JPH01129920U - - Google Patents
Info
- Publication number
- JPH01129920U JPH01129920U JP2407288U JP2407288U JPH01129920U JP H01129920 U JPH01129920 U JP H01129920U JP 2407288 U JP2407288 U JP 2407288U JP 2407288 U JP2407288 U JP 2407288U JP H01129920 U JPH01129920 U JP H01129920U
- Authority
- JP
- Japan
- Prior art keywords
- memory
- rectangular
- computer
- oscillation circuit
- duty
- 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
- 230000010355 oscillation Effects 0.000 claims 3
- 238000004590 computer program Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第1図から第3図はこの考案の一実施例を示す
図、第4図及び第5図は従来の例を示す図である
。
1は基準クロツク回路、2は計算機、3はメモ
リ、4a,4b,4cはアドレスバス、5はライ
ト信号、6はデータバス、7はアドレスカウンタ
、9はセレクタ、10は同期回路、D1〜Dmは
周波数データ、f1〜fmは動作周波数である。
なお、図中、同一符号は同一又は相当部分を示す
。
1 to 3 are diagrams showing an embodiment of this invention, and FIGS. 4 and 5 are diagrams showing a conventional example. 1 is a reference clock circuit, 2 is a computer, 3 is a memory, 4a, 4b, 4c are address buses, 5 is a write signal, 6 is a data bus, 7 is an address counter, 9 is a selector, 10 is a synchronization circuit, D 1 - Dm is frequency data, and f 1 to fm are operating frequencies.
In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
矩形波形を格納するメモリ、このメモリの矩形波
形の周期及びデユーテイをプログラム的に記憶さ
せる計算機、計算機によつてメモリに記憶された
矩形波データを順次に出力していくアドレスカウ
ンタ、アドレスカウンタによつてメモリから出力
される矩形波データを同期化する同期回路によつ
て構成され、複数の連続する矩形波形の周期及び
デユーテイを計算機のプログラムによつて任意に
変化させることを特徴とする発振回路。 In an oscillation circuit that generates a rectangular waveform, there is a memory that stores a plurality of rectangular waveforms, a computer that stores the period and duty of the rectangular waveform in this memory in a program, and a computer that sequentially processes the rectangular wave data stored in the memory by the computer. It consists of an address counter that outputs data, and a synchronization circuit that synchronizes the rectangular wave data output from the memory by the address counter, and the period and duty of multiple consecutive rectangular waveforms can be arbitrarily set by a computer program. An oscillation circuit characterized by changing the oscillation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2407288U JPH01129920U (en) | 1988-02-25 | 1988-02-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2407288U JPH01129920U (en) | 1988-02-25 | 1988-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01129920U true JPH01129920U (en) | 1989-09-05 |
Family
ID=31243605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2407288U Pending JPH01129920U (en) | 1988-02-25 | 1988-02-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01129920U (en) |
-
1988
- 1988-02-25 JP JP2407288U patent/JPH01129920U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH01129920U (en) | ||
| JPH0345297U (en) | ||
| JPH01155546U (en) | ||
| JPS6045512U (en) | Sine wave signal generation circuit | |
| JPS619946U (en) | Tone oscillation circuit | |
| JPS6014513U (en) | Sine wave generation circuit | |
| JPS59147196U (en) | Envelope control circuit in electronic musical instruments | |
| JPS6114534U (en) | timer circuit | |
| JPH0214151U (en) | ||
| JPS6427722U (en) | ||
| JPS62183469U (en) | ||
| JPS59136692U (en) | electronic musical instruments | |
| JPS6157632U (en) | ||
| JPS611926U (en) | Pulse duty shaping circuit | |
| JPS6034797U (en) | Variable 2-phase AC generator circuit | |
| JPS59147195U (en) | Envelope control circuit in electronic musical instruments | |
| JPS6085441U (en) | Phase inversion clock generation circuit | |
| JPS60180141U (en) | A/D conversion device | |
| JPS61160556U (en) | ||
| JPS5986742U (en) | Programmable timing generation circuit | |
| JPS60131893U (en) | Synchronous clock device | |
| JPS60139342U (en) | odd number divider circuit | |
| JPS60116549U (en) | Main/slave computer synchronization device | |
| JPS6262334U (en) | ||
| JPH0447768U (en) |