JPH0438136U - - Google Patents
Info
- Publication number
- JPH0438136U JPH0438136U JP7970090U JP7970090U JPH0438136U JP H0438136 U JPH0438136 U JP H0438136U JP 7970090 U JP7970090 U JP 7970090U JP 7970090 U JP7970090 U JP 7970090U JP H0438136 U JPH0438136 U JP H0438136U
- Authority
- JP
- Japan
- Prior art keywords
- transistors
- value
- ground line
- collectors
- turns
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
Landscapes
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Description
第１図は本考案による発振回路の一実施例を示
す回路図、第２図は従来の発振回路の一例を示す
回路図である。
１１……電源ライン、１２……トランジスター
、１３……マルチコレクター型トランジスター、
１４……トランジスター、１５……アースライン
、１６……トランジスター、１７……トランジス
ター、１８……コンデンサー、１９……スイツチ
ング回路。
FIG. 1 is a circuit diagram showing an embodiment of an oscillation circuit according to the present invention, and FIG. 2 is a circuit diagram showing an example of a conventional oscillation circuit. 11...Power line, 12...Transistor, 13...Multi-collector type transistor,
14...Transistor, 15...Earth line, 16...Transistor, 17...Transistor, 18...Capacitor, 19...Switching circuit.
Claims (1)
インに接続され、第１及び第２のコレクターを有
するマルチコレクター型トランジスターと、前記
アースラインに接続され、さらに前記第１及び前
記第２のコレクターにそれぞれ接続された第１及
び第２のトランジスターと、前記第２のコレクタ
ーに接続されるとともに前記アースラインに接続
されたコンデンサーと、該コンデンサーの充電量
が予め設定された第１の値になると前記第１及び
前記第２のトランジスターをオンし、前記第１の
値よりも小さい第２の値になると前記第１及び前
記第２のトランジスターをオフするスイツチング
回路とを有することを特徴とする発振回路。 a multi-collector transistor having a power supply line and a ground line, connected to the power supply line, and having first and second collectors; and a multi-collector transistor connected to the ground line and further connected to the first and second collectors, respectively. first and second transistors connected to each other; a capacitor connected to the second collector and the ground line; and when the amount of charge of the capacitor reaches a preset first value, and a switching circuit that turns on the first and second transistors and turns off the first and second transistors when a second value smaller than the first value is reached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990079700U JP2543725Y2 (en) | 1990-07-30 | 1990-07-30 | Oscillation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990079700U JP2543725Y2 (en) | 1990-07-30 | 1990-07-30 | Oscillation circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0438136U true JPH0438136U (en) | 1992-03-31 |
| JP2543725Y2 JP2543725Y2 (en) | 1997-08-13 |
Family
ID=31624095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990079700U Expired - Fee Related JP2543725Y2 (en) | 1990-07-30 | 1990-07-30 | Oscillation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2543725Y2 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5474661A (en) * | 1977-11-28 | 1979-06-14 | Nec Corp | Waveform generation circuit |
| JPS5550733A (en) * | 1978-10-06 | 1980-04-12 | Matsushita Electric Ind Co Ltd | Saw tooth wave generation circuit |
| JPS62155602A (en) * | 1985-12-27 | 1987-07-10 | Matsushita Electric Ind Co Ltd | Current mirror circuit |
| JPS62193404A (en) * | 1986-02-20 | 1987-08-25 | Nec Corp | Current mirror circuit |
| JPS62254512A (en) * | 1986-04-28 | 1987-11-06 | Canon Inc | Signal wave ooscillation circuit |
| JPS63145514A (en) * | 1986-12-08 | 1988-06-17 | Toshiba Corp | Stabilizing circuit for base current of transistor |
| JPS6432517A (en) * | 1987-07-27 | 1989-02-02 | Nippon Electric Ic Microcomput | Time constant circuit |
-
1990
- 1990-07-30 JP JP1990079700U patent/JP2543725Y2/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5474661A (en) * | 1977-11-28 | 1979-06-14 | Nec Corp | Waveform generation circuit |
| JPS5550733A (en) * | 1978-10-06 | 1980-04-12 | Matsushita Electric Ind Co Ltd | Saw tooth wave generation circuit |
| JPS62155602A (en) * | 1985-12-27 | 1987-07-10 | Matsushita Electric Ind Co Ltd | Current mirror circuit |
| JPS62193404A (en) * | 1986-02-20 | 1987-08-25 | Nec Corp | Current mirror circuit |
| JPS62254512A (en) * | 1986-04-28 | 1987-11-06 | Canon Inc | Signal wave ooscillation circuit |
| JPS63145514A (en) * | 1986-12-08 | 1988-06-17 | Toshiba Corp | Stabilizing circuit for base current of transistor |
| JPS6432517A (en) * | 1987-07-27 | 1989-02-02 | Nippon Electric Ic Microcomput | Time constant circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2543725Y2 (en) | 1997-08-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |