JPS591244U - transmitter - Google Patents
transmitterInfo
- Publication number
- JPS591244U JPS591244U JP9600882U JP9600882U JPS591244U JP S591244 U JPS591244 U JP S591244U JP 9600882 U JP9600882 U JP 9600882U JP 9600882 U JP9600882 U JP 9600882U JP S591244 U JPS591244 U JP S591244U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- power
- resistors
- high frequency
- receives
- 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)
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例のブロック回路図であり、第
２図、第３図はその他の実施例を示すブロック回路図で
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は低域濾波器、１６は空中線
、７は帰還増幅器、８はアナログスイッチである。なお
、図中同一符号は同−又は相当部分を示す。FIG. 1 is a block circuit diagram of one embodiment of the present invention, and FIGS. 2 and 3 are block circuit diagrams showing other embodiments. 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 low-pass filter, 16 is an antenna, 7 is a feedback amplifier, and 8 is an analog switch. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
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、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
前記高周波増幅器と電力増幅器を制御する帰還増幅器よ
り成る自動出力制御回路を備えた送信機において、前記
帰還増幅器の基準電圧端子に並列又は直列に多段に抵抗
器を接続し、これらの抵抗器を切り分は接続するスイッ
チ端子を有するアナログスイッチを設け、このアナログ
スイッチの制御信号によって前記抵抗器を切り分けて前
記帰還増幅器の基準電圧端子の電圧を多段階に変化させ
、送信出力電力を多段階に制御することを特徴とする送
信機。a high frequency amplifier, a power amplifier that receives a signal from this high frequency amplifier, a directional coupler that receives an output signal from this power amplifier and outputs transmission power, a reflected wave output accompanying the transmission power from this directional coupler, and In a transmitter equipped with an automatic output control circuit including a feedback amplifier that receives a traveling wave output and controls the high frequency amplifier and the power amplifier, resistors are connected in multiple stages in parallel or in series to a reference voltage terminal of the feedback amplifier, An analog switch having a switch terminal to connect these resistors is provided, and the control signal of this analog switch is used to divide the resistors and change the voltage at the reference voltage terminal of the feedback amplifier in multiple stages, thereby changing the transmission output. A transmitter characterized by controlling power in multiple stages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9600882U JPS591244U (en) | 1982-06-24 | 1982-06-24 | transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9600882U JPS591244U (en) | 1982-06-24 | 1982-06-24 | transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS591244U true JPS591244U (en) | 1984-01-06 |
Family
ID=30229003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9600882U Pending JPS591244U (en) | 1982-06-24 | 1982-06-24 | transmitter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS591244U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6167311A (en) * | 1984-09-11 | 1986-04-07 | Sanyo Electric Co Ltd | Automatic level controlling circuit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56110346A (en) * | 1980-02-05 | 1981-09-01 | Nippon Telegr & Teleph Corp <Ntt> | Control circuit of transmitter output |
-
1982
- 1982-06-24 JP JP9600882U patent/JPS591244U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56110346A (en) * | 1980-02-05 | 1981-09-01 | Nippon Telegr & Teleph Corp <Ntt> | Control circuit of transmitter output |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6167311A (en) * | 1984-09-11 | 1986-04-07 | Sanyo Electric Co Ltd | Automatic level controlling circuit |
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