JPH0172717U - - Google Patents
Info
- Publication number
- JPH0172717U JPH0172717U JP1987166630U JP16663087U JPH0172717U JP H0172717 U JPH0172717 U JP H0172717U JP 1987166630 U JP1987166630 U JP 1987166630U JP 16663087 U JP16663087 U JP 16663087U JP H0172717 U JPH0172717 U JP H0172717U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- phase
- phase amplifier
- positive
- negative
- 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 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案に係るオーデオ・アンプの実施
例を示す回路図、第２図は上記実施例の正相アン
プ、逆相アンプに用いる各抵抗Ｒの値を示す説明
図、第３図は同実施例によつて得られる歪み率の
例を示す特性図、第４図は出力に対する歪み率を
示す特性図、第５図は本考案の元となつたオーデ
オ・アンプの構成を示す回路図、第６図は従来の
オーデオ・アンプを示す回路図である。
２……信号源、４……正相アンプ、８……逆相
アンプ、１０……負荷。
Fig. 1 is a circuit diagram showing an embodiment of the audio amplifier according to the present invention, Fig. 2 is an explanatory diagram showing the values of each resistor R used in the positive phase amplifier and negative phase amplifier of the above embodiment, and Fig. 3 is a circuit diagram showing an embodiment of the audio amplifier according to the present invention. A characteristic diagram showing an example of the distortion rate obtained by the same embodiment, FIG. 4 is a characteristic diagram showing the distortion rate with respect to the output, and FIG. 5 is a circuit diagram showing the configuration of the audio amplifier that is the basis of the present invention. , FIG. 6 is a circuit diagram showing a conventional audio amplifier. 2... Signal source, 4... Positive phase amplifier, 8... Negative phase amplifier, 10... Load.
Claims (1)
ンプとは逆相の音響信号を増幅する逆相アンプと
を有し、かつ正相アンプの出力端と逆相アンプの
出力端との間に負荷を接続してなるＢＴＬ接続の
オーデオ・アンプにおいて、前記正相アンプから
の出力信号を前記逆相アンプの反転入力端に供給
可能に接続し、かつ前記逆相アンプの増幅度を前
記正相アンプの増幅度より大きく設定したことを
特徴とするオーデオ・アンプ。 It has a positive-phase amplifier that amplifies an acoustic signal, and a negative-phase amplifier that amplifies an acoustic signal that has a phase opposite to the positive-phase amplifier, and a circuit between the output terminal of the positive-phase amplifier and the output terminal of the negative-phase amplifier. In a BTL-connected audio amplifier in which a load is connected, an output signal from the positive-phase amplifier is connected so as to be supplied to an inverting input terminal of the negative-phase amplifier, and the amplification degree of the negative-phase amplifier is set to the positive-phase amplifier. An audio amplifier characterized by having a degree of amplification set higher than that of the amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987166630U JPH0172717U (en) | 1987-10-30 | 1987-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987166630U JPH0172717U (en) | 1987-10-30 | 1987-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0172717U true JPH0172717U (en) | 1989-05-16 |
Family
ID=31454186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987166630U Pending JPH0172717U (en) | 1987-10-30 | 1987-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0172717U (en) |
-
1987
- 1987-10-30 JP JP1987166630U patent/JPH0172717U/ja active Pending
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