JPH042109U - - Google Patents
Info
- Publication number
- JPH042109U JPH042109U JP4262290U JP4262290U JPH042109U JP H042109 U JPH042109 U JP H042109U JP 4262290 U JP4262290 U JP 4262290U JP 4262290 U JP4262290 U JP 4262290U JP H042109 U JPH042109 U JP H042109U
- Authority
- JP
- Japan
- Prior art keywords
- oscillation frequency
- magnetron
- signal
- frequency
- command
- 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 22
- 238000010248 power generation Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- 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及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……マグネトロン、２……サーボ
アンプ、３……周波数読出回路、４……発振周波
数指令部、５……差動アンプ、６……ＶＣＯ、７
……比較検出回路、８……可変抵抗器、９……マ
グネトロン１の発振周波数入力、１０……ミキサ
、１１……誤差検出回路、１２Ａ〜１２Ｂ……バ
ツフアアンプ、１３……加算器、１４……発振周
波数指令信号である。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... Magnetron, 2... Servo amplifier, 3... Frequency readout circuit, 4... Oscillation frequency command section, 5... Differential amplifier, 6... VCO, 7
... Comparison detection circuit, 8 ... Variable resistor, 9 ... Oscillation frequency input of magnetron 1, 10 ... Mixer, 11 ... Error detection circuit, 12A to 12B ... Buffer amplifier, 13 ... Adder, 14 ... ...This is an oscillation frequency command signal. It should be noted that the same or equivalent parts in the figures are indicated 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発振周波数指令部へ出力す
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比例した発
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 unit that outputs a signal that varies the oscillation frequency of the magnetron; and an oscillation frequency command signal from the oscillation frequency command unit; A differential amplifier that detects an error with the signal obtained from the frequency readout circuit and outputs an input signal for 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. The oscillation frequency signal of the magnetron is always equal to the oscillation frequency. A magnetron oscillation frequency control device characterized by operating at an oscillation frequency proportional to a command signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4262290U JPH042109U (en) | 1990-04-21 | 1990-04-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4262290U JPH042109U (en) | 1990-04-21 | 1990-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH042109U true JPH042109U (en) | 1992-01-09 |
Family
ID=31554326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4262290U Pending JPH042109U (en) | 1990-04-21 | 1990-04-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH042109U (en) |
-
1990
- 1990-04-21 JP JP4262290U patent/JPH042109U/ja active Pending
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