JPS61139010U - - Google Patents
Info
- Publication number
- JPS61139010U JPS61139010U JP2193685U JP2193685U JPS61139010U JP S61139010 U JPS61139010 U JP S61139010U JP 2193685 U JP2193685 U JP 2193685U JP 2193685 U JP2193685 U JP 2193685U JP S61139010 U JPS61139010 U JP S61139010U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- ground
- ground line
- point
- power 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
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Amplifiers (AREA)
Description
図は本考案におけるアンプのアース回路の一実
施例を示す回路構成図である。
１１…電源回路、２１…電圧増幅回路、３１…
電力増幅回路、４１…コンデンサ。
The figure is a circuit configuration diagram showing an embodiment of an amplifier grounding circuit according to the present invention. 11...Power supply circuit, 21...Voltage amplification circuit, 31...
Power amplifier circuit, 41...capacitor.
Claims (1)
る第１のアースラインと電力増幅回路間に接続さ
れる第２のアースラインを有し、これら第１およ
び第２のアースラインに前記電圧増幅回路と電力
増幅回路間に接続される第３のアースラインを加
えてアースループを形成するアンプのアース回路
において、前記第３のアースライン上に少なくと
も直流的に高インピーダンスとなる分離点を設け
、この分離点を境に前記電力増幅回路の入力バイ
アスおよび負帰還回路のアース点を前記第１のア
ースラインに接続すると共に、前記電力増幅回路
の他のアース点を前記第２のアースラインに接続
したことを特徴とするアンプのアース回路。 A single power supply circuit has a first ground line connected between the voltage amplification circuits and a second ground line connected between the power amplification circuits, and the voltage amplification circuit is connected to these first and second ground lines. In an amplifier grounding circuit which forms a ground loop by adding a third ground line connected between the circuit and the power amplifier circuit, a separation point having high impedance at least in terms of direct current is provided on the third ground line, With this separation point as a boundary, the input bias of the power amplifier circuit and the ground point of the negative feedback circuit are connected to the first ground line, and the other ground point of the power amplifier circuit is connected to the second ground line. An amplifier ground circuit characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2193685U JPS61139010U (en) | 1985-02-20 | 1985-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2193685U JPS61139010U (en) | 1985-02-20 | 1985-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61139010U true JPS61139010U (en) | 1986-08-28 |
Family
ID=30513776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2193685U Pending JPS61139010U (en) | 1985-02-20 | 1985-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61139010U (en) |
-
1985
- 1985-02-20 JP JP2193685U patent/JPS61139010U/ja active Pending
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