JPS6165366U - - Google Patents
Info
- Publication number
- JPS6165366U JPS6165366U JP14914384U JP14914384U JPS6165366U JP S6165366 U JPS6165366 U JP S6165366U JP 14914384 U JP14914384 U JP 14914384U JP 14914384 U JP14914384 U JP 14914384U JP S6165366 U JPS6165366 U JP S6165366U
- Authority
- JP
- Japan
- Prior art keywords
- output signal
- filter
- controlled oscillator
- voltage controlled
- input signal
- 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
- 238000001228 spectrum Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Description
第１図はこの発明の一実施例を示すブロツク図
、第２図は従来の位相雑音測定器を示すブロツク
図である。
図において１は入力端子、２は電圧制御発振器
、３は位相検波器、４はフイルタ、５は位相同期
回路、６は増幅器、７はスペクトラムアナライザ
、８は制御器、９は出力端子、Ａは入力信号、Ｂ
は電圧制御発振器２の出力信号、Ｃはフイルタ４
の出力信号、Ｄは位相同期回路５の出力信号、Ｅ
は制御器８の出力信号である。なお、各図中同一
符号は同一または相当部分を示す。
FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a block diagram showing a conventional phase noise measuring device. In the figure, 1 is an input terminal, 2 is a voltage controlled oscillator, 3 is a phase detector, 4 is a filter, 5 is a phase locked circuit, 6 is an amplifier, 7 is a spectrum analyzer, 8 is a controller, 9 is an output terminal, and A is a Input signal, B
is the output signal of voltage controlled oscillator 2, C is the output signal of filter 4
, D is the output signal of the phase-locked circuit 5, and E
is the output signal of the controller 8. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
御発振器と、入力信号を電圧制御発振器の出力信
号で検波する位相検波器と、位相検波器の出力信
号から不要な信号を除去するフイルタと、フイル
タの出力信号を増幅する増幅器と、この増幅器の
出力信号を表示するスペクトラムアナライザと、
フイルタの出力信号を用いて上記電圧制御発振器
を制御し入力信号に位相同期させる位相同期回路
と、フイルタの出力信号を用いて入力信号周波数
を制御する制御器とで構成したことを特徴とする
位相雑音測定器。 A voltage controlled oscillator that generates a signal with the same frequency as the input signal, a phase detector that detects the input signal using the output signal of the voltage controlled oscillator, a filter that removes unnecessary signals from the output signal of the phase detector, and a filter that detects the input signal using the output signal of the voltage controlled oscillator. an amplifier that amplifies the output signal; a spectrum analyzer that displays the output signal of this amplifier;
A phase locking circuit comprising: a phase synchronization circuit that controls the voltage controlled oscillator using the output signal of the filter and synchronizes the phase with the input signal; and a controller that controls the frequency of the input signal using the output signal of the filter. Noise measuring instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14914384U JPS6165366U (en) | 1984-10-02 | 1984-10-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14914384U JPS6165366U (en) | 1984-10-02 | 1984-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6165366U true JPS6165366U (en) | 1986-05-06 |
Family
ID=30707331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14914384U Pending JPS6165366U (en) | 1984-10-02 | 1984-10-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6165366U (en) |
-
1984
- 1984-10-02 JP JP14914384U patent/JPS6165366U/ja active Pending
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