JPH0290531U - - Google Patents
Info
- Publication number
- JPH0290531U JPH0290531U JP16826488U JP16826488U JPH0290531U JP H0290531 U JPH0290531 U JP H0290531U JP 16826488 U JP16826488 U JP 16826488U JP 16826488 U JP16826488 U JP 16826488U JP H0290531 U JPH0290531 U JP H0290531U
- Authority
- JP
- Japan
- Prior art keywords
- output
- digital
- digital data
- digital filter
- data
- 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構成を示すブロ
ツク図。第２図は従来例における作用を説明する
線図。
１…第１のデジタルフイルタ、２…デジタルデ
ータ減衰器、３…第２のデジタルフイルタ、４…
切替スイツチ、５…Ｄ／Ａ変換器、６…増幅器。
FIG. 1 is a block diagram showing the configuration of an embodiment of this invention. FIG. 2 is a diagram illustrating the operation in the conventional example. DESCRIPTION OF SYMBOLS 1...First digital filter, 2...Digital data attenuator, 3...Second digital filter, 4...
Changeover switch, 5...D/A converter, 6...amplifier.
Claims (1)
処理回路であつて、第１のデジタルフイルタと、
第１のデジタルフイルタへの入力デジタルデータ
を入力とするデジタルデータ減衰器と、デジタル
データ減衰器からの出力デジタルデータを入力と
する第２のデジタルフイルタと、第１のデジタル
フイルタからの出力デジタルデータと第２のデジ
タルフイルタからの出力デジタルデータとを入力
し、第１のデジタルフイルタにオーバーフローが
有るとき第２のデジタルフイルタからの出力デジ
タルデータを選択し、かつオーバーフローが無い
とき第１のデジタルフイルタからの出力デジタル
データを選択する切替スイツチと、切替スイツテ
からの出力デジタルデータをアナログ信号に変換
するＤ／Ａ変換器と、Ｄ／Ａ変換器からの出力を
入力とし、かつ切替スイツチにより第２のデジタ
ルフイルタからの出力データが選択されたときＤ
／Ａ変換器からの出力アナログ信号レベルをデジ
タルデータ減衰器の減衰量に応じて補償する補償
手段とを備えたことを特徴とする信号処理回路。 A signal processing circuit that D/A converts the output of the digital filter, the signal processing circuit comprising: a first digital filter;
a digital data attenuator that receives input digital data to the first digital filter; a second digital filter that receives output digital data from the digital data attenuator; and output digital data from the first digital filter. and the output digital data from the second digital filter, and when there is an overflow in the first digital filter, the output digital data from the second digital filter is selected, and when there is no overflow, the output digital data from the first digital filter is selected. a D/A converter that converts the output digital data from the switch into an analog signal; When the output data from the digital filter is selected, D
1. A signal processing circuit comprising: compensating means for compensating the output analog signal level from the /A converter according to the amount of attenuation of the digital data attenuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16826488U JPH0290531U (en) | 1988-12-28 | 1988-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16826488U JPH0290531U (en) | 1988-12-28 | 1988-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0290531U true JPH0290531U (en) | 1990-07-18 |
Family
ID=31457292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16826488U Pending JPH0290531U (en) | 1988-12-28 | 1988-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0290531U (en) |
-
1988
- 1988-12-28 JP JP16826488U patent/JPH0290531U/ja active Pending
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