JPS6064621U - Electronic NFB type tone control circuit - Google Patents
Electronic NFB type tone control circuitInfo
- Publication number
- JPS6064621U JPS6064621U JP15499183U JP15499183U JPS6064621U JP S6064621 U JPS6064621 U JP S6064621U JP 15499183 U JP15499183 U JP 15499183U JP 15499183 U JP15499183 U JP 15499183U JP S6064621 U JPS6064621 U JP S6064621U
- Authority
- JP
- Japan
- Prior art keywords
- electronic
- control circuit
- tone control
- type tone
- group
- 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
- Tone Control, Compression And Expansion, Limiting Amplitude (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ＮＦＢ型トーンコントロール回路の基本構成を
示す回路図、第２図は第１図の回路の対低周波数におけ
る等側口路、第３図は第１図の回路の対高周波数におけ
る等側口路、第４図は第１図中の可寒抵抗部を電子制御
可能な構成とした従来例を示す回路図、第５図は本考案
の実施例を示す回路図、第６図は第５図の回路に・おけ
る低域ブーストのときの等側口路を示す回路図、及び第
７図は第５図の向路における低域カットのときの等側口
路を示す回路図である。 ・５
１．５２・・・直列抵抗群、５３，５４．５５−・・ア
ナログスイッチ。Figure 1 is a circuit diagram showing the basic configuration of an NFB type tone control circuit, Figure 2 is the isolateral route of the circuit in Figure 1 at low frequencies, and Figure 3 is the circuit in Figure 1 at high frequencies. 4 is a circuit diagram showing a conventional example in which the cold resistor section in FIG. 1 is configured to be electronically controllable; FIG. 5 is a circuit diagram showing an embodiment of the present invention; FIG. 6 is a circuit diagram showing the isolateral exit path when the low frequency boost is applied to the circuit shown in FIG. 5, and FIG. It is.・5
1.52...Series resistance group, 53,54.55-...Analog switch.
Claims (1)
とによって構成した電子式ＮＦＢ型トーンコントロール
回路であって、前記直列抵抗群の一端にある抵抗の値と
直列抵抗群の残りの抵抗の−抵抗値の総和とを等しくし
、かつ前記直列抵抗群・ の両端を入れ換えるべ
く選択的に作動される電子スイッチを備えることを特徴
とする電子式ＮＦＢ型トーンコントロール回路。This is an electronic NFB type tone control circuit in which a variable resistance portion is constructed by a group of resistors connected in series and an electronic switch, and the value of the resistor at one end of the group of series resistors is equal to the value of - of the remaining resistance of the group of series resistors. 1. An electronic NFB type tone control circuit, comprising an electronic switch that is selectively operated to equalize the sum of resistance values and to switch both ends of the series resistor group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15499183U JPS6064621U (en) | 1983-10-07 | 1983-10-07 | Electronic NFB type tone control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15499183U JPS6064621U (en) | 1983-10-07 | 1983-10-07 | Electronic NFB type tone control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6064621U true JPS6064621U (en) | 1985-05-08 |
Family
ID=30342434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15499183U Pending JPS6064621U (en) | 1983-10-07 | 1983-10-07 | Electronic NFB type tone control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6064621U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5017950A (en) * | 1973-06-19 | 1975-02-25 | ||
| JPS5636403A (en) * | 1980-08-16 | 1981-04-09 | Hokko Chem Ind Co Ltd | Herbicidal composition |
-
1983
- 1983-10-07 JP JP15499183U patent/JPS6064621U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5017950A (en) * | 1973-06-19 | 1975-02-25 | ||
| JPS5636403A (en) * | 1980-08-16 | 1981-04-09 | Hokko Chem Ind Co Ltd | Herbicidal composition |
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