JPH0324771U - - Google Patents
Info
- Publication number
- JPH0324771U JPH0324771U JP8473589U JP8473589U JPH0324771U JP H0324771 U JPH0324771 U JP H0324771U JP 8473589 U JP8473589 U JP 8473589U JP 8473589 U JP8473589 U JP 8473589U JP H0324771 U JPH0324771 U JP H0324771U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage
- variable
- common
- basic block
- 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 4
Landscapes
- Picture Signal Circuits (AREA)
- Processing Of Color Television Signals (AREA)
- Control Of Amplification And Gain Control (AREA)
Description
第１図は本考案の一実施例の直流電圧演算回路
の構成を示す回路図、第２図は前記実施例の適用
例を示す回路ブロツク図、第３図は前記実施例の
基本構成を示す回路図、第４図は第３図の回路の
出力特性設定例を示すグラフ、第５図はＣＲＴの
カソードの一般的なビーム電流特性を示すグラフ
、第６図は従来装置を示すブロツク図、第７図は
従来装置の作用を示す説明図である。
１０，１４……直流電圧演算回路、１２，１６
……直流電圧源、２０Ｒ，２０Ｇ，２０Ｂ……電
圧演算部、２４……オペアンプ、２６……同相増
幅回路、２８……電流源、Ｒ０，Ｒ１，Ｒ２，Ｒ
３……抵抗、Ｖ０……基準電圧。
Fig. 1 is a circuit diagram showing the configuration of a DC voltage calculation circuit according to an embodiment of the present invention, Fig. 2 is a circuit block diagram showing an application example of the embodiment, and Fig. 3 shows the basic configuration of the embodiment. 4 is a graph showing an example of setting the output characteristics of the circuit in FIG. 3, FIG. 5 is a graph showing general beam current characteristics of a CRT cathode, and FIG. 6 is a block diagram showing a conventional device. FIG. 7 is an explanatory diagram showing the operation of the conventional device. 10, 14...DC voltage calculation circuit, 12, 16
...DC voltage source, 20R, 20G, 20B... Voltage calculation section, 24... Operational amplifier, 26... Common mode amplifier circuit, 28... Current source, R 0 , R 1 , R 2 , R
3 ...Resistance, V0 ...Reference voltage.
Claims (1)
の直流電圧が複数個得られる直流電圧演算回路に
おいて、 前記入力電圧が各々入力される複数の基本ブロ
ツク回路を有し、各基本ブロツク回路は、利得可
変な同相増幅回路と、この同相増幅回路の出力の
基準となる可変直流電圧源回路と、前記同相増幅
回路の出力に一定値を加える可変直流電流源回路
とを各々備えたことを特徴とする直流電圧演算回
路。 (2) 前記可変直流電圧源回路を、各基本ブロツ
ク回路に共通に設けたことを特徴とする請求項１
記載の直流電圧演算回路。[Claims for Utility Model Registration] (1) In a DC voltage calculation circuit that can obtain a plurality of arbitrary DC voltages with different characteristics for one input voltage, a plurality of basic block circuits to which each of the input voltages is input. Each basic block circuit includes a common-mode amplifier circuit with variable gain, a variable DC voltage source circuit that serves as a reference for the output of the common-mode amplifier circuit, and a variable DC current source circuit that adds a constant value to the output of the common-mode amplifier circuit. A DC voltage calculation circuit characterized by comprising: (2) Claim 1 characterized in that the variable DC voltage source circuit is provided commonly to each basic block circuit.
The DC voltage calculation circuit described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8473589U JPH0324771U (en) | 1989-07-19 | 1989-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8473589U JPH0324771U (en) | 1989-07-19 | 1989-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0324771U true JPH0324771U (en) | 1991-03-14 |
Family
ID=31633406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8473589U Pending JPH0324771U (en) | 1989-07-19 | 1989-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0324771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0535962U (en) * | 1991-10-17 | 1993-05-18 | 株式会社フジタ | Green cutting machine |
-
1989
- 1989-07-19 JP JP8473589U patent/JPH0324771U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0535962U (en) * | 1991-10-17 | 1993-05-18 | 株式会社フジタ | Green cutting machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0324771U (en) | ||
| JPS62227204A (en) | Differential amplifier | |
| JPH0738981Y2 (en) | Constant current source circuit | |
| JPS615321A (en) | Current-to-current converting circuit | |
| JPH0233387Y2 (en) | ||
| JPH0390511U (en) | ||
| JPS6439512U (en) | ||
| JPS6170420U (en) | ||
| JPS6315618U (en) | ||
| JPS6259485B2 (en) | ||
| JP2737430B2 (en) | Frequency multiplication / mixer circuit | |
| JPH0222739Y2 (en) | ||
| JPH0691389B2 (en) | Gain control amplifier | |
| JPS6397116U (en) | ||
| JPS6190307U (en) | ||
| JPS61111217U (en) | ||
| JPH02301879A (en) | Adder | |
| JPH0331789U (en) | ||
| JPH0444406A (en) | Dc amplifier | |
| JPH03115415U (en) | ||
| JPS61177806A (en) | Amplifier circuit | |
| JPH03119770U (en) | ||
| JPH01160716U (en) | ||
| JPH02120926U (en) | ||
| JPS593663U (en) | bipolar power circuit |