CN201479099U - Synchronous sawtooth wave generation device based on zero-crossing detection - Google Patents
Synchronous sawtooth wave generation device based on zero-crossing detection Download PDFInfo
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- CN201479099U CN201479099U CN200920231781XU CN200920231781U CN201479099U CN 201479099 U CN201479099 U CN 201479099U CN 200920231781X U CN200920231781X U CN 200920231781XU CN 200920231781 U CN200920231781 U CN 200920231781U CN 201479099 U CN201479099 U CN 201479099U
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- resistance
- operational amplifier
- sawtooth wave
- ground connection
- zero
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Abstract
The utility model discloses a synchronous sawtooth wave generation device based on zero-crossing detection, which comprises an operational amplifier, a capacitor, a diode and four resistors. The utility model has the advantages of no deficiency of synchronous signals, and stable amplitude, width and height.
Description
Technical field
Utility model relates to a kind of Synchrotrons sawtooth wave generator based on zero passage detection, belongs to the synchronous technical field of power supply.
Background technology
Usually the employing amplitude very big sinusoidal voltage produce trapezoidal wave by high-power resistance and voltage-stabiliser tube, obtain the required power supply of controlled triggering.Its poor stability, power consumption is big.
The utility model content
The utility model purpose be at the defective that prior art exists provide a kind of can be based on the Synchrotrons sawtooth wave generator of zero passage detection.
The utility model adopts following technical scheme for achieving the above object:
The utility model is based on the Synchrotrons sawtooth wave generator of zero passage detection, it is characterized in that comprising operational amplifier, electric capacity, diode and four resistance, wherein the reverse input end of operational amplifier connects an end of the input voltage and first resistance respectively, the other end ground connection of first resistance, the positive input of operational amplifier connects an end of second resistance and the 3rd resistance respectively, the other end ground connection of second resistance, another termination DC power supply of the 3rd resistance, operational amplifier output serial connection diode after be connected in series ground connection behind electric capacity and the 4th resistance respectively.
The utility model synchronizing signal does not have disappearance, amplitude, width and highly all stablize.
Description of drawings
Fig. 1: the utility model circuit theory diagrams.
Fig. 2: the utility model input voltage Vi oscillogram.
Fig. 3: operational amplifier output voltage waveform.
Fig. 4: the utility model output voltage waveform.
Embodiment
Be elaborated below in conjunction with the technical scheme of accompanying drawing to utility model:
As shown in Figure 1, Synchrotrons sawtooth wave generator based on zero passage detection, it is characterized in that comprising operational amplifier, electric capacity, diode and four resistance, wherein the reverse input end of operational amplifier connects an end of the input voltage and first resistance respectively, the other end ground connection of first resistance, the positive input of operational amplifier connects an end of second resistance and the 3rd resistance respectively, the other end ground connection of second resistance, another termination DC power supply of the 3rd resistance, operational amplifier output serial connection diode after be connected in series ground connection behind electric capacity and the 4th resistance respectively.
Described silicon controlled trigger signal generating device is characterized in that described operational amplifier is single supply high input impedance dual operational amplifier LM358.
To shown in Figure 4, the visible the utility model synchronizing signal of each point oscillogram does not have disappearance as Fig. 2, amplitude, width and highly all stablize.
Claims (2)
1. Synchrotrons sawtooth wave generator based on zero passage detection, it is characterized in that comprising operational amplifier, electric capacity, diode and four resistance, wherein the reverse input end of operational amplifier connects an end of the input voltage and first resistance respectively, the other end ground connection of first resistance, the positive input of operational amplifier connects an end of second resistance and the 3rd resistance respectively, the other end ground connection of second resistance, another termination DC power supply of the 3rd resistance, operational amplifier output serial connection diode after be connected in series ground connection behind electric capacity and the 4th resistance respectively.
2. the Synchrotrons sawtooth wave generator based on zero passage detection according to claim 1 is characterized in that described operational amplifier is single supply high input impedance dual operational amplifier LM358.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920231781XU CN201479099U (en) | 2009-09-09 | 2009-09-09 | Synchronous sawtooth wave generation device based on zero-crossing detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920231781XU CN201479099U (en) | 2009-09-09 | 2009-09-09 | Synchronous sawtooth wave generation device based on zero-crossing detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201479099U true CN201479099U (en) | 2010-05-19 |
Family
ID=42415353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920231781XU Expired - Lifetime CN201479099U (en) | 2009-09-09 | 2009-09-09 | Synchronous sawtooth wave generation device based on zero-crossing detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201479099U (en) |
-
2009
- 2009-09-09 CN CN200920231781XU patent/CN201479099U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215214 Wujiang City, Jiangsu province FenHu Beishe Community Road No. 1288. Patentee after: CGN DASHENG ELECTRON ACCELERATOR TECHNOLOGY CO., LTD. Address before: 215214 Wujiang City, Jiangsu province FenHu Beishe Community Road No. 1288. Patentee before: Jiangsu Dasheng Accelerator Manufacturing Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100519 |
|
| CX01 | Expiry of patent term |