JPS5462872A - Period measurement type marker - Google Patents
Period measurement type markerInfo
- Publication number
- JPS5462872A JPS5462872A JP12860277A JP12860277A JPS5462872A JP S5462872 A JPS5462872 A JP S5462872A JP 12860277 A JP12860277 A JP 12860277A JP 12860277 A JP12860277 A JP 12860277A JP S5462872 A JPS5462872 A JP S5462872A
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- sweep
- marker
- circuit
- output
- 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
Abstract
PURPOSE: To enable a digitally sharp marker to be obtained by sequentially measuring the oscillation periods of sweep waveforms.
CONSTITUTION: This invention relates to the insertion of a marker 5 at a desired point of characteristics by branching the output of a frequency sweep oscillator 1 with a marker circuit 4 in the measurement system of inputting the sweep frequency output from the frequency sweep oscillator 1 to the circuit 2 to be measured and inputting the characteristics of the circuit 2 to be measured to a display circuit 3 thereby displaying the characteristics, wherein the oscillation periods of the sweep waveforms of the sweep frequency output are measured by inputting the sweep frequency output from the sweep oscillator 1 to a gate 11 and frequency-dividing the same and from the oscillation periods thus measured a digital oscillation frequency fx is obtained in a counter 17, then this oscillation frequency fx is compared with the desired marker frequency having been set by a marker frequency set circuit 18 in a coincidence circuit 19 and when both coincide, a marker output is produced.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12860277A JPS5462872A (en) | 1977-10-28 | 1977-10-28 | Period measurement type marker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12860277A JPS5462872A (en) | 1977-10-28 | 1977-10-28 | Period measurement type marker |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5462872A true JPS5462872A (en) | 1979-05-21 |
Family
ID=14988821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12860277A Pending JPS5462872A (en) | 1977-10-28 | 1977-10-28 | Period measurement type marker |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5462872A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102207522A (en) * | 2011-04-01 | 2011-10-05 | 广州润芯信息技术有限公司 | Resistance capacitance (RC) constant measuring method based on frequency measurement |
-
1977
- 1977-10-28 JP JP12860277A patent/JPS5462872A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102207522A (en) * | 2011-04-01 | 2011-10-05 | 广州润芯信息技术有限公司 | Resistance capacitance (RC) constant measuring method based on frequency measurement |
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