JPS58132419U - amplifier - Google Patents
amplifierInfo
- Publication number
- JPS58132419U JPS58132419U JP2969382U JP2969382U JPS58132419U JP S58132419 U JPS58132419 U JP S58132419U JP 2969382 U JP2969382 U JP 2969382U JP 2969382 U JP2969382 U JP 2969382U JP S58132419 U JPS58132419 U JP S58132419U
- Authority
- JP
- Japan
- Prior art keywords
- input
- amplifier
- low
- adjustment input
- frequency
- 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
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図は従来の増幅器の一例を示すブロック図１、第２
図は本考案の一実施例を示すブロック図、第３図は上記
実施例の動作を示すグラフである。
２・・・・・・増幅回路、２ａ・・・・・・音量調整入
力、２ｃ・・・・・・高域調整入力、２ｄ・・・・・・
低域調整入力、４，５゜６・・・・・・可変抵抗、８・
・・・・・差動増幅器、９・・曲ラウドネススイッチ。Figure 1 is a block diagram 1 and 2 showing an example of a conventional amplifier.
The figure is a block diagram showing one embodiment of the present invention, and FIG. 3 is a graph showing the operation of the above embodiment. 2...Amplification circuit, 2a...Volume adjustment input, 2c...High frequency adjustment input, 2d...
Low frequency adjustment input, 4,5°6...Variable resistor, 8.
... Differential amplifier, 9... Song loudness switch.
Claims (1)
与えられる直流電圧に応じて出力信号レベル、高域特性
、低域特性をそれぞれル制御される増幅回路と、一方の
入力へ上記音量調整入力の直流電圧を与えられ他方の入
力に基準電圧を与えられる差動増幅器と、この差動増幅
器の出力と上記高域調整入力および低域調整入力との間
に介挿したラウドネススイッチとを具備する増幅器。An amplifier circuit that controls the output signal level, high-frequency characteristics, and low-frequency characteristics according to the DC voltage applied to the volume adjustment input, high-frequency adjustment input, and low-frequency adjustment input, respectively, and the above-mentioned volume adjustment to one input. It is equipped with a differential amplifier to which an input DC voltage is applied and a reference voltage is applied to the other input, and a loudness switch inserted between the output of this differential amplifier and the above-mentioned high-frequency adjustment input and low-frequency adjustment input. amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2969382U JPS58132419U (en) | 1982-03-03 | 1982-03-03 | amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2969382U JPS58132419U (en) | 1982-03-03 | 1982-03-03 | amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58132419U true JPS58132419U (en) | 1983-09-07 |
Family
ID=30041470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2969382U Pending JPS58132419U (en) | 1982-03-03 | 1982-03-03 | amplifier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58132419U (en) |
-
1982
- 1982-03-03 JP JP2969382U patent/JPS58132419U/en active Pending
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