JPS63172295U - - Google Patents
Info
- Publication number
- JPS63172295U JPS63172295U JP1987064924U JP6492487U JPS63172295U JP S63172295 U JPS63172295 U JP S63172295U JP 1987064924 U JP1987064924 U JP 1987064924U JP 6492487 U JP6492487 U JP 6492487U JP S63172295 U JPS63172295 U JP S63172295U
- Authority
- JP
- Japan
- Prior art keywords
- power transistor
- amplifier
- motor
- power
- supplies
- 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 2
Description
第１図は、本考案に係るモータ駆動回路の一実
施例を示す回路図、第２図は従来のモータ駆動回
路の例を示す回路図である。
Ｔ１乃至Ｔ４：パワートランジスタ、Ａ１，Ａ
２：増幅器、１：電源端子、２：接地端子、３：
制御電圧が印加される端子、４：モータ、５：正
逆回転切換回路。
FIG. 1 is a circuit diagram showing an embodiment of a motor drive circuit according to the present invention, and FIG. 2 is a circuit diagram showing an example of a conventional motor drive circuit. T 1 to T 4 : power transistor, A 1 , A
2 : Amplifier, 1: Power terminal, 2: Ground terminal, 3:
Terminal to which control voltage is applied, 4: Motor, 5: Forward/reverse rotation switching circuit.
Claims (1)
と第４のパワートランジスタの接続点と該第２と
第３のパワートランジスタの接続点との間に接続
されたモータと、該第１のパワートランジスタに
ベース電圧を供給する第１の増幅器と、該第３の
パワートランジスタにベース電圧を供給する第２
の増幅器と、該第１と第２の増幅器に該モータの
回転速度を制御する為の制御電圧を供給する電圧
源回路と、該第２のパワートランジスタと該第１
の増幅器及び該第４のパワートランジスタと該第
２の増幅器の何れかを作動させてモータの正方向
或いは逆方向に回転を切り換える切換回路とを具
えたことを特徴とするモータ駆動回路。 first to fourth power transistors;
a motor connected between a connection point of the fourth power transistor and a connection point of the second and third power transistors; a first amplifier that supplies a base voltage to the first power transistor; a second supplying a base voltage to the third power transistor;
an amplifier, a voltage source circuit that supplies a control voltage to the first and second amplifiers for controlling the rotational speed of the motor, the second power transistor, and the first power transistor.
A motor drive circuit comprising: an amplifier; and a switching circuit that operates either the fourth power transistor or the second amplifier to switch the rotation of the motor between the forward direction and the reverse direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987064924U JPS63172295U (en) | 1987-04-28 | 1987-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987064924U JPS63172295U (en) | 1987-04-28 | 1987-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63172295U true JPS63172295U (en) | 1988-11-09 |
Family
ID=30901528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987064924U Pending JPS63172295U (en) | 1987-04-28 | 1987-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63172295U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6277078A (en) * | 1985-09-28 | 1987-04-09 | Fuji Photo Film Co Ltd | Bidirectional dc motor drive circuit with speed servo |
-
1987
- 1987-04-28 JP JP1987064924U patent/JPS63172295U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6277078A (en) * | 1985-09-28 | 1987-04-09 | Fuji Photo Film Co Ltd | Bidirectional dc motor drive circuit with speed servo |
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