JPH045726U - - Google Patents
Info
- Publication number
- JPH045726U JPH045726U JP4730390U JP4730390U JPH045726U JP H045726 U JPH045726 U JP H045726U JP 4730390 U JP4730390 U JP 4730390U JP 4730390 U JP4730390 U JP 4730390U JP H045726 U JPH045726 U JP H045726U
- Authority
- JP
- Japan
- Prior art keywords
- ramp wave
- addition means
- signal
- wave signal
- counter
- 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 2
Landscapes
- Analogue/Digital Conversion (AREA)
Description
第1図はこの考案の一実施例のブロツク図、第
2図は従来のランプ波発生装置のブロツク図であ
る。
1……加算手段、8……アツプ/ダウンカウン
タ、11……D/Aコンバータ。
FIG. 1 is a block diagram of an embodiment of this invention, and FIG. 2 is a block diagram of a conventional ramp wave generator. 1... Adding means, 8... Up/down counter, 11... D/A converter.
Claims (1)
が入力される加算手段と、この加算手段がオーバ
ーフローしたときにカウンタの内容をインクリメ
ントしてデイジタルランプ波信号を発生するアツ
プ/ダウンカウンタと、前記デイジタルランプ波
信号をアナログランプ波信号に変換するD/Aコ
ンバータとを備えてなるランプ波発生装置。 an addition means into which variable value digital data and previously added data are input; an up/down counter that increments the contents of the counter and generates a digital ramp wave signal when the addition means overflows; A ramp wave generator comprising a D/A converter that converts a signal into an analog ramp wave signal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4730390U JPH045726U (en) | 1990-05-07 | 1990-05-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4730390U JPH045726U (en) | 1990-05-07 | 1990-05-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH045726U true JPH045726U (en) | 1992-01-20 |
Family
ID=31563113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4730390U Pending JPH045726U (en) | 1990-05-07 | 1990-05-07 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH045726U (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5271966A (en) * | 1975-12-11 | 1977-06-15 | Matsushita Electric Ind Co Ltd | Triangular wave generator |
JPS62195903A (en) * | 1986-02-24 | 1987-08-29 | Hitachi Ltd | Periodic function signal generating circuit |
JPS62225027A (en) * | 1986-03-27 | 1987-10-03 | Toshiba Corp | Variable frequency divider |
JPH01108807A (en) * | 1987-10-21 | 1989-04-26 | Fujitsu Ten Ltd | Pulse generating circuit |
JPH0294915A (en) * | 1988-09-30 | 1990-04-05 | Anritsu Corp | Triangular wave signal generator |
JPH02100410A (en) * | 1988-10-06 | 1990-04-12 | Nippon Telegr & Teleph Corp <Ntt> | Periodic control pulse generating circuit |
-
1990
- 1990-05-07 JP JP4730390U patent/JPH045726U/ja active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5271966A (en) * | 1975-12-11 | 1977-06-15 | Matsushita Electric Ind Co Ltd | Triangular wave generator |
JPS62195903A (en) * | 1986-02-24 | 1987-08-29 | Hitachi Ltd | Periodic function signal generating circuit |
JPS62225027A (en) * | 1986-03-27 | 1987-10-03 | Toshiba Corp | Variable frequency divider |
JPH01108807A (en) * | 1987-10-21 | 1989-04-26 | Fujitsu Ten Ltd | Pulse generating circuit |
JPH0294915A (en) * | 1988-09-30 | 1990-04-05 | Anritsu Corp | Triangular wave signal generator |
JPH02100410A (en) * | 1988-10-06 | 1990-04-12 | Nippon Telegr & Teleph Corp <Ntt> | Periodic control pulse generating circuit |
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