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