JPS58132412U - Input circuit for power booster - Google Patents
Input circuit for power boosterInfo
- Publication number
- JPS58132412U JPS58132412U JP2908482U JP2908482U JPS58132412U JP S58132412 U JPS58132412 U JP S58132412U JP 2908482 U JP2908482 U JP 2908482U JP 2908482 U JP2908482 U JP 2908482U JP S58132412 U JPS58132412 U JP S58132412U
- Authority
- JP
- Japan
- Prior art keywords
- power amplifier
- output
- input circuit
- pair
- attenuators
- 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
Landscapes
- Amplifiers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の入力回路を備えたパワーブースタを示す
回路図、第２図は本考案による入力回路の一実施例を示
す回路図、第３図及び第４図は本考案による入力回路を
備えたパワーブースタをレギュラーパワーアンプ及びＢ
ＴＬパワーアンプにそれぞれ適応した場合を示す回路図
である。
主要部分の符号の説明、２． ５． ６・・・・・・減
衰器、３・・・・・・大電力のパワーアンプ、４・・・
・・・スピーカ、７・・・・・・差動アンプ、９・・・
・・・レギュラーパワーアンプ、１０・・・・・・ＢＴ
Ｌパワーアンプ。FIG. 1 is a circuit diagram showing a power booster equipped with a conventional input circuit, FIG. 2 is a circuit diagram showing an embodiment of an input circuit according to the present invention, and FIGS. 3 and 4 are circuit diagrams showing an embodiment of an input circuit according to the present invention. Regular power amplifier and B
FIG. 3 is a circuit diagram showing a case in which each of them is applied to a TL power amplifier. Explanation of symbols of main parts, 2. 5. 6...Attenuator, 3...High power power amplifier, 4...
...Speaker, 7...Differential amplifier, 9...
...Regular power amplifier, 10...BT
L power amplifier.
Claims (3)
電力で負荷を駆動すべく第２のパワーアンプを備えたパ
ワーブースタにおいて、前記第１のパワーアンプの出力
を入力とする１対の減衰器と、前記１対の減衰器の各出
力を２人力としかつ出力を前記第２のパワーアンプの入
力とする差動アンプとを備えたことを特徴とする入力回
路。(1) In a power booster equipped with a second power amplifier to drive a load with even higher power based on the output of the first power amplifier, a pair of attenuators whose input is the output of the first power amplifier. and a differential amplifier that outputs each output of the pair of attenuators and inputs the output to the second power amplifier.
アンプであり、このレギュラーパワーアンプの出力端に
前記１対の減衰器の一方の入力端が接続され、他方の入
力端が接地されたことを特徴とする実用新案登録請求の
範囲第１項記載の入力回路。(2) The first power amplifier is a regular power amplifier, and one input terminal of the pair of attenuators is connected to the output terminal of the regular power amplifier, and the other input terminal is grounded. An input circuit according to claim 1 of the utility model registration claim.
フォーマレス（ＢＴＬ）パワーアンプであり、このバラ
ンスド・トランスフォーマレスパワーアンプの１対の出
力端に前記１対の減衰器の各入力端がそれぞれ接続され
たことを特徴とする実用新案登録請求の範囲第１項記載
の入力回路。(3) The first power amplifier is a balanced transformerless (BTL) power amplifier, and each input terminal of the pair of attenuators is connected to the pair of output terminals of the balanced transformerless power amplifier. The input circuit according to claim 1 of the utility model registration claim, characterized in that the input circuit is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2908482U JPS58132412U (en) | 1982-03-02 | 1982-03-02 | Input circuit for power booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2908482U JPS58132412U (en) | 1982-03-02 | 1982-03-02 | Input circuit for power booster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58132412U true JPS58132412U (en) | 1983-09-07 |
Family
ID=30040894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2908482U Pending JPS58132412U (en) | 1982-03-02 | 1982-03-02 | Input circuit for power booster |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58132412U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2012098754A1 (en) * | 2011-01-19 | 2014-06-09 | 三菱電機株式会社 | Output mode switching amplifier |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5350371U (en) * | 1976-10-04 | 1978-04-27 |
-
1982
- 1982-03-02 JP JP2908482U patent/JPS58132412U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5350371U (en) * | 1976-10-04 | 1978-04-27 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2012098754A1 (en) * | 2011-01-19 | 2014-06-09 | 三菱電機株式会社 | Output mode switching amplifier |
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