JPH0390315U - - Google Patents
Info
- Publication number
- JPH0390315U JPH0390315U JP14959089U JP14959089U JPH0390315U JP H0390315 U JPH0390315 U JP H0390315U JP 14959089 U JP14959089 U JP 14959089U JP 14959089 U JP14959089 U JP 14959089U JP H0390315 U JPH0390315 U JP H0390315U
- Authority
- JP
- Japan
- Prior art keywords
- zener diode
- voltage
- divider circuit
- voltage divider
- operational amplifier
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Description
第１図は、本考案の一実施例を示す図、第２図
は、本考案に到る過程において考案された装置の
一例を示す図で、ＳＤＣ……直流電源、Ｒ１，Ｒ
２及びＲ４……分圧抵抗、Ｚ……ツエナダイオー
ド、Ｒ３……ツエナダイオードの作動電流供給抵
抗、ＯＰ１乃至ＯＰ５……演算増幅器、ＳＥＮ…
…検出演算器、ＰＰ……圧力導入管、Ｒ５乃至Ｒ
１１……演算抵抗、Ｔ０……出力端子、である。
Fig. 1 is a diagram showing an embodiment of the present invention, and Fig. 2 is a diagram showing an example of a device devised in the process of arriving at the present invention.
2 and R4 ...Voltage dividing resistor, Z...Zena diode, R3 ...Zena diode operating current supply resistance, OP1 to OP5 ...Operation amplifier, SEN...
...Detection calculator, PP...Pressure introduction pipe, R5 to R
11 ...Arithmetic resistance, T0 ...Output terminal.
Claims (1)
に加えられる第１の演算増幅器と、 ツエナダイオードのアノードに作動電流供給抵
抗の一端が接続され、前記ツエナダイオードのカ
ソードが前記第１の演算増幅器の出力端に接続さ
れると共に、前記作動電流供給抵抗の他端が前記
分圧回路の低電位側に接続される直列回路と、 前記ツエナダイオードと並列接続される第２の
分圧回路と、 この第２の分圧回路の分電圧を前記第１の演算
増幅器に負帰還せしめる回路と、 被制御量を検出し、この検出値に対応する大き
さの信号に前記ツエナダイオードのツエナ電圧を
乗じて成る信号を出力する検出演算器と、 前記第２の分圧回路の分電圧が反転入力端子に
加えられ、前記検出演算器の出力が非反転入力端
子に加えられる第２の演算増幅器とを備えたこと
を特徴とする制御信号発生装置。[Claims for Utility Model Registration] A first voltage divider circuit that divides a DC power supply voltage, a first operational amplifier to which a divided voltage of the first voltage divider circuit is applied to a non-inverting input terminal, and a Zener diode. One end of the operating current supply resistor is connected to the anode, the cathode of the Zener diode is connected to the output terminal of the first operational amplifier, and the other end of the operating current supply resistor is connected to the low potential side of the voltage divider circuit. a series circuit connected to the zener diode, a second voltage divider circuit connected in parallel to the Zener diode, a circuit for negative feedback of the divided voltage of the second voltage divider circuit to the first operational amplifier, and a controlled a detection calculator that outputs a signal obtained by multiplying a signal having a magnitude corresponding to the detected value by a Zener voltage of the Zener diode; and a second operational amplifier to which the output of the detection calculation unit is applied to a non-inverting input terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14959089U JPH0390315U (en) | 1989-12-25 | 1989-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14959089U JPH0390315U (en) | 1989-12-25 | 1989-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0390315U true JPH0390315U (en) | 1991-09-13 |
Family
ID=31695971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14959089U Pending JPH0390315U (en) | 1989-12-25 | 1989-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0390315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7600247B2 (en) | 2004-06-15 | 2009-10-06 | Funai Electric Co., Ltd. | Television tuner |
-
1989
- 1989-12-25 JP JP14959089U patent/JPH0390315U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7600247B2 (en) | 2004-06-15 | 2009-10-06 | Funai Electric Co., Ltd. | Television tuner |
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