JPS593611U - Pulse width modulation amplifier circuit - Google Patents
Pulse width modulation amplifier circuitInfo
- Publication number
- JPS593611U JPS593611U JP9793682U JP9793682U JPS593611U JP S593611 U JPS593611 U JP S593611U JP 9793682 U JP9793682 U JP 9793682U JP 9793682 U JP9793682 U JP 9793682U JP S593611 U JPS593611 U JP S593611U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- pulse width
- width modulation
- circuit
- output
- 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.)
- Granted
Links
Landscapes
- Amplifiers (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図は従来のパルス幅変調増幅回路の一例の構成を示
す回路図、第2図は同例の動作を説明するための波形図
、第3図は従来のパルス幅変調増幅回路の他の例の構成
を示す回路図、第4図は同例の動作を説明するための波
形図、第5図はこの考案の第1の実施例の構成を示す回
路図、第6図はこの考案の第2の実施例の構成を示す回
路図、第7図はこの考案の第3の実施例の構成を示す回
路図である。
3・・・・・・パルス幅変調回路、13・・・・・くラ
ー積分回路、18・・・・・・ヒステリシスコンパレー
タ、19・・・・・・抵抗、20・・・・・・発振部、
21・・・・・・トリガフリップフロップUKフリップ
フロップ)、23・・・・・・可変周波数発振回路。Fig. 1 is a circuit diagram showing the configuration of an example of a conventional pulse width modulation amplification circuit, Fig. 2 is a waveform diagram for explaining the operation of the same example, and Fig. 3 is a circuit diagram showing the configuration of an example of a conventional pulse width modulation amplification circuit. FIG. 4 is a waveform diagram to explain the operation of the example; FIG. 5 is a circuit diagram showing the configuration of the first embodiment of the invention; FIG. 6 is a circuit diagram of the invention. FIG. 7 is a circuit diagram showing the structure of the second embodiment, and FIG. 7 is a circuit diagram showing the structure of the third embodiment of this invention. 3...Pulse width modulation circuit, 13...Kuller integration circuit, 18...Hysteresis comparator, 19...Resistor, 20...Oscillation Department,
21...Trigger flip-flop UK flip-flop), 23...Variable frequency oscillation circuit.
Claims (1)
幅変調し、前記増幅すべき信号をパルス信号として増幅
するパルス幅変調増幅回路において、ミラー積分回路と
ヒステリシスコンパレータとを順に縦続接続しかつ前記
ヒステリシスコンパレータの出力を前記ミラー積分回路
へ帰還して構成した発振部と、前記ヒステリシスコンパ
レータの出力をトリガ信号として入力するトリガフリッ
プフロップとから構成される可変周波数発振回路を設け
、前記増幅すべき信号に比例した信号を前記ミラー積分
回路の入力篇号として供給する一方、前記トリガフリッ
プフロップの出力を前記キャリア信号として用いるよう
にしたことを特徴とするパルス幅変調増幅回路。In a pulse width modulation amplification circuit that pulse width modulates a carrier signal according to the amplitude of a signal to be amplified and amplifies the signal to be amplified as a pulse signal, a Miller integration circuit and a hysteresis comparator are sequentially connected in cascade, and the A variable frequency oscillation circuit is provided, which is composed of an oscillation section configured by feeding back the output of the hysteresis comparator to the Miller integration circuit, and a trigger flip-flop that inputs the output of the hysteresis comparator as a trigger signal, and A pulse width modulation amplification circuit characterized in that a signal proportional to is supplied as an input signal to the Miller integration circuit, and an output of the trigger flip-flop is used as the carrier signal.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9793682U JPS593611U (en) | 1982-06-29 | 1982-06-29 | Pulse width modulation amplifier circuit |
US06/473,777 US4524335A (en) | 1982-03-13 | 1983-03-10 | Pulse-width modulation circuit with carrier signal frequency control |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9793682U JPS593611U (en) | 1982-06-29 | 1982-06-29 | Pulse width modulation amplifier circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS593611U true JPS593611U (en) | 1984-01-11 |
JPH0336099Y2 JPH0336099Y2 (en) | 1991-07-31 |
Family
ID=30232744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9793682U Granted JPS593611U (en) | 1982-03-13 | 1982-06-29 | Pulse width modulation amplifier circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS593611U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6364406A (en) * | 1986-09-04 | 1988-03-22 | Tamura Seisakusho Co Ltd | Variable frequency chopping system insulating amplifier |
JPH03105029U (en) * | 1990-02-14 | 1991-10-31 | ||
JPH03111021U (en) * | 1990-02-28 | 1991-11-14 | ||
JP2011142697A (en) * | 2000-08-14 | 2011-07-21 | John W Ulrick | Digital class-d audio amplifier |
-
1982
- 1982-06-29 JP JP9793682U patent/JPS593611U/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6364406A (en) * | 1986-09-04 | 1988-03-22 | Tamura Seisakusho Co Ltd | Variable frequency chopping system insulating amplifier |
JPH03105029U (en) * | 1990-02-14 | 1991-10-31 | ||
JPH03111021U (en) * | 1990-02-28 | 1991-11-14 | ||
JP2011142697A (en) * | 2000-08-14 | 2011-07-21 | John W Ulrick | Digital class-d audio amplifier |
Also Published As
Publication number | Publication date |
---|---|
JPH0336099Y2 (en) | 1991-07-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS593611U (en) | Pulse width modulation amplifier circuit | |
JPS58144914U (en) | amplifier circuit | |
JPS593617U (en) | Amplitude limiting circuit | |
JPS5956824U (en) | direct amplifier | |
JPS6448920U (en) | ||
JPS60116719U (en) | Field effect transistor amplifier circuit | |
JPS58129712U (en) | amplifier circuit | |
JPS5917620U (en) | power booster circuit | |
JPS6040119U (en) | current amplification circuit | |
JPS60163817U (en) | differential amplifier | |
JPS60134319U (en) | Amplifier | |
JPS5882021U (en) | feedback amplifier circuit | |
JPS5840918U (en) | amplifier | |
JPS5984605U (en) | Acceleration/deceleration signal | |
JPS5826211U (en) | amplifier circuit | |
JPS6045515U (en) | BTL amplifier | |
JPS643319U (en) | ||
JPS5948112U (en) | amplifier | |
JPS5925824U (en) | nonlinear amplifier circuit | |
JPS59169109U (en) | oscillation device | |
JPS59174711U (en) | amplifier | |
JPS58121429U (en) | filter circuit | |
JPH02126417U (en) | ||
JPS5861522U (en) | amplifier circuit | |
JPS61146017U (en) |