JPS58141634U - analog to digital converter - Google Patents
analog to digital converterInfo
- Publication number
- JPS58141634U JPS58141634U JP1716383U JP1716383U JPS58141634U JP S58141634 U JPS58141634 U JP S58141634U JP 1716383 U JP1716383 U JP 1716383U JP 1716383 U JP1716383 U JP 1716383U JP S58141634 U JPS58141634 U JP S58141634U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- voltage
- down counter
- analog
- full
- 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.)
- Granted
Links
Landscapes
- Analogue/Digital Conversion (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は電圧・周波数変換器を使用した従来のアナログ
令ディジタル変換器のブ冶ツク図、第２図は本考案に係
るアナログ・ディジタル変換器の一実施例を示すブロッ
ク図、第３図は第２図のアナログ・ディジタル変換器の
動作を説明するための電圧・周波数特性図である。
第２図において、珠・・・・・・入力電圧、ＥＭ・・・
・・・フルスケール電圧に相当する電圧、Ａ・・・・・
・加算増幅器、ＶＦ・・・・・・電圧・周波数変換器、
２ｃｕ・・・・・・ＶＦの出力周波数２倍にカウントす
るカウンタ、ＭＥ・・・・・・記ｆｊＷ回路、ＰＣＵ・
・・・・・プリセットカウンタ、ＵＤＣ・・・・・・ア
ップ・ダウンカウンタ、ＤＰ・・・・・・表示回路。
ズ ｌ 図 ′Fig. 1 is a block diagram of a conventional analog-to-digital converter using a voltage/frequency converter, Fig. 2 is a block diagram showing an embodiment of the analog-to-digital converter according to the present invention, and Fig. 3 2 is a voltage/frequency characteristic diagram for explaining the operation of the analog-to-digital converter shown in FIG. 2. FIG. In Figure 2, beads...input voltage, EM...
...Voltage equivalent to full-scale voltage, A...
・Summing amplifier, VF...Voltage/frequency converter,
2cu... Counter that doubles the output frequency of VF, ME... fjW circuit, PCU.
...Preset counter, UDC...up/down counter, DP...display circuit. Figure ′
Claims (1)
電圧を加算したのち周波数信号に変換する電圧・周波数
変換器、電圧・周波数変換器の出力周波数を２倍したの
ち予めプリセットされたフルスケール電圧に対応した周
波数を引算するアップ・ダウンカウンタ、前記引算結果
が零を越えないときはアップ・ダウンカウンタの計数周
波数をそのまま表示する手段、および、前記引算結果が
零を越える場合には極性信号を出力するとともに、フル
スケール電圧に対応した周波数から前記電圧・周波数変
換器の出力周波数の２倍の値の周波数を前記アップ・ダ
ウンカウンタによって引算しその引算結果を表示するよ
うにした手段を有するアナログ・ディジタル変換器。A voltage/frequency converter that adds a voltage equivalent to the full-scale voltage to the input analog signal and then converts it into a frequency signal, and doubles the output frequency of the voltage/frequency converter to correspond to a preset full-scale voltage. an up/down counter for subtracting the frequency counted by the up/down counter, means for directly displaying the counting frequency of the up/down counter when the subtraction result does not exceed zero, and a polarity signal when the subtraction result exceeds zero. means for subtracting a frequency twice the output frequency of the voltage/frequency converter from the frequency corresponding to the full-scale voltage by the up/down counter and displaying the result of the subtraction. An analog-to-digital converter with
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1716383U JPS6022677Y2 (en) | 1983-02-08 | 1983-02-08 | Analog to digital converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1716383U JPS6022677Y2 (en) | 1983-02-08 | 1983-02-08 | Analog to digital converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58141634U true JPS58141634U (en) | 1983-09-24 |
| JPS6022677Y2 JPS6022677Y2 (en) | 1985-07-05 |
Family
ID=30029494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1716383U Expired JPS6022677Y2 (en) | 1983-02-08 | 1983-02-08 | Analog to digital converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6022677Y2 (en) |
-
1983
- 1983-02-08 JP JP1716383U patent/JPS6022677Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6022677Y2 (en) | 1985-07-05 |
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