JPS60180307A - Programmable waveform generating circuit - Google Patents
Programmable waveform generating circuitInfo
- Publication number
- JPS60180307A JPS60180307A JP3674584A JP3674584A JPS60180307A JP S60180307 A JPS60180307 A JP S60180307A JP 3674584 A JP3674584 A JP 3674584A JP 3674584 A JP3674584 A JP 3674584A JP S60180307 A JPS60180307 A JP S60180307A
- Authority
- JP
- Japan
- Prior art keywords
- waveform
- srn
- circuit
- scn
- switches
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B28/00—Generation of oscillations by methods not covered by groups H03B5/00 - H03B27/00, including modification of the waveform to produce sinusoidal oscillations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
Description
【発明の詳細な説明】
（ａ）１発明の技術分野
本発明はプログラマブル波形発生回路に係り、特に周期
、単位時間、電圧等をプログラム入力することにより任
意の波形を発生ずる回路に関するものである。Detailed Description of the Invention (a) 1 Technical Field of the Invention The present invention relates to a programmable waveform generation circuit, and particularly to a circuit that generates an arbitrary waveform by inputting a program such as period, unit time, voltage, etc. .
（ｂ）、従来技術と問題点
一般に任意の電子回路の波形応答を測定する場合の入力
波形を発生ずる波形発生装置としては其の出力波形が正
弦波、三角波、矩形波等の簡単なものが多く複雑な波形
を発生出来る様になっているものは今迄になかった。此
の為非周期的な複雑な波形を測定の都度工夫して作り、
此れを被測定電子回路に印加してメモリスコープ等で観
測しなければならないと云う欠点があった。(b), Prior Art and Problems In general, when measuring the waveform response of an arbitrary electronic circuit, the waveform generator that generates the input waveform is a simple one whose output waveform is a sine wave, triangular wave, or square wave. Until now, there has never been anything that can generate many complex waveforms. For this reason, we create a non-periodic and complex waveform each time we make a measurement.
There is a drawback that this voltage must be applied to the electronic circuit under test and observed using a memory scope or the like.
（Ｃ）０発明の目的
本発明の目的は従来技術の有する上記の欠点を除去し、
複雑な波形をプログラマブルに周期発生することにより
電子回路の波形応答を簡便に測定出来る様にするプログ
ラマブル波形発生回路を堤供することである。(C)0Object of the invention The object of the present invention is to eliminate the above-mentioned drawbacks of the prior art,
It is an object of the present invention to provide a programmable waveform generation circuit that enables the waveform response of an electronic circuit to be easily measured by programmably periodically generating a complex waveform.
（ｄ）１発明の構成
上記の目的は本発明によれば、複数個の定電圧電源又は
定電流電源、抵抗素子、容量素子、前記素子間を接続す
るスイッチ、前記スイッチを駆動する制御回路を備え、
前記電源、前記抵抗素子、前記容量素子を前記スイッチ
によりプログラマブルに選択接続し、前記容量素子の充
放電により任意の波形を発生させることを特徴とするプ
ログラマブル波形発生回路を提供することにより達成さ
れる。(d) 1 Structure of the Invention According to the present invention, the above-mentioned object includes a plurality of constant voltage power supplies or constant current power supplies, a resistive element, a capacitive element, a switch connecting the elements, and a control circuit for driving the switch. Prepare,
This is achieved by providing a programmable waveform generation circuit characterized in that the power supply, the resistance element, and the capacitance element are programmably selectively connected by the switch, and an arbitrary waveform is generated by charging and discharging the capacitance element. .
（ｅ）８発明の実施例
本発明は容量素子を充放電することにより容量素子の端
子電圧が決まることを利用し任意波形を発生ずる手段と
して定電圧電ａ＜定電流電源）、抵抗素子、容量素子を
選択することにより、単位時間に容量素子に充放電する
電荷量を可変して任意の電圧波形を設定しようとするも
のである。(e) 8 Embodiments of the Invention The present invention utilizes the fact that the terminal voltage of a capacitive element is determined by charging and discharging the capacitive element to generate an arbitrary waveform. By selecting a capacitive element, the amount of charge charged and discharged to the capacitive element per unit time can be varied to set an arbitrary voltage waveform.
第１図は従来の波形発生回路により実現出来る波形例を
示す。第１図の（ａｌは正弦波、（ｂｌは三角波、（Ｃ
１ば矩形波である。FIG. 1 shows an example of waveforms that can be realized by a conventional waveform generating circuit. In Figure 1, (al is a sine wave, (bl is a triangular wave, (C
1 is a square wave.
第２図は本発明に依る複雑な波形の一実施例を示す図で
ある。FIG. 2 is a diagram illustrating one embodiment of a complex waveform according to the present invention.
第３図は第２図に示す複雑な波形を本発明に依る人力パ
ラメータに置換した図である。FIG. 3 is a diagram in which the complicated waveform shown in FIG. 2 is replaced with human parameters according to the present invention.
第４図のｔａ）は本発明に依るプログラマブル波形発生
回路の一実施例を示すブロック図であり、第４図のｆｂ
）は本発明の詳細な説明する図である。ta) in FIG. 4 is a block diagram showing an embodiment of the programmable waveform generation circuit according to the present invention, and fb in FIG.
) is a diagram illustrating the present invention in detail.
第５図は本発明に依るプログラマブル波形発生回路の別
の一実施例を示すブロック図である。FIG. 5 is a block diagram showing another embodiment of the programmable waveform generation circuit according to the present invention.
図中■１〜Ｖｎは夫々定電圧電源、■１〜Ｉｎは夫々定
電流電源、０１〜Ｃｎは夫々コンデンサ、Ｒ１−Ｒｎは
夫々抵抗、５ＶＩ−８Ｖｎ、、ＳＣ１〜ＳＣｎ 、ＳＲ
Ｉ 〜ＳＲｎ 、Ｓ １１〜Ｓ Ｉｎは夫々スイッチ、
Ｃ０ＮＴは演算制御回路、Ｍはメモリ、ＴＳＴは被測定
電子回路である。In the figure, ■1 to Vn are constant voltage power supplies, ■1 to In are constant current power supplies, 01 to Cn are capacitors, R1 to Rn are resistors, respectively, 5VI to 8Vn, SC1 to SCn, SR
I ~ SRn and S 11 ~ S In are switches, respectively;
C0NT is an arithmetic control circuit, M is a memory, and TST is an electronic circuit to be measured.
以下図に従って本発明の詳細な説明する。第４図の［ａ
）に於いてスイッチＳＶｎ 、ＳＣｎ 、ＳＲｎのみが
閉じているとすると第４図の（ｂｌに示す様に定電圧電
源■ｎ、抵抗Ｒｎｚ及びコンデンサＣｎによるループ回
路が出来る。The present invention will be described in detail below with reference to the drawings. [a] in Figure 4
), if only the switches SVn, SCn, and SRn are closed, a loop circuit consisting of a constant voltage power supply ■n, a resistor Rnz, and a capacitor Cn is formed as shown in FIG. 4 (bl).
此の場合ループ回路が出来てからｔ秒後のコンデンサＣ
ｎの端子電圧即ち出力電圧Ｖｏｕｔは次の但しＥｏはＶ
ｏｕｔの初期電圧であり、従って１＝０の時のＶｏｕｔ
＝Ｅｏである。In this case, capacitor C after t seconds after the loop circuit is completed.
The terminal voltage of n, that is, the output voltage Vout is as follows, however, Eo is V
It is the initial voltage of out, therefore Vout when 1=0
=Eo.
此処でｔ秒後の出力電圧Ｖｏｕｔは、定電圧電源■ｎ、
抵抗Ｒｎ、及びコンデンサＣｎを変化させることにより
任意に変化させることが出来る。Here, the output voltage Vout after t seconds is the constant voltage power supply n,
It can be changed arbitrarily by changing the resistance Rn and the capacitor Cn.
第２図に示す様な複雑な波形を実現する為の方法を以下
に示す。即ち第２図に示す様な複雑な波形は第３図に示
す様に単位時間へＴ毎の電圧変化の集合体である。第３
図に於いて波形の発生から終了迄の時間をＴとし、最初
の単位時間Δ′Ｆに於ける電圧変化量をＥｊ、次の単位
時間ΔＴに於ける電圧変化量をＥｌ、と次々に分解して
行く。A method for realizing a complex waveform as shown in FIG. 2 will be described below. That is, a complex waveform as shown in FIG. 2 is a collection of voltage changes every T per unit time as shown in FIG. 3. Third
In the figure, the time from the generation of the waveform to the end is T, the amount of voltage change in the first unit time Δ'F is Ej, the amount of voltage change in the next unit time ΔT is El, and so on. I'll go.
第３図に示す電圧波形は、−周期の時間Ｔ、単位時間へ
Ｔ、電圧変化量Ｅ１ ・・・・電圧変化量Ｅｎの関数で
ある。The voltage waveform shown in FIG. 3 is a function of -cycle time T, unit time T, voltage change amount E1 . . . voltage change amount En.
出力波形を決定するパラメータであるＴ、ΔＴ、Ｅｌ
・・Ｅｎの値は第４図のｔａ）に示すメモリＭに入力さ
れ記憶され、演算制御回路Ｃ０ＮＴにより各単位時間毎
の定電圧電源■ｎ、抵抗Ｒｎ、及びコンデンサＣｎの選
択を８１算し、此の計算結果に基づき各スイッチＳＶｎ
、ＳＣｎ 、ＳＲｎを選択して６１時間オンすること
により第３図に示す様な波形を実現することが出来る。T, ΔT, El, which are parameters that determine the output waveform
...The value of En is input and stored in the memory M shown in ta) in Fig. 4, and the selection of the constant voltage power supply ■n, resistor Rn, and capacitor Cn for each unit time is calculated by the arithmetic control circuit C0NT by 81. , each switch SVn based on this calculation result
, SCn, and SRn and are turned on for 61 hours, a waveform as shown in FIG. 3 can be realized.
尚時間へＴは必ずしも均等に配分する必要はなく、入力
を設定する時出力波形を決定するパラメータを、Ｔ１Δ
Ｔ１、Ｅｌ、ΔＴ２、Ｅｌ、・・ΔＴｎ 、Ｅｎ’して
も良い。It should be noted that T does not necessarily need to be distributed evenly over time; when setting the input, the parameter that determines the output waveform is
T1, El, ΔT2, El, . . . ΔTn, En' may also be used.
但しΔＴＩ ≠ΔＴ２≠・・・≠ΔＴｎ とする。However, ΔTI≠ΔT2≠...≠ΔTn.
第５図に示す本発明に依るプログラマブル波形発生回路
の別の一実施例は第４図の場合と略同しであるが、抵抗
Ｒ１〜Ｒｎ、及びスイッチＳＲ。Another embodiment of the programmable waveform generation circuit according to the present invention shown in FIG. 5 is substantially the same as that shown in FIG. 4, but includes resistors R1 to Rn and switch SR.
〜ＳＲｎを除去し、定電圧電源■１〜Ｖｎの代わりに定
電流電源１１〜Ｉｎを、スイッチＳＶ、〜ＳＶｎの代わ
りにスイッチＳ１．〜Ｓｉｎを使用している。-SRn is removed, constant voltage power supply 1 is replaced with constant current power supply 11-In in place of 1-Vn, and switch S1. ~Sin is used.
今定電流電源ＩｎとコンデンサＣｎがスイッチにより選
択されたとすると、選択されてからｔ秒後の出力電圧Ｖ
ｏｕｔ （コンデンサＣｎの端子電圧）は下式で示され
る。Assuming that the constant current power supply In and the capacitor Cn are now selected by the switch, the output voltage V after t seconds from the selection
out (terminal voltage of capacitor Cn) is expressed by the following formula.
Ｖｏｕｔ ＝Ｅｏ ＋ Ｉｎ −ｔ ／ Ｃｎ但しＥｏ
は初期電圧値である。Vout = Eo + In -t / Cn However, Eo
is the initial voltage value.
此処でｔ秒後の出力電圧Ｖｏｕｔは定電流電源Ｉｎとコ
ンデンサＣｎを変化することにより任意に選択すること
が出来る。従って第４図の説明の場合と同じく作ろうと
する任意の波形のパラメータを入力して選択スイッチ５
ｌｎ−５ＣｎをへＴ時間オンすることにより作成可能で
ある。Here, the output voltage Vout after t seconds can be arbitrarily selected by changing the constant current power source In and the capacitor Cn. Therefore, as in the case of the explanation of Fig. 4, enter the parameters of the arbitrary waveform you want to create, and
It can be created by turning on ln-5Cn for T time.
（ｆ）１発明の効果
以上詳細に説明した様に本発明によれば、任意の波形を
周期的に発生させることが出来る為普通のオノシロスコ
ープで簡単に測定出来ると云う大きい効果がある。(f) 1. Effects of the Invention As described in detail above, the present invention has the great effect that arbitrary waveforms can be generated periodically and can be easily measured with an ordinary onoscilloscope.
第１図は従来の波形発生回路により実現出来る波形例を
示す。第１図の＋ａ＋は正弦波、（ｂｌは三角波、（Ｃ
１は矩形波である。
第２図は本発明に依る複雑な波形の一実施例を示す図で
ある。
第３図は第２図に示す複雑な波形を本発明に依る入力パ
ラメータに置換した図である。
第４図の（ａｌは本発明に依るプログラマブル波形発生
回路の一実施例を示すブロック図であり、第４図の（ｂ
）は本発明の詳細な説明する図である。
第５図は本発明に依るプログラマブル波形発生回路の別
の一実施例を示すブロック図である。
図中ｖ１〜Ｖｎは夫々定電圧電源、Ｉ、〜ｊｎは夫々定
電流電源、Ｃ１〜Ｃｎは夫々コンデンザ、Ｒ１−Ｒｎは
夫々抵抗、ＳＶＩ −３Ｖｎ 、ＳＣ＋〜５Ｃｎ１ＳＲ
１〜ｓＲｎ、ｓ■１〜ｓＩｎは夫々スイッチ、Ｃ０ＮＴ
は演算制御回路、Ｍはメモリ、ＴＳＴは被測定電子回路
である。
第７図
ネ２＠
草５１可FIG. 1 shows an example of waveforms that can be realized by a conventional waveform generating circuit. +a+ in Figure 1 is a sine wave, (bl is a triangular wave, (C
1 is a square wave. FIG. 2 is a diagram illustrating one embodiment of a complex waveform according to the present invention. FIG. 3 is a diagram in which the complex waveform shown in FIG. 2 is replaced with input parameters according to the present invention. (al in FIG. 4 is a block diagram showing an embodiment of the programmable waveform generation circuit according to the present invention, and (b) in FIG.
) is a diagram illustrating the present invention in detail. FIG. 5 is a block diagram showing another embodiment of the programmable waveform generation circuit according to the present invention. In the figure, v1 to Vn are constant voltage power supplies, I, to jn are constant current power supplies, C1 to Cn are capacitors, R1 to Rn are resistors, respectively, SVI -3Vn, SC+ to 5Cn1SR
1~sRn, s■1~sIn are switches, C0NT, respectively.
is an arithmetic control circuit, M is a memory, and TST is an electronic circuit to be measured. Figure 7 Ne2 @ Grass 51 possible
Claims (1)
素子、前記素子間を接続するスイッチ、前記スイッチを
駆動する制御回路を備え、前記電源、前記抵抗素子、前
記容量素子を前記スイッチによりプログラマブルに選択
接続し、前記容量素子の充放電により任意の波形を発生
させることを特徴とするプログラマブル波形発生回路。A plurality of constant voltage power supplies or constant current power supplies, a resistive element, a capacitive element, a switch for connecting the elements, and a control circuit for driving the switch are provided, and the power supply, the resistive element, and the capacitive element are connected to each other by the switch. A programmable waveform generation circuit characterized in that the circuit is selectively connected in a programmable manner and generates an arbitrary waveform by charging and discharging the capacitive element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3674584A JPS60180307A (en) | 1984-02-28 | 1984-02-28 | Programmable waveform generating circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3674584A JPS60180307A (en) | 1984-02-28 | 1984-02-28 | Programmable waveform generating circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60180307A true JPS60180307A (en) | 1985-09-14 |
Family
ID=12478264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3674584A Pending JPS60180307A (en) | 1984-02-28 | 1984-02-28 | Programmable waveform generating circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60180307A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014099835A (en) * | 2012-11-13 | 2014-05-29 | Samsung Electro-Mechanics Co Ltd | Triangular wave generating device |
-
1984
- 1984-02-28 JP JP3674584A patent/JPS60180307A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014099835A (en) * | 2012-11-13 | 2014-05-29 | Samsung Electro-Mechanics Co Ltd | Triangular wave generating device |
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