JPS6415429U - - Google Patents
Info
- Publication number
- JPS6415429U JPS6415429U JP10966087U JP10966087U JPS6415429U JP S6415429 U JPS6415429 U JP S6415429U JP 10966087 U JP10966087 U JP 10966087U JP 10966087 U JP10966087 U JP 10966087U JP S6415429 U JPS6415429 U JP S6415429U
- Authority
- JP
- Japan
- Prior art keywords
- dead zone
- output
- modulated signal
- signal
- created
- 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
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は上記実施例に於ける信号波形図、第３図は電
子スイツチ切替時の不感帯をもつパルス幅変調信
号を必要とする回路を説明するための回路ブロツ
ク図、第４図は不感帯をもつパルス幅変調信号を
得る従来の回路構成を示す回路ブロツク図である
。
３……オペアンプ、５……不感帯素子、６……
電圧増幅器、Ｒ１〜Ｒ４……抵抗、ｌ１……三角
波信号、ｌ２……被変調信号、ｌ３……合成信号
、ｌ４……不感帯素子を通過した信号、ｌ５……
パルス幅変調出力。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is a signal waveform diagram in the above embodiment, Figure 3 is a circuit block diagram for explaining a circuit that requires a pulse width modulation signal with a dead zone when switching an electronic switch, and Figure 4 is a pulse width modulation signal with a dead zone. 1 is a circuit block diagram showing a conventional circuit configuration for obtaining a width modulated signal; FIG. 3... operational amplifier, 5... dead band element, 6...
Voltage amplifier, R1 to R4...Resistor, l1...Triangular wave signal, l2...Modulated signal, l3...Synthesized signal, l4...Signal passed through dead band element, l5...
Pulse width modulation output.
Claims (1)
非線形素子に加えて、零電位付近で正、負に不感
帯を生じさせ、その出力を電圧比較器に加えるこ
とにより、切替わり点で不感帯を持つ変調信号を
得ることを特徴とするパルス幅変調回路。 By adding the triangular wave signal and the non-modulated signal, and adding the output to a nonlinear element, a positive and negative dead zone is created near zero potential, and by adding that output to a voltage comparator, a dead zone is created at the switching point. A pulse width modulation circuit characterized by obtaining a modulated signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10966087U JPS6415429U (en) | 1987-07-17 | 1987-07-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10966087U JPS6415429U (en) | 1987-07-17 | 1987-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6415429U true JPS6415429U (en) | 1989-01-26 |
Family
ID=31346107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10966087U Pending JPS6415429U (en) | 1987-07-17 | 1987-07-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6415429U (en) |
-
1987
- 1987-07-17 JP JP10966087U patent/JPS6415429U/ja active Pending
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