JPH0360874U - - Google Patents
Info
- Publication number
- JPH0360874U JPH0360874U JP11825189U JP11825189U JPH0360874U JP H0360874 U JPH0360874 U JP H0360874U JP 11825189 U JP11825189 U JP 11825189U JP 11825189 U JP11825189 U JP 11825189U JP H0360874 U JPH0360874 U JP H0360874U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- transistor
- converter
- series
- capacitor
- 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
- Electrotherapy Devices (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案のＤＣ−ＤＣコンバーターの一
実施例を示す回路図、第２図ａ，ｂ，ｃはこのＤ
Ｃ−ＤＣコンバーターを用いた低周波治療器の回
路図、第３図は従来のＤＣ−ＤＣコンバーターの
一例を示す回路図である。
Ｔｒ１１，Ｔｒ１２…トランジスター、Ｅ…直
流電源である電池、Ｌ１１，Ｌ１２…コイル、Ｒ
１６，Ｒ１７…第１の抵抗、ＭＣ…ＣＭＯＳマイ
クロコンピユーター、Ｃ１３，Ｃ１４…コンデン
サー、Ｒ１８，Ｒ１９…第２の抵抗。
Figure 1 is a circuit diagram showing an embodiment of the DC-DC converter of the present invention, and Figures 2a, b, and c are
A circuit diagram of a low frequency treatment device using a C-DC converter. FIG. 3 is a circuit diagram showing an example of a conventional DC-DC converter. Tr11, Tr12...Transistor, E...Battery as DC power supply, L11, L12...Coil, R
16, R17...first resistor, MC...CMOS microcomputer, C13, C14...capacitor, R18, R19...second resistor.
Claims (1)
直流電源間に直列に接続されたコイルと、前記ト
ランジスターのベースに第１の抵抗を介して接続
されたＣＭＯＳマイクロコンピユーターからなる
発振器とを備え、 前記第１の抵抗に、コンデンサ−および第２の
抵抗の直列回路を並列に接続したことを特徴とす
るＤＣ−ＤＣコンバーター。[Claims for Utility Model Registration] An oscillator comprising a transistor, a coil connected in series between the transistor and a DC power source, and a CMOS microcomputer connected to the base of the transistor via a first resistor. A DC-DC converter, characterized in that a series circuit of a capacitor and a second resistor is connected in parallel to the first resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11825189U JPH0360874U (en) | 1989-10-07 | 1989-10-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11825189U JPH0360874U (en) | 1989-10-07 | 1989-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0360874U true JPH0360874U (en) | 1991-06-14 |
Family
ID=31666429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11825189U Pending JPH0360874U (en) | 1989-10-07 | 1989-10-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0360874U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62141968A (en) * | 1985-12-13 | 1987-06-25 | Fujitsu Ltd | Chopper type dc/dc converter |
-
1989
- 1989-10-07 JP JP11825189U patent/JPH0360874U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62141968A (en) * | 1985-12-13 | 1987-06-25 | Fujitsu Ltd | Chopper type dc/dc converter |