CN108648737A - A kind of electronic organ for integrated amplifier electric circuit teaching - Google Patents
A kind of electronic organ for integrated amplifier electric circuit teaching Download PDFInfo
- Publication number
- CN108648737A CN108648737A CN201810626435.5A CN201810626435A CN108648737A CN 108648737 A CN108648737 A CN 108648737A CN 201810626435 A CN201810626435 A CN 201810626435A CN 108648737 A CN108648737 A CN 108648737A
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- CN
- China
- Prior art keywords
- potentiometer
- switch
- touch
- another
- teaching
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- 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.)
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/32—Constructional details
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/18—Selecting circuits
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/32—Constructional details
- G10H1/34—Switch arrangements, e.g. keyboards or mechanical switches specially adapted for electrophonic musical instruments
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The present invention provides a kind of electronic organs for integrated amplifier electric circuit teaching, belong to electronic technology field.Integrated amplifier circuit is the emphasis of analog electronic technology course teaching, in order to improve the teaching effect of integrated amplifier circuit content, devise the teaching electronic qin using TDA2030 integrated amplifier circuits composition, it is applied to the experimental teaching of the integrated amplifier circuit content of analog electronic technology course, the interest that experimental teaching can be participated in mobilizing students, improves teaching effect.
Description
Technical field
The present invention is a kind of electronic organ for integrated amplifier electric circuit teaching, is applied to the integrated of analog electronic technology course
The experimental teaching of power amplifier content, belongs to electronic technology field.
Background technology
Integrated amplifier circuit is the emphasis of analog electronic technology course teaching, in order to allow student to understand and grasp integrated amplifier
Circuit usually arranges have independent integrated power amplifier to test in teaching, experiment content mainly measure voltage gain,
The indexs such as maximum undistorted power output and passband.Since above-mentioned experiment content is relatively more abstract and uninteresting, student can not be attracted
Interest, therefore, experiment teaching effect is simultaneously ideal.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of electronic organ for integrated amplifier electric circuit teaching, the electronics
The oscillator that the circuit of qin is mainly made of TDA2030 integrated amplifiers is constituted, be added eight road key switches, by button selection with
The corresponding frequency of oscillation of note, to realize electronic organ function.Since electronic organ can be used directly to play, student is to electronic organ
Principle and circuit it is more curious, therefore, apply the present invention to the integrated amplifier circuit content of analog electronic technology course
Experimental teaching can be participated in the interest of experimental teaching with mobilizing students, improve teaching effect.
The specific technical solution that the present invention is taken is as follows：
A kind of electronic organ for integrated amplifier electric circuit teaching, it is characterized in that：The circuit of the electronic organ includes TDA2030 collection
At power amplifier U1, resistance R1~R4, touch-switch S1~S7, potentiometer RV1~RV7, loud speaker LS1, capacitance C1 and C2, wherein
One end of 1 foot the connecting resistance R3 and R4 of TDA2030 integrated amplifiers U1,2 feet connect capacitance C1 anode and with potentiometer RV1~RV7
A fixing end, 4 feet connect one end of touch-switch S1~S7, the other end of resistance R4 and capacitance C2 anode, 8 feet meet+18V, 3
Foot is grounded；The other end of another fixing end and sliding termination touch-switch S1 of potentiometer RV1, another fixation of potentiometer RV2
It holds and the other end of sliding termination touch-switch S2, another fixing end of potentiometer RV3 and sliding terminates the another of touch-switch S3
One end, the other end of another fixing end and sliding termination touch-switch S4 of potentiometer RV4, another fixing end of potentiometer RV5
With the other end of sliding termination touch-switch S5, another fixing end of potentiometer RV6 and sliding terminate the another of touch-switch S6
End, the other end of another fixing end and sliding termination touch-switch S7 of potentiometer RV7；Another terminating resistor R1 of resistance R3 and
One end of R2, the other end of another termination+18V of resistance R1, resistance R2 and the cathode ground connection of capacitance C1, the cathode of capacitance C2 connect
One end of loud speaker LS1, the other end ground connection of loud speaker LS1.
The beneficial effects of the invention are as follows：A kind of electronic organ for integrated amplifier electric circuit teaching is applied to simulation electronic skill
The experimental teaching of the integrated amplifier circuit content of art course, can with mobilizing students participate in experimental teaching interest, improve teaching at
Effect.
Description of the drawings
Fig. 1 is the circuit diagram of the present invention.
Specific implementation mode
The present invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of electronic organ for integrated amplifier electric circuit teaching, the circuit of the electronic organ includes TDA2030
Integrated amplifier U1, resistance R1~R4, touch-switch S1~S7, potentiometer RV1~RV7, loud speaker LS1, capacitance C1 and C2, wherein
One end of 1 foot the connecting resistance R3 and R4 of TDA2030 integrated amplifiers U1,2 feet connect capacitance C1 anode and with potentiometer RV1~RV7
A fixing end, 4 feet connect one end of touch-switch S1~S7, the other end of resistance R4 and capacitance C2 anode, 8 feet meet+18V, 3
Foot is grounded；The other end of another fixing end and sliding termination touch-switch S1 of potentiometer RV1, another fixation of potentiometer RV2
It holds and the other end of sliding termination touch-switch S2, another fixing end of potentiometer RV3 and sliding terminates the another of touch-switch S3
One end, the other end of another fixing end and sliding termination touch-switch S4 of potentiometer RV4, another fixing end of potentiometer RV5
With the other end of sliding termination touch-switch S5, another fixing end of potentiometer RV6 and sliding terminate the another of touch-switch S6
End, the other end of another fixing end and sliding termination touch-switch S7 of potentiometer RV7；Another terminating resistor R1 of resistance R3 and
One end of R2, the other end of another termination+18V of resistance R1, resistance R2 and the cathode ground connection of capacitance C1, the cathode of capacitance C2 connect
One end of loud speaker LS1, the other end ground connection of loud speaker LS1.
The adjustment method of this electronic organ is as follows：
Touch-switch S1 is only pressed, with the frequency of the 4 foot output signals of oscillograph monitoring TDA2030 integrated amplifiers U1, is adjusted
Nodal potential device RV1 makes the frequency of output signal be equal to 523Hz, the frequency values of corresponding middle pitch note 1；Using same method, according to
It is secondary to adjust potentiometer RV2~RV7 respectively, make the frequency of the 4 foot output signals of TDA2030 integrated amplifiers U1 be respectively：587Hz、
659Hz, 698Hz, 784Hz, 880Hz, 987Hz correspond to the frequency values of middle pitch note 2,3,4,5,6,7 respectively.
Claims (1)
1. a kind of electronic organ for integrated amplifier electric circuit teaching, it is characterized in that：The circuit of the electronic organ includes TDA2030 integrated
Power amplifier U1, resistance R1~R4, touch-switch S1~S7, potentiometer RV1~RV7, loud speaker LS1, capacitance C1 and C2, wherein
One end of 1 foot the connecting resistance R3 and R4 of TDA2030 integrated amplifiers U1,2 feet connect capacitance C1 anode and with potentiometer RV1~RV7
A fixing end, 4 feet connect one end of touch-switch S1~S7, the other end of resistance R4 and capacitance C2 anode, 8 feet meet+18V, 3
Foot is grounded；The other end of another fixing end and sliding termination touch-switch S1 of potentiometer RV1, another fixation of potentiometer RV2
It holds and the other end of sliding termination touch-switch S2, another fixing end of potentiometer RV3 and sliding terminates the another of touch-switch S3
One end, the other end of another fixing end and sliding termination touch-switch S4 of potentiometer RV4, another fixing end of potentiometer RV5
With the other end of sliding termination touch-switch S5, another fixing end of potentiometer RV6 and sliding terminate the another of touch-switch S6
End, the other end of another fixing end and sliding termination touch-switch S7 of potentiometer RV7；Another terminating resistor R1 of resistance R3 and
One end of R2, the other end of another termination+18V of resistance R1, resistance R2 and the cathode ground connection of capacitance C1, the cathode of capacitance C2 connect
One end of loud speaker LS1, the other end ground connection of loud speaker LS1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810626435.5A CN108648737A (en) | 2018-06-15 | 2018-06-15 | A kind of electronic organ for integrated amplifier electric circuit teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810626435.5A CN108648737A (en) | 2018-06-15 | 2018-06-15 | A kind of electronic organ for integrated amplifier electric circuit teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108648737A true CN108648737A (en) | 2018-10-12 |
Family
ID=63752613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810626435.5A Withdrawn CN108648737A (en) | 2018-06-15 | 2018-06-15 | A kind of electronic organ for integrated amplifier electric circuit teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108648737A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2875521Y (en) * | 2006-02-22 | 2007-03-07 | 何华峰 | Electronic sound key body building pedal plate |
| CN201731889U (en) * | 2010-05-20 | 2011-02-02 | 中国海洋大学 | Power-transformation medium capacitance type sensing device for measuring rolling reduction oscillation of keys |
| CN202171944U (en) * | 2011-08-19 | 2012-03-21 | 哈尔滨师范大学 | Electronic organ |
| CN202923486U (en) * | 2012-10-15 | 2013-05-08 | 长安大学 | Automobile voice prompt device based on single chip microcomputer |
| CN203931483U (en) * | 2014-06-11 | 2014-11-05 | 常州信息职业技术学院 | A kind of simple and easy octave rank mellotron |
| CN104377755A (en) * | 2014-10-10 | 2015-02-25 | 浙江超威创元实业有限公司 | Multifunctional portable power source |
| CN205406081U (en) * | 2016-03-03 | 2016-07-27 | 上海工程技术大学 | Digital control electron tone system |
-
2018
- 2018-06-15 CN CN201810626435.5A patent/CN108648737A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2875521Y (en) * | 2006-02-22 | 2007-03-07 | 何华峰 | Electronic sound key body building pedal plate |
| CN201731889U (en) * | 2010-05-20 | 2011-02-02 | 中国海洋大学 | Power-transformation medium capacitance type sensing device for measuring rolling reduction oscillation of keys |
| CN202171944U (en) * | 2011-08-19 | 2012-03-21 | 哈尔滨师范大学 | Electronic organ |
| CN202923486U (en) * | 2012-10-15 | 2013-05-08 | 长安大学 | Automobile voice prompt device based on single chip microcomputer |
| CN203931483U (en) * | 2014-06-11 | 2014-11-05 | 常州信息职业技术学院 | A kind of simple and easy octave rank mellotron |
| CN104377755A (en) * | 2014-10-10 | 2015-02-25 | 浙江超威创元实业有限公司 | Multifunctional portable power source |
| CN205406081U (en) * | 2016-03-03 | 2016-07-27 | 上海工程技术大学 | Digital control electron tone system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181012 |