JPS6365122U - - Google Patents
Info
- Publication number
- JPS6365122U JPS6365122U JP15931186U JP15931186U JPS6365122U JP S6365122 U JPS6365122 U JP S6365122U JP 15931186 U JP15931186 U JP 15931186U JP 15931186 U JP15931186 U JP 15931186U JP S6365122 U JPS6365122 U JP S6365122U
- Authority
- JP
- Japan
- Prior art keywords
- controlled electrode
- transistor
- circuit
- transistors
- power supply
- 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 4
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第1図は本考案駆動制御回路の一実施例を示す
構成図、第2図は第1図例の説明に供する線図、
第3図は本考案の他の実施例を示す構成図、第4
図は従来の駆動制御回路を示す構成図である。
12,13,17及び18は夫々駆動回路、1
4,15,23,24,48,49,50,51
,53,54,55及び56は夫々PnP形トラ
ンジスタ、19及び20は夫々npn形トランジ
スタ、27はFETである。
FIG. 1 is a configuration diagram showing an embodiment of the drive control circuit of the present invention, FIG. 2 is a diagram for explaining the example in FIG. 1,
Figure 3 is a configuration diagram showing another embodiment of the present invention;
The figure is a configuration diagram showing a conventional drive control circuit. 12, 13, 17 and 18 are drive circuits, respectively;
4, 15, 23, 24, 48, 49, 50, 51
, 53, 54, 55 and 56 are PnP transistors, 19 and 20 are NPN transistors, and 27 is an FET.
Claims (1)
及び第2のトランジスタの一方の被制御電極を夫
々直流電源の一端に接続し、上記第1及び第2の
トランジスタの他方の被制御電極を夫々第3及び
第4の駆動回路により駆動される第3及び第4の
トランジスタの一方の被制御電極に接続し、上記
第3及び第4のトランジスタの他方の被制御電極
を夫々上記直流電源の他端に接続し、上記第1の
トランジスタの他方の被制御電極及び上記第3の
トランジスタの一方の被制御電極の共通接続点と
上記第2のトランジスタの他方の被制御電極及び
上記第4のトランジスタの一方の被制御電極の共
通接続点との間に負荷を接続する様にした出力回
路を設けると共に、 上記第1及び第2のトランジスタと第1及び第
2のダイオードとで夫々カレントミラー回路を構
成し、 上記第1及び第2のダイオードに検出される電
流を可変インピーダンス素子により帰還電圧に変
換する様にしたことを特徴とする駆動制御回路。[Claims for Utility Model Registration] The first drive circuit driven by the first and second drive circuits
and one controlled electrode of the second transistor is connected to one end of a DC power supply, and the other controlled electrode of the first and second transistors is connected to a second controlled electrode driven by a third and fourth drive circuit, respectively. the other controlled electrode of the third and fourth transistors is connected to the other end of the DC power supply, and the other controlled electrode of the third and fourth transistor is connected to the other end of the DC power supply; between a common connection point of a controlled electrode and one controlled electrode of the third transistor and a common connection point of the other controlled electrode of the second transistor and one controlled electrode of the fourth transistor; An output circuit is provided in which a load is connected to the output circuit, and the first and second transistors and the first and second diodes constitute a current mirror circuit, respectively, and the first and second diodes detect the current mirror circuit. 1. A drive control circuit characterized in that a current generated by the input voltage is converted into a feedback voltage by a variable impedance element.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15931186U JPS6365122U (en) | 1986-10-17 | 1986-10-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15931186U JPS6365122U (en) | 1986-10-17 | 1986-10-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6365122U true JPS6365122U (en) | 1988-04-28 |
Family
ID=31083621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15931186U Pending JPS6365122U (en) | 1986-10-17 | 1986-10-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6365122U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS647329A (en) * | 1987-06-30 | 1989-01-11 | Mitsubishi Electric Corp | Recording medium driver |
JPH0319141A (en) * | 1989-06-15 | 1991-01-28 | Sanyo Electric Co Ltd | Driving voltage generation circuit |
-
1986
- 1986-10-17 JP JP15931186U patent/JPS6365122U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS647329A (en) * | 1987-06-30 | 1989-01-11 | Mitsubishi Electric Corp | Recording medium driver |
JPH0319141A (en) * | 1989-06-15 | 1991-01-28 | Sanyo Electric Co Ltd | Driving voltage generation circuit |