JPH0444716U - - Google Patents
Info
- Publication number
- JPH0444716U JPH0444716U JP8718690U JP8718690U JPH0444716U JP H0444716 U JPH0444716 U JP H0444716U JP 8718690 U JP8718690 U JP 8718690U JP 8718690 U JP8718690 U JP 8718690U JP H0444716 U JPH0444716 U JP H0444716U
- Authority
- JP
- Japan
- Prior art keywords
- oscillation frequency
- magnetron
- signal
- frequency
- outputs
- 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
- 230000010355 oscillation Effects 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010248 power generation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Radar Systems Or Details Thereof (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Description
第１図はこの考案の一実施例を示す構成図、第
２図は発振周波数指令部および比較検出回路の一
実施例を示す構成図、第３図は発振周波数指令信
号とマグネトロンの発振周波数との関係を示す特
性図、第４図は従来のマグネトロン発振周波数制
御装置の構成図である。
図において１はマグネトロン、２はサーボアン
プ、３は周波数読出回路、４は発振周波数指令部
、５は作動アンプ、６はＶＯＣ、７は比較検出回
路、８はレゾルバ出力信号、９はサンプルホール
ド回路、１０はパルス発生回路、１１はローパス
フイルタ、１２Ａ〜１２Ｂはバツフアアンプ、１
３は上記４からの発振周波数指令信号、１４はマ
グネトロン１の発振周波数入力、１５はミキサ、
１６は誤差検出回路、１７は加算器、１８は読出
信号である。なお、図中、同一或いは相当部分に
は同一符号を付して示してある。
Fig. 1 is a block diagram showing an embodiment of this invention, Fig. 2 is a block diagram showing an embodiment of the oscillation frequency command section and comparison detection circuit, and Fig. 3 shows the relationship between the oscillation frequency command signal and the oscillation frequency of the magnetron. FIG. 4 is a configuration diagram of a conventional magnetron oscillation frequency control device. In the figure, 1 is a magnetron, 2 is a servo amplifier, 3 is a frequency readout circuit, 4 is an oscillation frequency command unit, 5 is an operating amplifier, 6 is a VOC, 7 is a comparison detection circuit, 8 is a resolver output signal, and 9 is a sample hold circuit. , 10 is a pulse generation circuit, 11 is a low-pass filter, 12A to 12B are buffer amplifiers, 1
3 is the oscillation frequency command signal from 4 above, 14 is the oscillation frequency input of magnetron 1, 15 is the mixer,
16 is an error detection circuit, 17 is an adder, and 18 is a read signal. In the drawings, the same or corresponding parts are designated by the same reference numerals.
Claims (1)
発振周波数を制御させるマグネトロン発振周波数
制御装置において、マグネトロンのモータに発振
周波数制御用の信号を供給するサーボアンプと、
上記マグネトロンのレゾルバからの回転角度から
発振周波数を検出する周波数読出回路と、上記マ
グネトロンの発振周波数を可変させる信号を出力
する発振周波数指令部と、上記発振周波数指令部
からの発振周波数指令信号と、上記周波数読出回
路から得られた信号との誤差を検出し、上記サー
ボアンプの入力信号を出力する差動アンプと、上
記発振周波数指令部からの発振周波数指令信号に
より上記マグネトロンの発振周波数と同じ周波数
を出力する電圧制御発振器と、上記マグネトロン
の発振周波数信号と上記電圧制御発振器の出力信
号とを比較検出し上記周波数読出回路へ出力する
比較検出回路から構成され、マグネトロンの発振
周波数が常に発振周波数指令信号に一致した発振
周波数で動作させることを特徴とするマグネトロ
ン発振周波数制御装置。 A magnetron oscillation frequency control device that controls the oscillation frequency of a magnetron, which is one of the sources of high-frequency power generation, includes a servo amplifier that supplies a signal for controlling the oscillation frequency to the motor of the magnetron;
a frequency reading circuit that detects an oscillation frequency from a rotation angle from a resolver of the magnetron; an oscillation frequency command section that outputs a signal that varies the oscillation frequency of the magnetron; and an oscillation frequency command signal from the oscillation frequency command section; A differential amplifier that detects the error with the signal obtained from the frequency readout circuit and outputs the input signal of the servo amplifier, and an oscillation frequency command signal from the oscillation frequency command section to generate a frequency that is the same as the oscillation frequency of the magnetron. and a comparison detection circuit that compares and detects the oscillation frequency signal of the magnetron with the output signal of the voltage control oscillator and outputs it to the frequency readout circuit. A magnetron oscillation frequency control device characterized by operating at an oscillation frequency that matches a signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8718690U JPH0444716U (en) | 1990-08-21 | 1990-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8718690U JPH0444716U (en) | 1990-08-21 | 1990-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0444716U true JPH0444716U (en) | 1992-04-16 |
Family
ID=31819329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8718690U Pending JPH0444716U (en) | 1990-08-21 | 1990-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0444716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009277379A (en) * | 2008-05-12 | 2009-11-26 | New Japan Radio Co Ltd | Electronic tuning magnetron |
-
1990
- 1990-08-21 JP JP8718690U patent/JPH0444716U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009277379A (en) * | 2008-05-12 | 2009-11-26 | New Japan Radio Co Ltd | Electronic tuning magnetron |
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