JPS6437122U - - Google Patents
Info
- Publication number
- JPS6437122U JPS6437122U JP13159987U JP13159987U JPS6437122U JP S6437122 U JPS6437122 U JP S6437122U JP 13159987 U JP13159987 U JP 13159987U JP 13159987 U JP13159987 U JP 13159987U JP S6437122 U JPS6437122 U JP S6437122U
- Authority
- JP
- Japan
- Prior art keywords
- stage
- elements
- output
- input side
- circuit
- 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
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000001629 suppression Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 description 1
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案による電力増巾回路の１例を示
したものであり、第２図は従来の電力増巾回路第
３図に改善を加えたものであるが、第１図は第２
図の電力増巾回路に更に改良を加えた本考案によ
るものである。
Ｔｒ１……トランジスタ、Ｔｒ２，Ｔｒ３……
電力用トランジスタ、Ｚ０……可変インピーダン
ス、Ｖｃ……可変容量、Ｔ１……出力トランス、
Ｔ２，Ｔ３……プツシユプル型出力トランス、Ｃ
１，Ｃ３，Ｃ７……直流阻止用容量、Ｌ１，Ｌ２
，Ｌ３，Ｌ４，Ｌ５，Ｌ６，Ｌ７，Ｌ８……イン
ダクタンス、Ｒ０，Ｒ１，Ｒ２，Ｒ３，Ｒ４，Ｒ
５，Ｒ６……抵抗、Ｃ０，Ｃ２，Ｃ４，Ｃ５，Ｃ
６……容量、ＡＮＴ……アンテナ、，，…
…入力回路、Ｄ１……ダイオード、Ｒ６，Ｃ６並
列回路……発振抑制自己バイアス回路、Ｃ０，Ｄ
１並列回路……温度補償用バイアス回路。
Fig. 1 shows an example of the power amplification circuit according to the present invention, and Fig. 2 shows an improvement on the conventional power amplification circuit Fig. 3;
This invention is based on the present invention, which is a further improvement to the power amplification circuit shown in the figure. Tr 1 ...transistor, Tr 2 , Tr 3 ...
Power transistor, Z0 ...variable impedance, Vc...variable capacitance, T1 ...output transformer,
T 2 , T 3 ...Push-pull type output transformer, C
1 , C 3 , C 7 ... DC blocking capacitance, L 1 , L 2
, L 3 , L 4 , L 5 , L 6 , L 7 , L 8 ... Inductance, R 0 , R 1 , R 2 , R 3 , R 4 , R
5 , R 6 ... resistance, C 0 , C 2 , C 4 , C 5 , C
6 ... Capacity, ANT... Antenna,,,...
...Input circuit, D1 ...Diode, R6 , C6 parallel circuit...Oscillation suppression self-bias circuit, C0 , D
1 parallel circuit... Bias circuit for temperature compensation.
Claims (1)
という）を用いて、少なくとも３段の増巾回路を
構成し、出力段の最終出力素子とその前段の素子
は共に同等の素子であり、且つ前段の素子は最終
段出力素子を駆動する如く接続され、最終段出力
素子とその前段の素子とは共にＢ級乃至Ｃ級にバ
イアスされ、且つこの２つの素子の出力部はプツ
シユプル回路に接続し更に出力トランスの１次乃
至２次側より前記前段素子の入力側、あるいは前
々段の入力側に正帰還が施されると共に、正帰還
量に応じて前記入力側のバイアス電圧を自己制御
する発振抑制回路を具備していることを特徴とす
る電力増巾回路。 Amplifying active elements such as transistors (hereinafter referred to as elements) are used to configure at least a three-stage amplifier circuit, and the final output element of the output stage and the element in the previous stage are both equivalent elements, and The elements are connected to drive the final stage output element, the final stage output element and the previous stage element are both biased to class B or class C, and the output parts of these two elements are connected to a push-pull circuit to further output Oscillation suppression in which positive feedback is applied from the primary or secondary side of the transformer to the input side of the preceding stage element or the input side of the two preceding stages, and the bias voltage on the input side is self-controlled according to the amount of positive feedback. A power amplification circuit characterized by comprising a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13159987U JPH0533060Y2 (en) | 1987-08-31 | 1987-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13159987U JPH0533060Y2 (en) | 1987-08-31 | 1987-08-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6437122U true JPS6437122U (en) | 1989-03-06 |
| JPH0533060Y2 JPH0533060Y2 (en) | 1993-08-24 |
Family
ID=31387820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13159987U Expired - Lifetime JPH0533060Y2 (en) | 1987-08-31 | 1987-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0533060Y2 (en) |
-
1987
- 1987-08-31 JP JP13159987U patent/JPH0533060Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0533060Y2 (en) | 1993-08-24 |
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