JPS5848143U - drive circuit - Google Patents
drive circuitInfo
- Publication number
- JPS5848143U JPS5848143U JP14265881U JP14265881U JPS5848143U JP S5848143 U JPS5848143 U JP S5848143U JP 14265881 U JP14265881 U JP 14265881U JP 14265881 U JP14265881 U JP 14265881U JP S5848143 U JPS5848143 U JP S5848143U
- Authority
- JP
- Japan
- Prior art keywords
- integrated circuit
- circuit
- drive circuit
- ttl integrated
- pnp transistor
- 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
Landscapes
- Electronic Switches (AREA)
- Logic Circuits (AREA)
- Bipolar Integrated Circuits (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は促来形の駆動回路を示す電気回路図、そして第
２図および第３図はそれぞれ本考案の実施例を示す電気
回路図である。
ｌ ：ＴＴＬ形集積回路、２ ：ＴＴＬ形集積回路の出
力端子、３．６：抵抗、４ ：ＮＰＮ形トランジスタ、
５：負荷回路、７：電源、８ ：ＰＮＰ形トランジスタ
、ｉ ｌ、−−−、Ｉｎ＝ＴＴＬ形集積回路。FIG. 1 is an electric circuit diagram showing a conventional drive circuit, and FIGS. 2 and 3 are electric circuit diagrams showing embodiments of the present invention. 1: TTL type integrated circuit, 2: TTL type integrated circuit output terminal, 3.6: Resistor, 4: NPN type transistor,
5: load circuit, 7: power supply, 8: PNP type transistor, i l, ---, In=TTL type integrated circuit.
Claims (1)
路とＰＮＰ形トランジ支夕とを具備し、該ＰＮＰ形トラ
ンジスタのベースを該ＴＴＬ形集積回路の出力端子に接
続し、該ＰＮＰ形トランジスタのエミッタと電源との間
に負荷回路を接続し、それにより該ＴＴＬ形集積回路自
体よりも大きな駆動電流を該負荷回路に流を該負荷回路
に流し得るようにしたことを特徴とする駆動回路。The base of the PNP transistor is connected to the output terminal of the TTL integrated circuit, and the emitter of the PNP transistor is connected to the power supply. A drive circuit, characterized in that a load circuit is connected between the TTL integrated circuit and the TTL integrated circuit, thereby allowing a drive current larger than that of the TTL integrated circuit itself to flow through the load circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14265881U JPS5848143U (en) | 1981-09-28 | 1981-09-28 | drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14265881U JPS5848143U (en) | 1981-09-28 | 1981-09-28 | drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5848143U true JPS5848143U (en) | 1983-03-31 |
Family
ID=29935684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14265881U Pending JPS5848143U (en) | 1981-09-28 | 1981-09-28 | drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5848143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02276695A (en) * | 1988-07-23 | 1990-11-13 | Hisashi Iwabuchi | Recording, color-representing and preserving methods for daily, monthly, yearly ordinal behaviors of human beings |
-
1981
- 1981-09-28 JP JP14265881U patent/JPS5848143U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02276695A (en) * | 1988-07-23 | 1990-11-13 | Hisashi Iwabuchi | Recording, color-representing and preserving methods for daily, monthly, yearly ordinal behaviors of human beings |
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