7 of output signal be equal to 987Hz, the frequency values of corresponding middle pitch note 7；Touch-switch S8 is only pressed,
The frequency f8 of the 3 foot output signals of 555 integrated circuit U1 is monitored with oscillograph, is adjusted potentiometer RV8, is made the frequency of output signal
F8 is equal to 1046Hz, the frequency values of corresponding higher note i.
Claims (1)
1. a kind of circuit of electronic organ being used for 555 IC design educations, it is characterized in that：The circuit includes 555 integrated circuit U1, light
Touch switch S1~S8, potentiometer RV1~RV8, capacitance C1 and C2, power switch SW, resistance R1 and R2, triode Q1 and loud speaker
LS1, wherein one end of a termination power switch SW of 4 feet of 555 integrated circuit U1,8 feet and loud speaker LS1, power switch SW
Another termination+5V, a fixing end of potentiometer RV1, a fixing end of potentiometer RV2, a fixing end of potentiometer RV3, electricity
One fixation of a fixing end, a fixing end of potentiometer RV5, a fixing end of potentiometer RV6, potentiometer RV7 of position device RV4
2 feet and 6 feet of the one 555 integrated circuit U1 of termination at end, a fixing end of potentiometer RV8 and capacitance C1, capacitance C2's is positive, light
One end of tactile switch S1, one end of touch-switch S2, one end of touch-switch S3, one end of touch-switch S4, touch-switch S5
One end, one end of touch-switch S6, one end of touch-switch S7 and touch-switch S8 a 555 integrated circuit U1 of termination 3
Foot, the other end of another fixing end of potentiometer RV1 and sliding termination touch-switch S1, another fixing end of potentiometer RV2 and
The other end of sliding termination touch-switch S2, the other end of another fixing end and sliding termination touch-switch S3 of potentiometer RV3,
The other end of another fixing end and sliding termination touch-switch S4 of potentiometer RV4, another fixing end of potentiometer RV5 and sliding
Terminate the other end of touch-switch S5, the other end of another fixing end and sliding termination touch-switch S6 of potentiometer RV6, current potential
The other end of another fixing end and sliding termination touch-switch S7 of device RV7, another fixing end of potentiometer RV8 and sliding terminate
The other end of touch-switch S8,1 foot of 555 integrated circuit U1 and the other end ground connection of capacitance C1；The base stage of triode Q1 connects electricity
One end of R1, the cathode of the other end of resistance R1 and a termination capacitor C2 of resistance R2 are hindered, collector meets the another of loud speaker LS1
The other end ground connection of end, emitter and resistance R2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820511817.9U CN208077478U (en) | 2018-04-11 | 2018-04-11 | A kind of circuit of electronic organ being used for 555 IC design educations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820511817.9U CN208077478U (en) | 2018-04-11 | 2018-04-11 | A kind of circuit of electronic organ being used for 555 IC design educations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208077478U true CN208077478U (en) | 2018-11-09 |
Family
ID=64040867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820511817.9U Expired - Fee Related CN208077478U (en) | 2018-04-11 | 2018-04-11 | A kind of circuit of electronic organ being used for 555 IC design educations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208077478U (en) |
-
2018
- 2018-04-11 CN CN201820511817.9U patent/CN208077478U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208077478U (en) | A kind of circuit of electronic organ being used for 555 IC design educations | |
| CN101789196A (en) | Automatic control switch circuit demonstration instrument | |
| CN201918971U (en) | Novel bidirectional analog switching circuit | |
| CN201965826U (en) | Demonstration instrument for human body conductivity and low-voltage electric shock | |
| CN103365335A (en) | Signal processing circuit | |
| CN204102407U (en) | A kind of intelligent splicing electronic building blocks | |
| CN105070166A (en) | Sound-light controlled LED lamp circuit | |
| CN202889317U (en) | Capacitance type touch key circuit | |
| CN205562623U (en) | Multiple wave form signal generator | |
| CN207938311U (en) | The phonation circuit for turning to sound is simulated with buzzer | |
| CN202904931U (en) | Piano-performance finger-touch training device | |
| CN205987328U (en) | Digital speaker based on weighting resistance network | |
| CN204967620U (en) | Be used for IGBT driven power supply circuit | |
| CN103605428B (en) | A kind of computer keyboard of restructural button | |
| CN201418069Y (en) | Touch control induction circuit of induction cooker | |
| CN204087561U (en) | One sings teaching equipment | |
| CN108648737A (en) | A kind of electronic organ for integrated amplifier electric circuit teaching | |
| CN203966539U (en) | Electric motor car simulation horn control circuit | |
| CN207968457U (en) | A kind of switching circuit of touch control | |
| CN204740851U (en) | Simple and easy electronic organ device | |
| CN202150929U (en) | Audio device and audio switching circuit thereof | |
| CN205177244U (en) | Logic circuit teaching demonstration ware | |
| CN204965869U (en) | Sound and light control LED lamp circuit | |
| CN204257065U (en) | Wet-out phenomenon demonstrator | |
| CN202976627U (en) | Lightning and thunder simulating circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 Termination date: 20200411 |