JPS60180143U - automatic output control circuit - Google Patents
automatic output control circuitInfo
- Publication number
- JPS60180143U JPS60180143U JP5120385U JP5120385U JPS60180143U JP S60180143 U JPS60180143 U JP S60180143U JP 5120385 U JP5120385 U JP 5120385U JP 5120385 U JP5120385 U JP 5120385U JP S60180143 U JPS60180143 U JP S60180143U
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- amplifier
- high frequency
- frequency amplifier
- output control
- 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
- Control Of Amplification And Gain Control (AREA)
- Transmitters (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は自動出力制御回路を備えた一般的な無線送信機
のブロック結線図、第2図は従来の自動出力制御回路説
明図、第3図はこの考案に係る自動出力制御回路の第1
実施例を示す回路説明図、第4図はこの考案に使用する
PINダイオードの特性曲線図、第5図は従来の自動出
力制御回路とこの発明の自動出力制御回路の制御電流−
送信出力電力特性の比較図、第6図はこの考案に係る自
動出力制御回路の第2実施例を示す回路説明図である。
図中、2は高周波増幅器、3は電力増幅器、4は方向性
結合器、aは進行波検電力検出端子、bは反射波電力検
出端子、5は帰還増幅器、8は自動出力制御回路、D4
はPINダイオード、Coは直流阻止コンデンサ、TR
1は高周波増幅用トランジスタである。図中同一あるい
は相当部分には同一符号を示す。Fig. 1 is a block diagram of a general wireless transmitter equipped with an automatic output control circuit, Fig. 2 is an explanatory diagram of a conventional automatic output control circuit, and Fig. 3 is a first diagram of an automatic output control circuit according to this invention.
A circuit explanatory diagram showing an embodiment, FIG. 4 is a characteristic curve diagram of a PIN diode used in this invention, and FIG. 5 is a control current of a conventional automatic output control circuit and an automatic output control circuit of the present invention.
A comparison diagram of transmission output power characteristics, and FIG. 6 is a circuit explanatory diagram showing a second embodiment of the automatic output control circuit according to the invention. In the figure, 2 is a high frequency amplifier, 3 is a power amplifier, 4 is a directional coupler, a is a traveling wave power detection terminal, b is a reflected wave power detection terminal, 5 is a feedback amplifier, 8 is an automatic output control circuit, and D4
is a PIN diode, Co is a DC blocking capacitor, TR
1 is a high frequency amplification transistor. Identical or corresponding parts in the figures are denoted by the same reference numerals.
Claims (2)
を受ける電力増幅器、この電力増幅器からの出力信号を
受けて送信電力を出力する方向性結合器、及びこの方向
性結合器からの前記送信電力に伴う反射波出力及び進行
波出力を受けて前記高周波増幅器を制御する帰還増幅器
を備えた自動出力制御回路において、 前記高周波増幅器の入力側に前記高周波増幅器と高周波
的にPINダイオードを並列接続又は直列接続し、前記
PINダイオードに前記送信出力電力に比例した直流電
流を供給して前記高周波増幅器を制御するようにしたこ
とを特徴とする自動出力制御回路。(1) A high-frequency amplifier, a power amplifier that receives an output signal from this high-frequency amplifier, a directional coupler that receives an output signal from this power amplifier and outputs transmission power, and a directional coupler that outputs transmission power from this directional coupler. In an automatic output control circuit equipped with a feedback amplifier that controls the high frequency amplifier in response to reflected wave output and traveling wave output, a PIN diode is connected in parallel or in series with the high frequency amplifier on the input side of the high frequency amplifier. An automatic output control circuit characterized in that the high frequency amplifier is controlled by supplying a direct current proportional to the transmission output power to the PIN diode.
直列体を前記高周波増幅器と高周波的に並列接続し前記
PINダイオードの陽極と前記直流阻止コンデンサとの
接続点と前記帰還増幅器とを接続した実用新案登録請求
の範囲第1項に記載の自動出力制御回路。(2) Registration of a utility model in which the series body of the PIN diode and the DC blocking capacitor is connected in parallel with the high frequency amplifier in terms of high frequency, and the connection point between the anode of the PIN diode and the DC blocking capacitor is connected to the feedback amplifier. An automatic output control circuit according to claim 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5120385U JPS60180143U (en) | 1985-04-04 | 1985-04-04 | automatic output control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5120385U JPS60180143U (en) | 1985-04-04 | 1985-04-04 | automatic output control circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60180143U true JPS60180143U (en) | 1985-11-29 |
Family
ID=30570032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5120385U Pending JPS60180143U (en) | 1985-04-04 | 1985-04-04 | automatic output control circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60180143U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5229552U (en) * | 1975-08-21 | 1977-03-01 | ||
JPS5318942B2 (en) * | 1973-06-22 | 1978-06-17 |
-
1985
- 1985-04-04 JP JP5120385U patent/JPS60180143U/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5318942B2 (en) * | 1973-06-22 | 1978-06-17 | ||
JPS5229552U (en) * | 1975-08-21 | 1977-03-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS60180143U (en) | automatic output control circuit | |
JPS5899941U (en) | transmitter | |
JPS6118647U (en) | Transmission output switching circuit | |
JPS6025248U (en) | transmitter | |
JPS6045518U (en) | automatic level control circuit | |
JPS591244U (en) | transmitter | |
JPS63120429U (en) | ||
JPS59121945U (en) | radar transmitter | |
JPS5826211U (en) | amplifier circuit | |
JPS5850575U (en) | Control device for electronic equipment | |
JPS5922548U (en) | portable receiver | |
JPS59174710U (en) | amplifier | |
JPS5877913U (en) | negative feedback amplifier | |
JPS5861522U (en) | amplifier circuit | |
JPS5823421U (en) | semiconductor sine wave modulator | |
JPS58194520U (en) | Gain control circuit | |
JPS6118644U (en) | Transmission output control circuit | |
JPS5850504U (en) | transformerless collector modulator | |
JPS5896343U (en) | Transmission output control circuit | |
JPS60119122U (en) | power amplifier | |
JPS6030652U (en) | radar transmitter | |
JPS59129236U (en) | Receiver saving circuit | |
JPS5986720U (en) | ALC circuit | |
JPS58109354U (en) | Variable band intermediate frequency amplifier circuit | |
JPS6019219U (en) | amplifier |