JPH0369918U - - Google Patents

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Publication number
JPH0369918U
JPH0369918U JP12715489U JP12715489U JPH0369918U JP H0369918 U JPH0369918 U JP H0369918U JP 12715489 U JP12715489 U JP 12715489U JP 12715489 U JP12715489 U JP 12715489U JP H0369918 U JPH0369918 U JP H0369918U
Authority
JP
Japan
Prior art keywords
low
output signal
pass filter
level
input
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
Application number
JP12715489U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP12715489U priority Critical patent/JPH0369918U/ja
Publication of JPH0369918U publication Critical patent/JPH0369918U/ja
Pending legal-status Critical Current

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  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案による低域増幅回路の原理を
説明するためのブロツク図、第２図はこの考案の
一実施例を示すブロツク図、である。 ＭＩＸ……混合回路、ＬＣ……レベル制御回路
、ＬＰＦ……低域通過フイルタ。 FIG. 1 is a block diagram for explaining the principle of a low-frequency amplifier circuit according to this invention, and FIG. 2 is a block diagram showing an embodiment of this invention. MIX...Mixing circuit, LC...Level control circuit, LPF...Low pass filter.

Claims (1)

【実用新案登録請求の範囲】 入力信号の低域成分を抽出する低域通過フイル
タと、 上記入力信号および上記低域通過フイルタの出
力信号を混合する混合回路と、 上記混合回路の出力信号レベルを検知し上記低
域通過フイルタに入力する上記入力信号を制御す
るレベル制御回路とからなり、 上記出力信号レベルが特定レベル以下のときは
上記入力信号と上記低域通過フイルタからの出力
信号とを上記混合回路で混合して低域成分の増強
された出力信号として出力し、上記出力信号レベ
ルが特定レベル以上のときは上記低域通過フイル
タに入力する上記入力信号を遮断して低域成分の
増強されない出力信号として出力することを特徴
とする低域増幅回路。[Claims for Utility Model Registration] A low-pass filter that extracts low-frequency components of an input signal; A mixing circuit that mixes the input signal and the output signal of the low-pass filter; and a mixing circuit that mixes the output signal level of the mixing circuit. a level control circuit that detects and controls the input signal input to the low-pass filter, and when the output signal level is below a certain level, the input signal and the output signal from the low-pass filter are The mixture is mixed in a mixing circuit and output as an output signal with enhanced low frequency components, and when the output signal level is above a specific level, the input signal input to the low pass filter is cut off and the low frequency components are enhanced. A low-frequency amplifier circuit characterized in that it outputs an output signal that is not transmitted.
JP12715489U 1989-11-01 1989-11-01 Pending JPH0369918U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12715489U JPH0369918U (en) 1989-11-01 1989-11-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12715489U JPH0369918U (en) 1989-11-01 1989-11-01

Publications (1)

Publication Number Publication Date
JPH0369918U true JPH0369918U (en) 1991-07-12

Family

ID=31674928

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12715489U Pending JPH0369918U (en) 1989-11-01 1989-11-01

Country Status (1)

Country Link
JP (1) JPH0369918U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62194323A (en) * 1986-02-20 1987-08-26 Ohbayashigumi Ltd Slime discharging for mud-water excavation work
JPS6489708A (en) * 1987-09-30 1989-04-04 Toshiba Corp Low boosting circuit
JPH01293004A (en) * 1988-05-20 1989-11-27 Matsushita Electric Ind Co Ltd Reproducing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62194323A (en) * 1986-02-20 1987-08-26 Ohbayashigumi Ltd Slime discharging for mud-water excavation work
JPS6489708A (en) * 1987-09-30 1989-04-04 Toshiba Corp Low boosting circuit
JPH01293004A (en) * 1988-05-20 1989-11-27 Matsushita Electric Ind Co Ltd Reproducing device

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