CN207691760U - Waveform Generator circuit - Google Patents
Waveform Generator circuit Download PDFInfo
- Publication number
- CN207691760U CN207691760U CN201721885600.6U CN201721885600U CN207691760U CN 207691760 U CN207691760 U CN 207691760U CN 201721885600 U CN201721885600 U CN 201721885600U CN 207691760 U CN207691760 U CN 207691760U
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- amplifier
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- module
- bridge
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Abstract
The utility model is related to one kind of multiple Wave form generator circuits, including RC bridge-types oscillation module, comparator module and integration module, the output end of RC bridge-type oscillation modules is connected with the input terminal of comparator module, the output end of comparator module is connected with the input terminal of integration module, the output end of RC bridge-type oscillation modules, the output end of comparator module, integration module output end export sine wave signal, square-wave signal and triangular signal respectively.Three kinds of wave generator circuits are integrated into a circuit by the utility model, sine wave signal can be exported as needed, square-wave signal can be exported again, triangular signal can also be exported, therefore can meet it is different use needs, it is easy to use and flexible, and also allow for staff prepare and carry commissioning device, equipment cost is reduced, outgoing carry also is more convenient.
Description
Technical field
The utility model is related to a kind of waveform generator more particularly to one kind of multiple Wave form generator circuits.
Background technology
Waveform generator is a kind of data signal generator, generally when debugging the hardware devices such as electric appliance, circuit, is usually needed
Some signals are added, it is whether normal to observe circuit work, it will at this time use waveform generator.Waveform generator, one
As have square-wave generator, triangular-wave generator, saw-toothed wave generator, sine-wave generator etc., current waveform generator general
A kind of waveform signal can only be all exported, frequency can be changed by adjusting, therefore there are inconvenient to use, lacking using underaction
It falls into.
Invention content
In order to solve the above-mentioned technical problem the utility model, provides one kind of multiple Wave form generator circuits, can export more
Kind of waveform signal, meet it is different use needs, therefore it is easy to use and flexible.
The above-mentioned technical problem of the utility model is mainly to be addressed by following technical proposals：The utility model packet
Include RC bridge-types oscillation module, comparator module and integration module, the output ends of RC bridge-type oscillation modules and comparator module it is defeated
Enter end to be connected, the output end of comparator module is connected with the input terminal of integration module, and the output end of RC bridge-type oscillation modules compares
The output end of device module, the output end of integration module export sine wave signal, square-wave signal and triangular signal respectively.This technology
Three kinds of wave generator circuits are integrated into a circuit by scheme, can be exported sine wave signal as needed and be exported square wave
Signal, moreover it is possible to export triangular signal, therefore can meet it is different use needs, it is easy to use and flexible.And also allow for work
Personnel prepare and carry commissioning device, reduce equipment cost, and outgoing carry also is more convenient.
Preferably, the RC bridge-type oscillation modules include amplifier U1, the in-phase input end of amplifier U1, all the way through resistance
The parallel circuit of R3 and capacitance C1 are grounded, the output end phase of series circuit and amplifier U1 of the another way through resistance R4 and capacitance C2
Even, the inverting input of amplifier U1 is grounded through resistance R1, positive phase of the another way through variable resistance RP1 and diode D1 all the way
Even, the cathode of diode D1 is connected with the output end of amplifier U1, and diode D1 is parallel with resistance R2 and diode D2, and diode
The cathode of D2 is connected with the anode of diode D1, and the anode of diode D2 is connected with the cathode of diode D1, the output of amplifier U1
End output sine wave signal, the output end of amplifier U1 are connected with the input terminal of the comparator module.Amplifier U1 constitutes RC bridges
Formula oscillation module, output end export sine wave signal, and waveform can be made from scratch by adjusting variable resistance RP1, generate one
The sine wave signal of certain frequency.Resistance R3, resistance R4, capacitance C1 and capacitance C2 form Wien bridge circuit, the frequency of sine wave signal
Rate is determined by Wien bridge circuit.
Preferably, in the RC bridge-type oscillation modules, the resistance value of resistance R3 and resistance R4 are equal, capacitance C1 and capacitance
The capacitance of C2 is equal.
Preferably, the comparator module includes amplifier U2, the in-phase input end of amplifier U2 is through resistance R8 and described
The output ends of RC bridge-type oscillation modules be connected, the reverse inter-input-ing ending grounding of amplifier U2, the output end of amplifier U2 through resistance R5 and
The anode of voltage-stabiliser tube D3 is connected, and the cathode of voltage-stabiliser tube D3 is connected with the cathode of voltage-stabiliser tube D4, the plus earth of voltage-stabiliser tube D4, resistance
The tie point of the anode of R5 and voltage-stabiliser tube D3 is the output end of the comparator module, exports square-wave signal and described
The input terminal of integration module is connected.The sine wave signal of RC bridge-type oscillation modules output is conveyed to amplifier U2, and amplifier U2 was constituted
Sine wave is converted to square wave by zero comparator, amplifier U2, and the tie point of the anode of resistance R5 and voltage-stabiliser tube D3 exports square-wave signal,
Resistance R5 plays metering function, and voltage-stabiliser tube D3 and voltage-stabiliser tube D4 use the voltage-stabiliser tube of 6.2V, and the square-wave voltage of output is made to stablize
Positive and negative 6.2V.
Preferably, the integration module includes amplifier U3, the in-phase input end of amplifier U3 is grounded through resistance R7, amplifier
The inverting input of U3 is connected through resistance R6 with the output end of the comparator module all the way, and another way is through capacitance C3 and fortune
The output end for putting U3 is connected, and the output end of amplifier U3 exports triangular signal.Amplifier U3 constitutes integrating circuit, to the square wave of input
It is integrated, the output end of amplifier U3 is made to export triangular signal.
The utility model has the beneficial effects that：Three kinds of wave generator circuits are integrated into a circuit, as needed can
Export sine wave signal, and square-wave signal can be exported, moreover it is possible to export triangular signal, therefore can meet it is different use needs, make
With conveniently and flexibly.And also allow for staff and prepare and carry commissioning device, equipment cost is reduced, goes out to carry also more square
Just.
Description of the drawings
Fig. 1 is a kind of circuit theory connection block diagram of the utility model.
Fig. 2 is a kind of circuit diagram of the utility model.
1.RC bridge-types oscillation module in figure, 2. comparator modules, 3. integration modules, 4. sine wave signals, 5. square-wave signals,
6. triangular signal.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment：The Waveform Generator circuit of the present embodiment, as shown in Figure 1, including RC bridge-types oscillation module 1, comparing
Compared with device module 2 and integration module 3, the output end of RC bridge-type oscillation modules is connected with the input terminal of comparator module, comparator mould
The output end of block is connected with the input terminal of integration module, the output end of RC bridge-type oscillation modules, the output end of comparator module, product
The output end of sub-module exports sine wave signal 4, square-wave signal 5 and triangular signal 6 respectively.As shown in Fig. 2, RC bridge-types vibrate
Module includes amplifier U1, and comparator module includes amplifier U2, and integration module includes amplifier U3, amplifier U1, amplifier U2 and amplifier U3
It is all made of UA741 amplifiers.The in-phase input end of amplifier U1 is grounded through the parallel circuit of resistance R3 and capacitance C1, another way all the way
It is connected with the series circuit of capacitance C2 with the output end of amplifier U1 through resistance R4, and the resistance value of resistance R3 and resistance R4 are equal, electricity
The capacitance for holding C1 and capacitance C2 is equal, the inverting input of amplifier U1, is grounded all the way through resistance R1, another way is through variable resistance
RP1 is connected with the anode of diode D1, and the cathode of diode D1 is connected with the output end of amplifier U1, and diode D1 is parallel with resistance
R2 and diode D2, and the cathode of diode D2 is connected with the anode of diode D1, the anode of diode D2 is with diode D1's
Cathode is connected, the output end U of amplifier U101Sine wave signal is exported, the output end of amplifier U1 is through the same phase of resistance R8 and amplifier U2
Input terminal is connected, and the output end of the reverse inter-input-ing ending grounding of amplifier U2, amplifier U2 is connected through resistance R5 with the anode of voltage-stabiliser tube D3,
The cathode of voltage-stabiliser tube D3 is connected with the cathode of voltage-stabiliser tube D4, the plus earth of voltage-stabiliser tube D4, the anode of resistance R5 and voltage-stabiliser tube D3
Tie point U02The as output end of comparator module exports square-wave signal, tie point U02Reverse phase through resistance R6 and amplifier U3
Input terminal is connected, and the inverting input of amplifier U3 is connected through capacitance C3 with the output end of amplifier U3, the in-phase input end of amplifier U3
It is grounded through resistance R7, the output end U of amplifier U303Export triangular signal.
Amplifier U1 constitutes RC bridge-type oscillation modules, U01Point output sine wave signal, waveform can be made by adjusting variable resistance RP1
From scratch, the sine wave signal of a certain frequency, resistance R3, resistance R4, capacitance C1 and capacitance C2 composition Wen's electricity are generated
The frequency of bridge, sine wave signal is determined by Wien bridge circuit.The sine wave signal of RC bridge-type oscillation modules output is conveyed to amplifier U2,
Amplifier U2 constitutes zero-crossing comparator, and sine wave is converted to square wave, point U by amplifier U202Square-wave signal is exported, resistance R5 plays current limliting
Effect, voltage-stabiliser tube D3 and voltage-stabiliser tube D4 use the voltage-stabiliser tube of 6.2V, make U02The square-wave voltage of point output is stablized in positive and negative 6.2V.Fortune
It puts U3 and constitutes integrating circuit, the square wave of input is integrated, point U is made03Export triangular signal.
Three kinds of wave generator circuits are integrated into a circuit by the utility model, can export sine wave letter as needed
Number, and square-wave signal can be exported, moreover it is possible to export triangular signal, thus can meet it is different use needs, it is easy to use and flexible.
And also allow for staff and prepare and carry commissioning device, equipment cost is reduced, outgoing carry also is more convenient.
Claims (5)
1. one kind of multiple Wave form generator circuits, it is characterised in that including RC bridge-types oscillation module, comparator module and integral mould
The output end of block, RC bridge-type oscillation modules is connected with the input terminal of comparator module, the output end and integral mould of comparator module
The input terminal of block is connected, the output end of RC bridge-type oscillation modules, the output end of comparator module, integration module output end difference
Export sine wave signal, square-wave signal and triangular signal.
2. Waveform Generator circuit according to claim 1, it is characterised in that the RC bridge-type oscillation module packets
Amplifier U1 is included, the in-phase input end of amplifier U1 is grounded through the parallel circuit of resistance R3 and capacitance C1 all the way, and another way is through resistance R4
It is connected with the series circuit of capacitance C2 with the output end of amplifier U1, the inverting input of amplifier U1 is grounded through resistance R1, separately all the way
It is connected all the way with the anode of diode D1 through variable resistance RP1, the cathode of diode D1 is connected with the output end of amplifier U1, two poles
Pipe D1 is parallel with resistance R2 and diode D2, and the cathode of diode D2 is connected with the anode of diode D1, and diode D2 is just
Pole is connected with the cathode of diode D1, and the output end of amplifier U1 exports sine wave signal, the output end of amplifier U1 and the ratio
Input terminal compared with device module is connected.
3. Waveform Generator circuit according to claim 2, it is characterised in that in the RC bridge-type oscillation modules,
The resistance value of resistance R3 and resistance R4 are equal, and the capacitance of capacitance C1 and capacitance C2 are equal.
4. Waveform Generator circuit according to claim 1, it is characterised in that the comparator module includes fortune
U2 is put, the in-phase input end of amplifier U2 is connected through resistance R8 with the output end of the RC bridge-type oscillation modules, and amplifier U2's is anti-
The output end of phase input end grounding, amplifier U2 is connected through resistance R5 with the anode of voltage-stabiliser tube D3, the cathode of voltage-stabiliser tube D3 and voltage stabilizing
The cathode of pipe D4 is connected, the plus earth of voltage-stabiliser tube D4, and the tie point of the anode of resistance R5 and voltage-stabiliser tube D3 is the ratio
Compared with the output end of device module, output square-wave signal is connected with the input terminal of the integration module.
5. Waveform Generator circuit according to claim 1 or 2 or 3 or 4, it is characterised in that the integration module
Including amplifier U3, the in-phase input end of amplifier U3 is grounded through resistance R7, the inverting input of amplifier U3, all the way through resistance R6 and institute
The output end for the comparator module stated is connected, and another way is connected through capacitance C3 with the output end of amplifier U3, the output end of amplifier U3
Export triangular signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721885600.6U CN207691760U (en) | 2017-12-28 | 2017-12-28 | Waveform Generator circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721885600.6U CN207691760U (en) | 2017-12-28 | 2017-12-28 | Waveform Generator circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207691760U true CN207691760U (en) | 2018-08-03 |
Family
ID=62993113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721885600.6U Expired - Fee Related CN207691760U (en) | 2017-12-28 | 2017-12-28 | Waveform Generator circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207691760U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546852A (en) * | 2018-12-25 | 2019-03-29 | 中山市卓越制品有限公司 | A kind of switching power source control circuit of high power factor |
| CN109831187A (en) * | 2019-03-28 | 2019-05-31 | 上海交通大学 | A kind of changeable frequency triangular carrier generation circuit |
-
2017
- 2017-12-28 CN CN201721885600.6U patent/CN207691760U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546852A (en) * | 2018-12-25 | 2019-03-29 | 中山市卓越制品有限公司 | A kind of switching power source control circuit of high power factor |
| CN109546852B (en) * | 2018-12-25 | 2024-03-19 | 中山市卓越制品有限公司 | High-power factor switching power supply control circuit |
| CN109831187A (en) * | 2019-03-28 | 2019-05-31 | 上海交通大学 | A kind of changeable frequency triangular carrier generation circuit |
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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: 20180803 Termination date: 20191228 |