JPS6381516U - - Google Patents
Info
- Publication number
- JPS6381516U JPS6381516U JP17574386U JP17574386U JPS6381516U JP S6381516 U JPS6381516 U JP S6381516U JP 17574386 U JP17574386 U JP 17574386U JP 17574386 U JP17574386 U JP 17574386U JP S6381516 U JPS6381516 U JP S6381516U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- mixing
- input
- socket
- resistor
- 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 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の一実施例に係るミキシング・
マイク増幅装置の回路図、第２図は前記実施例の
等価回路図、第３図は前記実施例の雑音特性図、
第４図は従来例の回路図である。
２……マイク・ソケツト、……可動端子、４
……増幅回路本体、Ｒ１……入力抵抗、ＶＲ……
ミキシング・マイクボリウム。
FIG. 1 shows a mixing system according to an embodiment of the present invention.
A circuit diagram of the microphone amplification device, FIG. 2 is an equivalent circuit diagram of the embodiment, and FIG. 3 is a noise characteristic diagram of the embodiment.
FIG. 4 is a circuit diagram of a conventional example. 2...Microphone socket...Movable terminal, 4
...Amplifier circuit body, R1...Input resistance, VR...
Mixing microphone volume.
Claims (1)
前記マイク・ソケツトの入力端子に接続される増
幅回路本体とを含むミキシング・マイク増幅装置
であつて、 前記増幅回路本体は、その入力側に前記マイク
・ソケツトの入力端子に接続する入力抵抗と、そ
の出力側にミキシング・マイクボリウムとを備え
、 前記ミキシング・マイクボリウムの出力側端子
と、前記マイク・ソケツトの可動端子との間に負
帰還抵抗を接続し、 かつ、前記負帰還抵抗と前記入力抵抗との合成
抵抗値を、前記ミキシング・マイクボリウムの最
大抵抗値よりも小さく設定したことを特徴とする
ミキシング・マイク増幅装置。[Scope of claim for utility model registration] A microphone socket for a mixing microphone,
A mixing microphone amplifying device including an amplifier circuit main body connected to an input terminal of the microphone socket, the amplifier circuit main body having an input resistor connected to the input terminal of the microphone socket on its input side; A mixing microphone volume is provided on the output side thereof, a negative feedback resistor is connected between the output side terminal of the mixing microphone volume and the movable terminal of the microphone socket, and the negative feedback resistor and the input A mixing microphone amplification device characterized in that a combined resistance value with a resistor is set smaller than a maximum resistance value of the mixing microphone volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17574386U JPS6381516U (en) | 1986-11-14 | 1986-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17574386U JPS6381516U (en) | 1986-11-14 | 1986-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6381516U true JPS6381516U (en) | 1988-05-28 |
Family
ID=31115343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17574386U Pending JPS6381516U (en) | 1986-11-14 | 1986-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6381516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010114827A (en) * | 2008-11-10 | 2010-05-20 | Yamaha Corp | Device for adding audio signal |
-
1986
- 1986-11-14 JP JP17574386U patent/JPS6381516U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010114827A (en) * | 2008-11-10 | 2010-05-20 | Yamaha Corp | Device for adding audio signal |
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