JPH02141116U - - Google Patents
Info
- Publication number
- JPH02141116U JPH02141116U JP4997089U JP4997089U JPH02141116U JP H02141116 U JPH02141116 U JP H02141116U JP 4997089 U JP4997089 U JP 4997089U JP 4997089 U JP4997089 U JP 4997089U JP H02141116 U JPH02141116 U JP H02141116U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- impedance matching
- input signal
- amplifier 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.)
- Pending
Links
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Amplifiers (AREA)
Description
第１図は、本考案の増幅回路の第１の実施例を
示す回路図、第２図は、同第２の実施例を示す回
路図、第３図は、従来のＡ級の増幅回路の一例を
示す図、第４図は、第３図に示した回路による信
号増幅動作を示す図である。
１０，１６，１８……トランス、１１Ａ，１１
Ｂ……トランジスタ、１２，１４……抵抗器、１
３……電源、１５……出力回路、１７……チヨー
クコイル。
FIG. 1 is a circuit diagram showing a first embodiment of the amplifier circuit of the present invention, FIG. 2 is a circuit diagram showing the second embodiment, and FIG. 3 is a circuit diagram of a conventional class A amplifier circuit. FIG. 4, which is a diagram showing an example, is a diagram showing a signal amplification operation by the circuit shown in FIG. 3. 10, 16, 18...transformer, 11A, 11
B...Transistor, 12, 14...Resistor, 1
3...power supply, 15...output circuit, 17...chiyoke coil.
Claims (1)
増幅回路において、 前記入力信号を増幅する増幅手段の出力段に、
当該増幅手段によつて増幅された出力信号に含ま
れる直流分を除去する直流分除去回路を接続し、
当該直流分除去回路の後段に、出力回路とのイン
ピダンス整合を行なうインピーダンス整合手段を
接続したことを特徴とする増幅回路。[Claims for Utility Model Registration] In an amplifier circuit that amplifies an input signal using a DC bias, an output stage of an amplification means for amplifying the input signal,
Connecting a DC component removal circuit that removes a DC component included in the output signal amplified by the amplification means,
An amplifier circuit characterized in that an impedance matching means for performing impedance matching with an output circuit is connected to a subsequent stage of the DC component removal circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4997089U JPH02141116U (en) | 1989-04-27 | 1989-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4997089U JPH02141116U (en) | 1989-04-27 | 1989-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02141116U true JPH02141116U (en) | 1990-11-27 |
Family
ID=31568113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4997089U Pending JPH02141116U (en) | 1989-04-27 | 1989-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02141116U (en) |
-
1989
- 1989-04-27 JP JP4997089U patent/JPH02141116U/ja active Pending
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