CN2110257U - Multi-type waveform signal generator - Google Patents
Multi-type waveform signal generator Download PDFInfo
- Publication number
- CN2110257U CN2110257U CN 91230321 CN91230321U CN2110257U CN 2110257 U CN2110257 U CN 2110257U CN 91230321 CN91230321 CN 91230321 CN 91230321 U CN91230321 U CN 91230321U CN 2110257 U CN2110257 U CN 2110257U
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- CN
- China
- Prior art keywords
- circuit
- signal
- wave
- voltage
- generation circuit
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Abstract
The utility model relates to a waveform signal generator used for teaching experiments, which is composed of a rectifying voltage stabilizing circuit, a square wave signal generating circuit, a sine wave signal generating circuit, a filter circuit, an integrator circuit, an electronic switching circuit, a full wave rectification signal generating circuit, a half wave rectification signal generating circuit, etc. The waveform signal generator can independently output seven non-standard signals for an oscillograph to carry out demonstration and can demonstrate two lines of signal graphs simultaneously in a monotrack oscillograph. The utility model has the characteristic of convenient connection.
Description
The utility model relates to the waveform signal generating means of a kind of education experiment or demonstration usefulness.Can use for relevant teaching demonstration and grouping experiments such as the physics of the amateur class of big, special secondary school and general high school, electrotechnics.
At present, the domestic similar experimental apparatus output signal of generally using all is single, as the low frequency signal instrument, only export a kind of sinusoidal signal of different frequency, though precision is high, volume is big, heaviness, cost an arm and a leg, exportable several signals are also arranged, but volume is bigger, heavier, price is higher, and the binding post that the signal input and output of instrument are adopted connects the also very tired fiber crops of the mode of connection.More than two quasi-instruments can not on single trace oscilloscope, show two column signal figures simultaneously, to relatively making troubles.
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and carries from a kind of and can export 7 kinds of non-standard signals and can show two column signal figures simultaneously on single trace oscilloscope, have again cheap, the multiple waveform generator that the mode of connection that the signal of instrument inputs or outputs is easy.
The purpose of this utility model can reach by following measure: this multiple waveform generator comprises: one with 220V, the 50Hz civil power becomes the alternating current transformer of four groups of voltage outputs, a regulator rectifier circuit that is used for first group of voltage commutation voltage stabilizing, a square-wave signal generation circuit that is connected and exports respectively corresponding signal respectively with regulator rectifier circuit, sine wave signal generation circuit, filtering circuit, an integrating circuit that part square-wave signal in the square-wave signal generation circuit is become triangular wave output after resistance and capacitance integral, one is used for second group of voltage full-wave rectification after the full wave rectified signal generation circuit of decay output full wave rectified signal, one is used for the 3rd group of voltage half-wave rectification after the half-wave rectification signal generating circuit of the half-wave rectification signal of decay output, one be used for the 3rd group of voltage leach the 50Hz sine wave signal generation circuit of output 50Hz AC sine wave signal behind the clutter and one be used for after the 4th group of voltage commutation voltage stabilizing again through multi-harmonic-oscillations and amplification, change the electronic switching circuit that frequency is exported two train wave shape signals.Described square-wave signal generation circuit is by ic chip
1, resistance R
5R
6, R
8, R
9, R
10, capacitor C
4, C
6, voltage stabilizing diode D
6, light emitting diode IED
3With jack CK
3Form.Described integrating circuit is by resistance R
7, capacitor C
5, light emitting diode IED
2With jack CK
2Form.
Below in conjunction with accompanying drawing the utility model is described in further detail:
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2 is a functional-block diagram of the present utility model.
By Fig. 1 and Fig. 2 as can be known, the utility model comprises: alternating current transformer, regulator rectifier circuit, square-wave signal generation circuit, sine wave signal generation circuit, filtering circuit, integrating circuit, full wave rectified signal generation circuit, half-wave rectification signal generating circuit, 50Hz sine wave signal generation circuit and electronic switching circuit.Alternating current transformer becomes four groups of voltage outputs with 120V, 50Hz civil power, first group of voltage is exported to square-wave signal generation circuit, sine wave signal generation circuit and filtering circuit respectively behind the regulator rectifier circuit rectifying and voltage-stabilizing, in addition, again with the part square-wave signal exported in the square-wave signal generation circuit behind the integrating circuit integration, become triangular signal output.Regulator rectifier circuit is a custom circuit, by resistance R
1, R
2, capacitor C
1, C
2, C
3, triode BG
1, voltage stabilizing diode D
5, commutator tube D
1-D
4Form; Square-wave signal generation circuit is by resistance R
5, R
6, R
8, R
9, R
10, capacitor C
4, C
6, voltage stabilizing diode D
6, light emitting diode IED
3, ic chip
1With jack CK
3Form; Integrating circuit is by resistance R
7, capacitor C
5, light emitting diode IED
2With jack CK
2Form; Sine wave signal generation circuit is that custom circuit is by ic chip
2, resistance R
11, R
12, R
13, R
14, potentiometer W
1* 2, W
2, capacitor C
7, C
8, C
9, C
7 1, C
8 1, C
9 1, light emitting diode IED
1With jack CK
1Form; Filtering circuit is that custom circuit is by resistance R
3, R
4, light emitting diode IED
6With jack CK
6Form.Second group of voltage is through full-wave rectifying circuit rectification output full wave rectified signal, full wave rectified signal generation circuital current diode D
7-D
10, resistance R
15, R
16, R
17, light emitting diode IED
5With jack CK
5Form.The 3rd a group of voltage part is through half-wave rectification signal generating circuit output half-wave rectification signal, and another part is through 50Hz sine wave signal generation circuit output 50Hz sine wave signal, and half-wave entire signal generation circuit is by diode D
11, resistance R
19, light emitting diode IED
4With jack CK
4Form.50Hz sine wave signal generation circuit is by resistance R
18, capacitor C
10, light emitting diode IED
7With jack CK
7Form.The 4th group of voltage is exported two train wave shape signals behind electronic switching circuit, electronic switching circuit is by regulator rectifier circuit, and multivibrator, common-base amplifier and signal are exported several parts and formed.Regulator rectifier circuit is by resistance R
20, R
21, diode BG
2, circuit C
11, C
12, C
13, voltage stabilizing diode D
18, commutation diode D
12-D
15Form; Multivibrator is by triode BG
3, BG
4, resistance R
22, R
23, R
25, R
26, R
28, R
30, potentiometer W
3, capacitor C
14, C
15Form, increase diode D
16, D
17, resistance R
24, R
27Be in order to improve the upper edge of output waveform, its frequency is the square-wave signal of 40-60KHz, by triode BG
3, BG
4Emitter output directly is added to common-base amplifier.Common-base amplifier is by triode BG
5, BG
6, resistance R
29, R
31, R
32, R
33, R
34, R
35, R
36, R
37, potentiometer W
3, W
4, W
5, capacitor C
16, C
17, C
18, jack CK
8, CK
9, CK
10Form.Because of triode BG
3, BG
4The output signal control triode BG of the multivibrator of forming
5, BG
6Two manage conducting in turn and end, and make two signals of input alternately send into oscillographic " y " input end, by potentiometer W
4, W
5The amplitude of difference control input signals.Resistance R
36, R
37Be biasing resistor, R
33It is pull-up resistor.At triode BG
5, BG
6Base stage and ground between add capacitor C
18, can be considered as short circuit to AC signal, therefore so when signal was imported, base potential was unaffected, two pipes take turns to operate, and do not disturb mutually.
The utility model has following advantage compared to existing technology: 1, can export independently 7 kinds of non-quasi wave shape signals of mark for the oscillograph demonstration; 2, owing to installed an electronic switching circuit additional, can utilize this circuit on the single trace oscilloscope of cheapness, to show simultaneously two column signal figures, be convenient to comparison, can partly substitute the function of dual trace oscilloscope; 3, because the output of waveform signal, input or is connected with other instruments and all adopts the mode of pegging graft to connect have changed traditional binding post connected mode connection, so simplified the connection formality, bring great convenience to the user; 4, owing to having adopted signal voltage to light luminous tube as signal designation, so whether the power supply that can form a prompt judgement is connected or whether signal is exported.
Claims (2)
1, multiple waveform generator, comprise an alternating current transformer that civil power is become four groups of voltage outputs, a regulator rectifier circuit that is used for first group of voltage commutation voltage stabilizing, a sine wave signal generation circuit and a filtering circuit that is connected and exports respectively corresponding signal respectively with regulator rectifier circuit, one is used for second group of voltage full-wave rectification after the full wave rectified signal generation circuit of decay output full wave rectified signal, one is used for the 3rd group of voltage half-wave rectification after the half-wave rectification signal generating circuit of decay output half-wave rectification signal, a 50Hz sine wave signal generation circuit that is used for the 3rd group of voltage is leached output 50Hz AC sine wave signal behind the clutter is characterized in that described multiple waveform generator also comprises:
A) square-wave signal generation circuit that is connected and exports square-wave signal with regulator rectifier circuit; It is by ic chip
1, resistance R
5, R
6, R
8, R
9, R
10, capacitor C
4, C
6, voltage stabilizing diode D
6, light emitting diode IED
3With jack CK
3Form.
B) integrating circuit that the part square-wave signal in the square-wave signal generation circuit is become triangular signal output after resistance and capacitance integral; It is by resistance R
7, capacitor C
15, light emitting diode IED
2With jack CK
2Form.
C) one with after the 4th group of voltage commutation voltage stabilizing again through multi-harmonic-oscillations and amplification, change the electronic switching circuit of the two train wave shape signals of exporting frequently.
2, multiple waveform generator according to claim 1 is characterized in that: the output terminal of all signals is connected with a luminotron as the signal indication respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91230321 CN2110257U (en) | 1991-12-11 | 1991-12-11 | Multi-type waveform signal generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91230321 CN2110257U (en) | 1991-12-11 | 1991-12-11 | Multi-type waveform signal generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2110257U true CN2110257U (en) | 1992-07-15 |
Family
ID=4935666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91230321 Granted CN2110257U (en) | 1991-12-11 | 1991-12-11 | Multi-type waveform signal generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2110257U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420590A (en) * | 2011-11-23 | 2012-04-18 | 深圳职业技术学院 | Digital frequency generating device for power ultrasonic power supply and frequency generating method |
| CN102842257A (en) * | 2012-08-03 | 2012-12-26 | 湖州文思必得科教仪器有限公司 | Demonstrating device for frequency-conversion sine alternating current characteristics |
| CN107086858A (en) * | 2017-04-19 | 2017-08-22 | 成都市宏山科技有限公司 | Using the signal generator of oscillator controls ripple fractal transform |
-
1991
- 1991-12-11 CN CN 91230321 patent/CN2110257U/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420590A (en) * | 2011-11-23 | 2012-04-18 | 深圳职业技术学院 | Digital frequency generating device for power ultrasonic power supply and frequency generating method |
| CN102842257A (en) * | 2012-08-03 | 2012-12-26 | 湖州文思必得科教仪器有限公司 | Demonstrating device for frequency-conversion sine alternating current characteristics |
| CN102842257B (en) * | 2012-08-03 | 2016-02-10 | 湖州文思必得科教仪器有限公司 | Frequency conversion simple alternating current characteristic demonstrating device |
| CN107086858A (en) * | 2017-04-19 | 2017-08-22 | 成都市宏山科技有限公司 | Using the signal generator of oscillator controls ripple fractal transform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |