JPS61102966U - - Google Patents
Info
- Publication number
- JPS61102966U JPS61102966U JP18764484U JP18764484U JPS61102966U JP S61102966 U JPS61102966 U JP S61102966U JP 18764484 U JP18764484 U JP 18764484U JP 18764484 U JP18764484 U JP 18764484U JP S61102966 U JPS61102966 U JP S61102966U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- meter
- frequency
- amplitude
- difference
- 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
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
Description
第１図は本考案に係る周波数計の一実施例を示
す接続図、第２図は従来の周波数計の接続図、第
３図は第１図および第２図の回路の動作を説明す
る為の図である。
Ｒｇ……振幅整形回路、Ｃ１……微分用コンデ
ンサ、Ｃ２……平滑用コンデンサ、Ｃ３……バイ
アス用コンデンサ、Ｍ……計器素子、Ｕ……増幅
器、Ｒ５……可変抵抗素子。
Figure 1 is a connection diagram showing an embodiment of the frequency meter according to the present invention, Figure 2 is a connection diagram of a conventional frequency meter, and Figure 3 is for explaining the operation of the circuits in Figures 1 and 2. This is a diagram. Rg...amplitude shaping circuit, C1...differential capacitor, C2...smoothing capacitor, C3...bias capacitor, M...instrument element, U...amplifier, R5...variable resistance element.
Claims (1)
たのち微分回路で微分し、その微分信号と前記振
幅整形回路の出力をコンデンサに充電することに
よつて得られるバイアス信号との差を可動コイル
形計器素子で指示させることにより被測定信号の
周波数を計測するようにした周波数計において、
前記差の信号をその利得を可変することのできる
増幅器を設け、その増幅出力を前記計器素子に加
えるように構成したことを特徴とする周波数計。 The signal to be measured is amplitude-shaped via an amplitude shaping circuit, then differentiated by a differentiating circuit, and the difference between the differential signal and a bias signal obtained by charging a capacitor with the output of the amplitude shaping circuit is calculated using a moving coil type. In a frequency meter that measures the frequency of a signal under measurement by indicating it with a meter element,
A frequency meter comprising: an amplifier capable of varying the gain of the difference signal; and the amplified output thereof is applied to the meter element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18764484U JPS61102966U (en) | 1984-12-11 | 1984-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18764484U JPS61102966U (en) | 1984-12-11 | 1984-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61102966U true JPS61102966U (en) | 1986-07-01 |
Family
ID=30745106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18764484U Pending JPS61102966U (en) | 1984-12-11 | 1984-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61102966U (en) |
-
1984
- 1984-12-11 JP JP18764484U patent/JPS61102966U/ja active Pending