JPS6157620U - - Google Patents
Info
- Publication number
- JPS6157620U JPS6157620U JP13930084U JP13930084U JPS6157620U JP S6157620 U JPS6157620 U JP S6157620U JP 13930084 U JP13930084 U JP 13930084U JP 13930084 U JP13930084 U JP 13930084U JP S6157620 U JPS6157620 U JP S6157620U
- Authority
- JP
- Japan
- Prior art keywords
- input terminal
- signal
- phase input
- output
- reference voltage
- 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 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Amplifiers (AREA)
Description
図は、本考案の一実施例を示す回路図である。
主要部分の符号の説明、２…フエーダ回路、３
，４…差動アンプ、５…分圧回路、Ｓ１，Ｓ２…
切換スイツチ。
The figure is a circuit diagram showing an embodiment of the present invention. Explanation of symbols of main parts, 2...Fader circuit, 3
, 4... Differential amplifier, 5... Voltage divider circuit, S 1 , S 2 ...
Changeover switch.
Claims (1)
圧が逆相入力端子に供給される第１差動増幅手段
と、前記音響出力及び基準電圧のうち一方を指令
に応じて選択的に出力する第１信号選択手段と、
該第１信号選択手段の出力が正相入力端子に供給
される第２差動増幅手段と、前記第１信号選択手
段が前記音響出力を選択出力するとき前記基準電
圧を前記第２差動増幅手段の逆相入力端子に供給
し前記第１信号選択手段が前記基準電圧を選択出
力するき前記第１差動増幅手段の出力信号の一部
を前記第２差動増幅手段の逆相入力端子に供給す
る第２信号選択手段とを含むことを特徴とする音
響出力増幅装置。 a first differential amplification means for supplying an acoustic output to a positive phase input terminal and a reference voltage to a negative phase input terminal; and a first differential amplification means for selectively outputting one of the acoustic output and the reference voltage according to a command. 1 signal selection means;
a second differential amplification means in which the output of the first signal selection means is supplied to a positive phase input terminal; When the first signal selecting means selects and outputs the reference voltage, a part of the output signal of the first differential amplifying means is supplied to the negative phase input terminal of the second differential amplifying means. and a second signal selection means for supplying a second signal to an audio output amplifying device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13930084U JPS6157620U (en) | 1984-09-13 | 1984-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13930084U JPS6157620U (en) | 1984-09-13 | 1984-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6157620U true JPS6157620U (en) | 1986-04-18 |
Family
ID=30697678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13930084U Pending JPS6157620U (en) | 1984-09-13 | 1984-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6157620U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4837602B1 (en) * | 1972-07-04 | 1973-11-12 |
-
1984
- 1984-09-13 JP JP13930084U patent/JPS6157620U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4837602B1 (en) * | 1972-07-04 | 1973-11-12 |
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