JPS5899941U - transmitter - Google Patents
transmitterInfo
- Publication number
- JPS5899941U JPS5899941U JP19693081U JP19693081U JPS5899941U JP S5899941 U JPS5899941 U JP S5899941U JP 19693081 U JP19693081 U JP 19693081U JP 19693081 U JP19693081 U JP 19693081U JP S5899941 U JPS5899941 U JP S5899941U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- high frequency
- power supply
- supply voltage
- transmitter
- 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.)
- Granted
Links
Landscapes
- Amplifiers (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図は従来のＦＭ送信機のブロック図、第２図は従来
の無線機の自動出力制御回路の一例を示す回路図、第３
図はこの考案の一実施例を示すＦＭ送信機のブロック図
、第４図はその具体回路４ を示す回路図である。
図中、１はヤンガ回路、２は高周波増幅器、３は電力増
幅器、４は方向性結合器、５は帰還増幅器、６は低域ろ
波器、７は空中線、８１・ま自動出力制御回路、９は定
電圧回路、１０は充電口、１１はカーバッテリー、１２
はヒユーズ、１４は電圧 ゛検出回路であ゛る。なお図
中同一符号は同−又は相当する部分を示す。Figure 1 is a block diagram of a conventional FM transmitter, Figure 2 is a circuit diagram showing an example of an automatic output control circuit of a conventional radio, and Figure 3 is a block diagram of a conventional FM transmitter.
The figure is a block diagram of an FM transmitter showing an embodiment of this invention, and FIG. 4 is a circuit diagram showing a specific circuit 4 thereof. In the figure, 1 is a Younger circuit, 2 is a high-frequency amplifier, 3 is a power amplifier, 4 is a directional coupler, 5 is a feedback amplifier, 6 is a low-pass filter, 7 is an antenna, 81 is an automatic output control circuit, 9 is a constant voltage circuit, 10 is a charging port, 11 is a car battery, 12
14 is a fuse, and 14 is a voltage detection circuit. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (2)
、この電力増幅器出力の反射波及び進行波出力レベルに
応じて前記高周波増幅器に印加する電源電圧を制御し、
送信出力の安定化を図る帰還増幅器を有する送信機にお
いて前記帰還増幅器に前記高周波増幅器の電源電圧を検
出する電圧検出回路を接続し、電源電圧が異常上界した
時、前記高周波増幅器の印加電源電圧を制御するように
したことを特徴とする送信機。(1) A high frequency amplifier and a power amplifier are connected in cascade, and the power supply voltage applied to the high frequency amplifier is controlled according to the reflected wave and traveling wave output levels of the power amplifier output,
In a transmitter having a feedback amplifier for stabilizing transmission output, a voltage detection circuit for detecting the power supply voltage of the high frequency amplifier is connected to the feedback amplifier, and when the power supply voltage abnormally rises, the applied power supply voltage of the high frequency amplifier is connected to the feedback amplifier. A transmitter characterized in that it is configured to control.
たことを特徴とする実用新案登録請求の範囲第１項記載
の送信機。(2) The transmitter according to claim 1, wherein the voltage detection circuit is constructed of a Zener diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19693081U JPS5899941U (en) | 1981-12-25 | 1981-12-25 | transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19693081U JPS5899941U (en) | 1981-12-25 | 1981-12-25 | transmitter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5899941U true JPS5899941U (en) | 1983-07-07 |
| JPS6219001Y2 JPS6219001Y2 (en) | 1987-05-15 |
Family
ID=30110156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19693081U Granted JPS5899941U (en) | 1981-12-25 | 1981-12-25 | transmitter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5899941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6066166A (en) * | 1983-09-22 | 1985-04-16 | Nec Corp | Reflected wave power detecting circuit |
-
1981
- 1981-12-25 JP JP19693081U patent/JPS5899941U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6066166A (en) * | 1983-09-22 | 1985-04-16 | Nec Corp | Reflected wave power detecting circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6219001Y2 (en) | 1987-05-15 |
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