JPS59144917U

JPS59144917U - Tone control circuit

Info

Publication number: JPS59144917U
Application number: JP3886483U
Authority: JP
Inventors: 聡原田
Original assignee: パイオニア株式会社
Priority date: 1983-03-17
Filing date: 1983-03-17
Publication date: 1984-09-27

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のトーンコントロール回路を示す回路図、
第２図はこの考案のトーンコントロール回路の一実施例
を示す回路図、第３図は第２図のトーンコントロール回
路の基本回路図、第４図は第３図の基本回路の周波数特
性図、第５図は第３図の基本回路の等価回路図である。１〜４．　７．　８・・・・・・抵抗、５，１２．１５
・・・・・・可変抵抗器、９，１０．１４・・・・・・
コンデンサ、１１・・・・・・トランジスタ、Ｔ工・・
・・・・入力端子、Ｔ２・・・・・・出力端子、Ｔ３．
　Ｔ、・・・・・・電源端子。 −り□ 第３図Figure 1 is a circuit diagram showing a conventional tone control circuit.
Fig. 2 is a circuit diagram showing an embodiment of the tone control circuit of this invention, Fig. 3 is a basic circuit diagram of the tone control circuit of Fig. 2, Fig. 4 is a frequency characteristic diagram of the basic circuit of Fig. 3, FIG. 5 is an equivalent circuit diagram of the basic circuit of FIG. 3. 1-4. 7. 8...Resistance, 5,12.15
・・・・・・Variable resistor, 9,10.14・・・・・・
Capacitor, 11... Transistor, T-work...
...Input terminal, T2...Output terminal, T3.
T,...Power terminal. -ri□ Figure 3

Claims

[Scope of utility model registration request]

A first capacitor and a first capacitor are connected between the first input terminal and the output terminal.
variable resistors are connected in series, one end of each of a second variable resistor and a second capacitor that operate in conjunction with the first variable resistor are connected to both ends of the first variable resistor, and 2
A tone controller comprising a variable resistor and a second capacitor whose other ends are connected to a second input terminal, and an input signal whose amplitude ratio can be varied is applied to the first and second input terminals.・−le circuit.