JPS6437120U - - Google Patents
Info
- Publication number
- JPS6437120U JPS6437120U JP13138687U JP13138687U JPS6437120U JP S6437120 U JPS6437120 U JP S6437120U JP 13138687 U JP13138687 U JP 13138687U JP 13138687 U JP13138687 U JP 13138687U JP S6437120 U JPS6437120 U JP S6437120U
- Authority
- JP
- Japan
- Prior art keywords
- effect transistor
- field
- frequency band
- high frequency
- frequency amplifier
- 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
- 230000005669 field effect Effects 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Microwave Amplifiers (AREA)
- Amplifiers (AREA)
Description
第１図は本考案の一実施例の高周波増幅器の回
路図、第２図は従来の高周波増幅器の回路図、第
３図は従来及び本考案の各振幅周波数特性を示す
図である。
１，１１……電界効果トランジスタ、２，１２
……信号入力端子、３，１３……整合回路、４，
１４……信号出力端子、５，１５……整合回路、
６，１６……抵抗、７……コンデンサ。
FIG. 1 is a circuit diagram of a high frequency amplifier according to an embodiment of the present invention, FIG. 2 is a circuit diagram of a conventional high frequency amplifier, and FIG. 3 is a diagram showing amplitude frequency characteristics of the conventional and present invention. 1, 11...field effect transistor, 2, 12
... Signal input terminal, 3, 13 ... Matching circuit, 4,
14... Signal output terminal, 5, 15... Matching circuit,
6, 16...Resistor, 7...Capacitor.
Claims (1)
増幅器において、この電界効果トランジスタのゲ
ート側整合回路に抵抗とコンデンサの並列回路を
直列接続し、かつこれら抵抗とコンデンサの各値
は前記電界効果トランジスタの低周波帯域、高周
波帯域における不安定を改善し得る値に夫々調整
してなることを特徴とする高周波増幅器。 In a high-frequency amplifier using a field-effect transistor as an amplifying element, a parallel circuit of a resistor and a capacitor is connected in series to the matching circuit on the gate side of the field-effect transistor, and the values of these resistors and capacitors are set to correspond to the low frequency band of the field-effect transistor. , a high frequency amplifier, each of which is adjusted to a value that can improve instability in a high frequency band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13138687U JPS6437120U (en) | 1987-08-31 | 1987-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13138687U JPS6437120U (en) | 1987-08-31 | 1987-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6437120U true JPS6437120U (en) | 1989-03-06 |
Family
ID=31387403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13138687U Pending JPS6437120U (en) | 1987-08-31 | 1987-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6437120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0535999U (en) * | 1991-10-16 | 1993-05-18 | 株式会社本宏製作所 | Stepladder |
-
1987
- 1987-08-31 JP JP13138687U patent/JPS6437120U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0535999U (en) * | 1991-10-16 | 1993-05-18 | 株式会社本宏製作所 | Stepladder |
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