JPH033828U - - Google Patents
Info
- Publication number
- JPH033828U JPH033828U JP6335489U JP6335489U JPH033828U JP H033828 U JPH033828 U JP H033828U JP 6335489 U JP6335489 U JP 6335489U JP 6335489 U JP6335489 U JP 6335489U JP H033828 U JPH033828 U JP H033828U
- Authority
- JP
- Japan
- Prior art keywords
- modulation
- signal subjected
- clock signal
- converter
- waveform generation
- 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 5
Landscapes
- Tests Of Electronic Circuits (AREA)
Description
第１図は本考案の原理ブロツク図、第２図は本
考案の一実施例のブロツク図、第３図は第１図の
動作を説明する波形図、第４図は従来の装置のブ
ロツク図、第５図はＦＭ変調波形例図である。
６，１４……クロツク制御回路、７，１０……
パターン発生器、８，１１……Ｄ／Ａ変換器、９
……ローパスフイルタ（ＬＰＦ）、１２……基準
クロツク発生器、１３，１５……切換スイツチ、
１６……演算制御部（ＣＰＵ）。
Fig. 1 is a block diagram of the principle of the present invention, Fig. 2 is a block diagram of an embodiment of the invention, Fig. 3 is a waveform diagram explaining the operation of Fig. 1, and Fig. 4 is a block diagram of a conventional device. , FIG. 5 is an example diagram of an FM modulation waveform. 6, 14... Clock control circuit, 7, 10...
Pattern generator, 8, 11...D/A converter, 9
...Low pass filter (LPF), 12... Reference clock generator, 13, 15... Changeover switch,
16... Arithmetic control unit (CPU).
Claims (1)
をＤ／Ａ変換器に読み出してアナログ信号に変換
する２系統の波形発生系統を具備し、 一方の波形発生系統のパターン発生器から、Ｆ
Ｍ変調がかけられたクロツク信号を生成するため
のデータパターンをＤ／Ａ変換器に読み出して、
他方の波形発生系統にＦＭ変調がかけられたクロ
ツク信号を出力し、 他方の波形発生系統のパターン発生器から、前
記ＦＭ変調がかけられたクロツク信号に従つてＦ
Ｍ変調がかけられる原信号を生成するためのデー
タパターンをＤ／Ａ変換器に読み出し、ＦＭ変調
がかけられたアナログ信号を出力することを特徴
とするＦＭ変調波形発生器。[Claims for Utility Model Registration] A pattern generator comprising two waveform generation systems for reading a data pattern written in a pattern generator into a D/A converter and converting it into an analog signal; From, F
A data pattern for generating an M-modulated clock signal is read out to a D/A converter,
A clock signal subjected to FM modulation is output to the other waveform generation system, and a clock signal subjected to FM modulation is output from the pattern generator of the other waveform generation system according to the clock signal subjected to FM modulation.
An FM modulation waveform generator characterized in that a data pattern for generating an original signal subjected to M modulation is read into a D/A converter, and an analog signal subjected to FM modulation is outputted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6335489U JPH033828U (en) | 1989-05-31 | 1989-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6335489U JPH033828U (en) | 1989-05-31 | 1989-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH033828U true JPH033828U (en) | 1991-01-16 |
Family
ID=31593322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6335489U Pending JPH033828U (en) | 1989-05-31 | 1989-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH033828U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62109099U (en) * | 1985-12-27 | 1987-07-11 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55157068A (en) * | 1979-05-24 | 1980-12-06 | Nec Corp | Analog signal generator |
| JPS58143013A (en) * | 1982-02-18 | 1983-08-25 | Kiyouzai Kogyo Kk | Improvement of soft sludgy soil by converter slag and crushed stone |
-
1989
- 1989-05-31 JP JP6335489U patent/JPH033828U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55157068A (en) * | 1979-05-24 | 1980-12-06 | Nec Corp | Analog signal generator |
| JPS58143013A (en) * | 1982-02-18 | 1983-08-25 | Kiyouzai Kogyo Kk | Improvement of soft sludgy soil by converter slag and crushed stone |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62109099U (en) * | 1985-12-27 | 1987-07-11 |
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