JPH01149120U - - Google Patents
Info
- Publication number
- JPH01149120U JPH01149120U JP4532188U JP4532188U JPH01149120U JP H01149120 U JPH01149120 U JP H01149120U JP 4532188 U JP4532188 U JP 4532188U JP 4532188 U JP4532188 U JP 4532188U JP H01149120 U JPH01149120 U JP H01149120U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- signal
- operational amplifier
- operational
- mixing 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Amplifiers (AREA)
Description
第１図はこの考案に係る信号混合回路の実施例
を示す回路図、第２図は従来の信号混合回路の回
路図、第３図は第２図に示す回路から緩衝増幅器
を削除した状態を示す回路図である。
主要部分の符号の説明、ｅ１：第１の信号、ｅ
２：第２の信号、１：第１の増幅器、２：第２の
増幅器、３：バツフア増幅器、５：バランスボリ
ウム、１１，１２：出力端子。
Figure 1 is a circuit diagram showing an embodiment of the signal mixing circuit according to this invention, Figure 2 is a circuit diagram of a conventional signal mixing circuit, and Figure 3 shows the circuit shown in Figure 2 with the buffer amplifier removed. FIG. Explanation of symbols of main parts, e 1 : first signal, e
2 : second signal, 1: first amplifier, 2: second amplifier, 3: buffer amplifier, 5: balance volume, 11, 12: output terminal.
Claims (1)
加え、前記第１の増幅器と第２の増幅器とに第２
の信号を加えると共に、第１の増幅器に加える第
２の信号レベルと第２の増幅器に加える第２の信
号レベルとをバランスボリウムで可変出来るよう
にした第１の信号と第２の信号との信号混合回路
において、 第１の信号を第１の増幅器である第１の演算増
幅器の反転入力に加えると共に、第２の増幅器で
ある第２の演算増幅器の反転入力に加え、更に、
第２の信号を第１の演算増幅器と第２の演算増幅
器との非反転入力に加えるように構成したことを
特徴とする信号混合回路。[Claims for Utility Model Registration] A first signal is applied to a first amplifier and a second amplifier, and a second signal is applied to the first amplifier and the second amplifier.
of the first signal and the second signal, and the second signal level applied to the first amplifier and the second signal level applied to the second amplifier can be varied with a balance volume. In the signal mixing circuit, a first signal is applied to an inverting input of a first operational amplifier, which is a first amplifier, and to an inverting input of a second operational amplifier, which is a second amplifier;
A signal mixing circuit characterized in that the second signal is configured to be applied to non-inverting inputs of a first operational amplifier and a second operational amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4532188U JPH01149120U (en) | 1988-04-05 | 1988-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4532188U JPH01149120U (en) | 1988-04-05 | 1988-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01149120U true JPH01149120U (en) | 1989-10-16 |
Family
ID=31271634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4532188U Pending JPH01149120U (en) | 1988-04-05 | 1988-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01149120U (en) |
-
1988
- 1988-04-05 JP JP4532188U patent/JPH01149120U/ja active Pending
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