CN103323638A - Multifunctional digital scope meter - Google Patents
Multifunctional digital scope meter Download PDFInfo
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- CN103323638A CN103323638A CN2013102810367A CN201310281036A CN103323638A CN 103323638 A CN103323638 A CN 103323638A CN 2013102810367 A CN2013102810367 A CN 2013102810367A CN 201310281036 A CN201310281036 A CN 201310281036A CN 103323638 A CN103323638 A CN 103323638A
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Abstract
The invention discloses a multifunctional digital scope meter. The multifunctional digital scope meter comprises a measurement circuit, an input circuit, a trigger circuit, an A/D (analog/digital) conversion module, a control circuit, an RAM (random access memory), a keyboard circuit and a display circuit, wherein the output end of the measurement circuit is connected with the input end of the A/D conversion module; the output end of the input circuit is divided into two paths, one path is connected with the input end of the A/D conversion module, and the other path is connected with the input end of the trigger circuit; the output end of the trigger circuit and the output end of the A/D conversion module are connected with the control circuit respectively; the output end of the control circuit is connected with the display circuit, and further connected with the RAM and the keyboard circuit respectively. The multifunctional digital scope meter disclosed by the invention can be used for measuring resistance, voltage and current, and displaying the waveforms of measured signals; measurement parameters, such as a positive peak value, a negative peak value, a peak-to-peak value, a frequency and a period, are displayed on a same screen with the waveforms of the measured signals; an operator can conveniently observe a test result without complicated adjustment.
Description
Technical field
The invention discloses a kind of multifunctional digital Oscillograph, belong to the digital instrument technical field.
Background technology
Digital Oscillograph is a kind of novel instrument of being convenient to Site Detection, maintenance use that grows up on the digital storage oscilloscope basis.Existing oscillograph, button and knob-operated program are comparatively numerous and diverse, and the effect that uses is not directly perceived yet.And existing oscillograph function is comparatively single, the waveform of the measurement parameter such as the positive and negative peak value of survey measurements, peak-to-peak value, frequency, cycle and measured signal can't be shown with screen, do not possess waveform storage playback, the functions such as effective value measurement, triggering level selection.
Summary of the invention
Technical matters to be solved by this invention is: for the defective of prior art, provide a kind of multifunctional digital Oscillograph.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A kind of multifunctional digital Oscillograph comprises metering circuit, input circuit, trigger circuit, A/D modular converter, control circuit, RAM, keyboard circuit, display circuit;
The output terminal of described metering circuit is connected with the input end of A/D modular converter, and the output terminal of described input circuit is divided into two-way, and one the tunnel is connected with the input end of A/D modular converter, and the input end of another road and trigger circuit is connected; The output terminal of the output terminal of trigger circuit, A/D modular converter is connected with control circuit respectively; The output terminal of control circuit is connected with display circuit, and control circuit also is connected with RAM, keyboard circuit respectively.
As the present invention further optimization scheme, described trigger circuit adopt rising edge internal trigger mode.
As the present invention further optimization scheme, in the described input circuit, the sinusoidal signal frequency scope of input is: 10～100kHz, amplitude is: 0.1V
PP～5V
PP
The present invention adopts above technical scheme compared with prior art, has following technique effect: can measuring resistance, and voltage and current, and can show the measured signal waveform.The waveform of the measurement parameter such as positive and negative peak value, peak-to-peak value, frequency, cycle and measured signal is shown with screen.The operator need not loaded down with trivial details adjusting, easily observation test result.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is described in further detail:
Structural representation of the present invention as shown in Figure 1.A kind of multifunctional digital Oscillograph comprises metering circuit, input circuit, trigger circuit, A/D modular converter, control circuit, RAM, keyboard circuit, display circuit.
The output terminal of described metering circuit is connected with the input end of A/D modular converter, and the output terminal of described input circuit is divided into two-way, and one the tunnel is connected with the input end of A/D modular converter, and the input end of another road and trigger circuit is connected; The output terminal of the output terminal of trigger circuit, A/D modular converter is connected with control circuit respectively; The output terminal of control circuit is connected with display circuit, and control circuit also is connected with RAM, keyboard circuit respectively.
As the present invention further optimization scheme, described trigger circuit adopt rising edge internal trigger mode.
As the present invention further optimization scheme, in the described input circuit, the sinusoidal signal frequency scope of input is: 10～100kHz, amplitude is: 0.1V
PP～5V
PP
Multifunctional digital Oscillograph disclosed by the invention can measuring resistance, voltage and current, and can show the measured signal waveform.The property indices such as automatic catch, sensitivity, measuring error, input impedance have all well reached designing requirement.
Base and Y-axis sensitivity when (1) Lookup protocol (AUTO) function can not regulated, and automatically select suitable time basic a, sensitivity by operation A UTO key, make waveform horizontal and vertical direction that a suitable demonstration be arranged;
(2) measurement function can demonstrate the respective waveforms parameter automatically by the operational measure key automatically;
(3) by button handover measurement resistance, voltage, electric current and waveform Presentation Function;
(4) can show the measured signal waveform, sinusoidal signal frequency scope: 10～100kHz, amplitude 0.1V
PP～5V
PP, the trigger circuit of instrument adopt rising edge internal trigger mode;
(5) automatically measure and show peak-peak value and the frequency values of measured signal;
(6) sweep velocity contains 200ms/div, 2ms/div, 20us/div third gear at least, has Lookup protocol (AUTO) function, and to show the suitable waveform of observing, waveform is without obvious distortion.
Claims (3)
1. a multifunctional digital Oscillograph is characterized in that: comprise metering circuit, input circuit, trigger circuit, A/D modular converter, control circuit, RAM, keyboard circuit, display circuit;
The output terminal of described metering circuit is connected with the input end of A/D modular converter, and the output terminal of described input circuit is divided into two-way, and one the tunnel is connected with the input end of A/D modular converter, and the input end of another road and trigger circuit is connected; The output terminal of the output terminal of trigger circuit, A/D modular converter is connected with control circuit respectively; The output terminal of control circuit is connected with display circuit, and control circuit also is connected with RAM, keyboard circuit respectively.
2. a kind of multifunctional digital Oscillograph as claimed in claim 1 is characterized in that: described trigger circuit employing rising edge internal trigger mode.
3. a kind of multifunctional digital Oscillograph as claimed in claim 1, it is characterized in that: in the described input circuit, the sinusoidal signal frequency scope of input is: 10～100kHz, amplitude is: 0.1V
PP～5V
PP
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102810367A CN103323638A (en) | 2013-07-05 | 2013-07-05 | Multifunctional digital scope meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102810367A CN103323638A (en) | 2013-07-05 | 2013-07-05 | Multifunctional digital scope meter |
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| CN103323638A true CN103323638A (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013102810367A Pending CN103323638A (en) | 2013-07-05 | 2013-07-05 | Multifunctional digital scope meter |
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| CN (1) | CN103323638A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091433A (en) * | 2014-07-08 | 2014-10-08 | 中国电子科技集团公司第四十一研究所 | System and method for wirelessly transmitting data of digital scopemeter based on RFID (Radio Frequency Identification) |
| CN104391154A (en) * | 2014-11-25 | 2015-03-04 | 苏州立瓷电子技术有限公司 | Oscilloscope based on dual amplifying circuit. |
| CN113219363A (en) * | 2021-03-25 | 2021-08-06 | 合肥联宝信息技术有限公司 | Power supply noise test method and device and storage medium |
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Patent Citations (9)
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| US4495586A (en) * | 1982-07-29 | 1985-01-22 | Tektronix, Inc. | Waveform acquisition apparatus and method |
| US6570592B1 (en) * | 1999-10-29 | 2003-05-27 | Agilent Technologies, Inc. | System and method for specifying trigger conditions of a signal measurement system using graphical elements on a graphical user interface |
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| CN201926702U (en) * | 2010-10-29 | 2011-08-10 | 大连海事大学 | Electronic alternating-current millivolt meter |
| CN202075334U (en) * | 2011-06-09 | 2011-12-14 | 河北工业大学 | Peak voltage digital display meter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091433A (en) * | 2014-07-08 | 2014-10-08 | 中国电子科技集团公司第四十一研究所 | System and method for wirelessly transmitting data of digital scopemeter based on RFID (Radio Frequency Identification) |
| CN104391154A (en) * | 2014-11-25 | 2015-03-04 | 苏州立瓷电子技术有限公司 | Oscilloscope based on dual amplifying circuit. |
| CN104391154B (en) * | 2014-11-25 | 2017-03-01 | 石狮永峰电子有限公司 | A kind of oscillograph based on dual amplification circuit |
| CN113219363A (en) * | 2021-03-25 | 2021-08-06 | 合肥联宝信息技术有限公司 | Power supply noise test method and device and storage medium |
| CN113219363B (en) * | 2021-03-25 | 2022-06-10 | 合肥联宝信息技术有限公司 | Power supply noise test method and device and storage medium |
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Application publication date: 20130925 |