JPS617114U - sound oscillation circuit - Google Patents

sound oscillation circuit

Info

Publication number
JPS617114U
JPS617114U JP9024384U JP9024384U JPS617114U JP S617114 U JPS617114 U JP S617114U JP 9024384 U JP9024384 U JP 9024384U JP 9024384 U JP9024384 U JP 9024384U JP S617114 U JPS617114 U JP S617114U
Authority
JP
Japan
Prior art keywords
oscillation circuit
circuit
oscillation
sound oscillation
operational amplifier
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
JP9024384U
Other languages
Japanese (ja)
Inventor
寿雄 遠藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
New Japan Radio Co Ltd
Original Assignee
New Japan Radio Co Ltd
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 by New Japan Radio Co Ltd filed Critical New Japan Radio Co Ltd
Priority to JP9024384U priority Critical patent/JPS617114U/en
Publication of JPS617114U publication Critical patent/JPS617114U/en
Pending legal-status Critical Current

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  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (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

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

第１図は本考案のサウンド発振回路の回路図、第２図ａ
は第１図におけるＡ点の電圧波形図、ｂはＢ点における
電圧波形図である。 １・・・演算増幅器、２・・・（第一の）発振回路、３
・・・積分回路、４・・・演算増幅器、５・・・抵抗分
割回路、６・・・（第二の）発振回路、７・・・スピー
カ。Figure 1 is a circuit diagram of the sound oscillation circuit of the present invention, Figure 2a
is a voltage waveform diagram at point A in FIG. 1, and b is a voltage waveform diagram at point B in FIG. 1... operational amplifier, 2... (first) oscillation circuit, 3
... Integrating circuit, 4... Operational amplifier, 5... Resistance dividing circuit, 6... (Second) oscillation circuit, 7... Speaker.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 演算増幅器で構成した低周波発振用の第一の発振向路と
、別の演算増幅器で構成した高周波発振用の第二の発振
回路と、充電時間と放竃時間が異なり、上記第一の発振
回路の出力を積分して上記第二の発振回路に入力させ、
上記第二の発振回路１ の出力をＦＭ変調させるように
した積分回路とで成ることを特徴とするサウンド発振回
路。The first oscillation circuit for low-frequency oscillation, which is composed of an operational amplifier, and the second oscillation circuit, for high-frequency oscillation, which is composed of another operational amplifier, have different charging times and firing times, and the first oscillation circuit has different charging and firing times. Integrating the output of the circuit and inputting it to the second oscillation circuit,
A sound oscillation circuit comprising: an integrating circuit configured to perform FM modulation on the output of the second oscillation circuit 1.
JP9024384U 1984-06-19 1984-06-19 sound oscillation circuit Pending JPS617114U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9024384U JPS617114U (en) 1984-06-19 1984-06-19 sound oscillation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9024384U JPS617114U (en) 1984-06-19 1984-06-19 sound oscillation circuit

Publications (1)

Publication Number Publication Date
JPS617114U true JPS617114U (en) 1986-01-17

Family

ID=30645061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9024384U Pending JPS617114U (en) 1984-06-19 1984-06-19 sound oscillation circuit

Country Status (1)

Country Link
JP (1) JPS617114U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5353369U (en) * 1976-10-08 1978-05-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5353369U (en) * 1976-10-08 1978-05-08

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