JPS60114968U - frequency measurement device - Google Patents
frequency measurement deviceInfo
- Publication number
- JPS60114968U JPS60114968U JP361784U JP361784U JPS60114968U JP S60114968 U JPS60114968 U JP S60114968U JP 361784 U JP361784 U JP 361784U JP 361784 U JP361784 U JP 361784U JP S60114968 U JPS60114968 U JP S60114968U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- pulse
- counting
- output
- frequency
- 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
Landscapes
- Measuring Frequencies, Analyzing Spectra (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の周波数測定装置を示すブロック線図、第
２図はこの考案の一実施例を示すブロック線図、第３図
はそれめ制御信号のタイムチャートである。
図において、１は被測定徊号の入力端子、２は増幅回路
、３は波形整形回路、４はパルス計数回路、５は基準時
間発生回路、６は表示回路、７は外部制御端子、８は測
定制御回路、９はスイッチ回路、１０は計数制御回路で
ある。図中同一符号 ゛は同−或いは相当部分を示す。FIG. 1 is a block diagram showing a conventional frequency measuring device, FIG. 2 is a block diagram showing an embodiment of this invention, and FIG. 3 is a time chart of the corresponding control signals. In the figure, 1 is an input terminal of the signal to be measured, 2 is an amplifier circuit, 3 is a waveform shaping circuit, 4 is a pulse counting circuit, 5 is a reference time generation circuit, 6 is a display circuit, 7 is an external control terminal, and 8 is a A measurement control circuit, 9 a switch circuit, and 10 a counting control circuit. The same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
整形し同一周波数のパルス出力に変換する波形整形回路
、基準時間パルスを発生する基準時間発生回路、この回
路からの基準時間パルスによって、上記波形成形回路か
らのパルス出力の一定時間内のパルス数を計数するパル
ス計数回路、及びこの回路の計数出力を表示する表示回
路−とからなる周波数測定装置において、上記増幅回路
への被測定信号の入力の可否を制御するスイッチ回路、
上記パルス計数回路のパルス計数の可否を制御する計数
制御回路、及び上記スイッチ回路と計数制御回路とを同
期して制御する測定制御回路とを設け、この測定制御回
路により、所望時に計数に必要な所定時間だけ上記スイ
ッチ回路及び計数制御回路を同期して動作させ、被測定
信号の周波数測定を可能となるようにした周波数測定装
置。An amplifier circuit that amplifies the signal under test.A waveform shaping circuit that shapes the output of this amplifier circuit and converts it into a pulse output of the same frequency.A reference time generation circuit that generates a reference time pulse.The reference time pulse from this circuit produces the above waveform. In a frequency measuring device comprising a pulse counting circuit that counts the number of pulses within a certain period of time of the pulse output from the shaping circuit, and a display circuit that displays the counting output of this circuit, the signal under measurement is input to the amplifier circuit. A switch circuit that controls whether or not the
A counting control circuit that controls whether or not the pulse counting circuit can count pulses is provided, and a measurement control circuit that synchronizes and controls the switching circuit and the counting control circuit. A frequency measurement device that operates the switch circuit and the counting control circuit in synchronization for a predetermined period of time, thereby making it possible to measure the frequency of a signal under test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP361784U JPS60114968U (en) | 1984-01-12 | 1984-01-12 | frequency measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP361784U JPS60114968U (en) | 1984-01-12 | 1984-01-12 | frequency measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60114968U true JPS60114968U (en) | 1985-08-03 |
Family
ID=30478413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP361784U Pending JPS60114968U (en) | 1984-01-12 | 1984-01-12 | frequency measurement device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60114968U (en) |
-
1984
- 1984-01-12 JP JP361784U patent/JPS60114968U/en active Pending
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