JPS60119122U - power amplifier - Google Patents
power amplifierInfo
- Publication number
- JPS60119122U JPS60119122U JP667284U JP667284U JPS60119122U JP S60119122 U JPS60119122 U JP S60119122U JP 667284 U JP667284 U JP 667284U JP 667284 U JP667284 U JP 667284U JP S60119122 U JPS60119122 U JP S60119122U
- Authority
- JP
- Japan
- Prior art keywords
- power amplifier
- input signal
- fet
- field effect
- effect transistor
- 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
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (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図は従来の電力増幅器を示す回路図、第２図は入力
信号レベルとＦＥＴのドレン電流ＩＤの関係を示す特性
図、第３図は入力信号レベルと出力電力の関係を示す特
性図、第４図はＦＥＴのドレイン電力■。と出力電力の
関係を示す特性図、第５図はこの考案の一実施例による
電力増幅器を示す回路−１第６図はこの考案による入力
信号？ベルとＦＥＴのドレイン電流Ｉｏの関係を示す特
性図、第７図はこの考案による入力信号レベルと出力電
力の関係を示す特性図である。
１・・・ＦＥＴ、 ８・・−ＦＥＴ増幅器出力側整合回
路、９・・−ＲＦ出力検波回路、１１・・・直流増幅器
、１３・・・−送信出力制御用トランジスタ、１９・・
・ＲＦ結合コンデンサ、２０・・−ＲＦ検波ダイオード
、２２・・・ＲＦ信号検知用トランジスタ、２６・・・
ＦＥＴドレイン電圧制御用ツェナーダイオード。なお、
図中同一符号は同一、または相当部分を示す。
′補正 昭５’１６．１１
一図面の簡単な説明を次のように補正する。
明細書第９頁第１５ｆｉ″目において、′ツーエナーダ
イす−ドヨを１ダイオードｊに訂正する。FIG. 1 is a circuit diagram showing a conventional power amplifier, FIG. 2 is a characteristic diagram showing the relationship between input signal level and FET drain current ID, and FIG. 3 is a characteristic diagram showing the relationship between input signal level and output power. Figure 4 shows the FET drain power ■. FIG. 5 is a circuit showing a power amplifier according to an embodiment of this invention. FIG. 6 is an input signal according to this invention. FIG. 7 is a characteristic diagram showing the relationship between the input signal level and the output power according to this invention. DESCRIPTION OF SYMBOLS 1... FET, 8... - FET amplifier output side matching circuit, 9... - RF output detection circuit, 11... DC amplifier, 13... - Transmission output control transistor, 19...
・RF coupling capacitor, 20... -RF detection diode, 22... RF signal detection transistor, 26...
Zener diode for FET drain voltage control. In addition,
The same reference numerals in the figures indicate the same or corresponding parts. 'Amendment 16/11/1971 The brief description of one drawing is amended as follows. In the 15th fi'' of page 9 of the specification, '2-ener-dye-doyo' is corrected to 1-diode j.
Claims (1)
器において、その送信出力レベル、および入力信号レベ
ルに応じて上記電界効果トランジスタの動作電源電圧を
制御することにより、上記電力増幅器の出力レベルの安
定化を図っｋこ−とを特徴とする電力増幅器。In a power amplifier configured with a field effect transistor (FET), the output level of the power amplifier is stabilized by controlling the operating power supply voltage of the field effect transistor according to its transmission output level and input signal level. A power amplifier characterized by the following features.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP667284U JPS60119122U (en) | 1984-01-20 | 1984-01-20 | power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP667284U JPS60119122U (en) | 1984-01-20 | 1984-01-20 | power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60119122U true JPS60119122U (en) | 1985-08-12 |
Family
ID=30484329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP667284U Pending JPS60119122U (en) | 1984-01-20 | 1984-01-20 | power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60119122U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015149593A (en) * | 2014-02-06 | 2015-08-20 | 株式会社東芝 | amplifier |
-
1984
- 1984-01-20 JP JP667284U patent/JPS60119122U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015149593A (en) * | 2014-02-06 | 2015-08-20 | 株式会社東芝 | amplifier |
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