JPH0164079U - - Google Patents
Info
- Publication number
- JPH0164079U JPH0164079U JP1987158303U JP15830387U JPH0164079U JP H0164079 U JPH0164079 U JP H0164079U JP 1987158303 U JP1987158303 U JP 1987158303U JP 15830387 U JP15830387 U JP 15830387U JP H0164079 U JPH0164079 U JP H0164079U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- reference voltage
- offset
- divided
- Prior art date
- 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.)
- Pending
Links
- 239000000523 sample Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
第１図はこの考案の電圧プローブの構成図、第
２図はその電圧波形図、第３図は制御信号と差の
電圧との関係図、第４図は従来の電圧プローブの
構成図、第５図はその電圧派形図、第６図は制御
信号と差の電圧との関係図である。
図中、２は分圧回路、５は基準電圧発生回路、
６は比較検出回路、７は基準電圧制御回路、８は
表示回路、９はオフセツト回路である。尚、図中
同一あるいは相当部品には同一符号を付して示し
てある。
Figure 1 is a configuration diagram of the voltage probe of this invention, Figure 2 is its voltage waveform diagram, Figure 3 is a diagram of the relationship between control signals and differential voltages, Figure 4 is a diagram of the configuration of a conventional voltage probe, and Figure 4 is a diagram of the relationship between the control signal and the voltage difference. FIG. 5 is a voltage variation diagram thereof, and FIG. 6 is a relationship diagram between the control signal and the difference voltage. In the figure, 2 is a voltage dividing circuit, 5 is a reference voltage generation circuit,
6 is a comparison detection circuit, 7 is a reference voltage control circuit, 8 is a display circuit, and 9 is an offset circuit. In the drawings, the same or equivalent parts are denoted by the same reference numerals.
Claims (1)
圧を発生する基準電圧発生回路と、上記分圧回路
から分圧された電圧と上記基準電圧発生回路より
出力される電圧とを比較し、両者の差の電圧を検
出する比較検出回路と、比較検出回路で検出され
た前記差の電圧が小さくなる様に上記基準電圧発
生回路を制御する基準電圧制御回路と、基準電圧
に対応した直流オフセツト電圧を表示する表示回
路と、上記分圧回路から分圧されて電圧と上記基
準電圧発生回路より出力される電圧により直流オ
フセツトを無くす為のオフセツト回路とを備えた
事を特徴とする電圧プローブ。 A voltage dividing circuit that divides the input signal, a reference voltage generating circuit that generates a reference voltage for comparison, and comparing the voltage divided from the voltage dividing circuit and the voltage output from the reference voltage generating circuit, a reference voltage control circuit that controls the reference voltage generation circuit so that the difference voltage detected by the comparison detection circuit becomes small; and a DC offset voltage corresponding to the reference voltage. 1. A voltage probe comprising: a display circuit for displaying the voltage; and an offset circuit for eliminating DC offset by the voltage divided from the voltage dividing circuit and the voltage output from the reference voltage generating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987158303U JPH0164079U (en) | 1987-10-16 | 1987-10-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987158303U JPH0164079U (en) | 1987-10-16 | 1987-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0164079U true JPH0164079U (en) | 1989-04-25 |
Family
ID=31438505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987158303U Pending JPH0164079U (en) | 1987-10-16 | 1987-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0164079U (en) |
-
1987
- 1987-10-16 JP JP1987158303U patent/JPH0164079U/ja active Pending