JPS604062U - power supply circuit - Google Patents
power supply circuitInfo
- Publication number
- JPS604062U JPS604062U JP9427183U JP9427183U JPS604062U JP S604062 U JPS604062 U JP S604062U JP 9427183 U JP9427183 U JP 9427183U JP 9427183 U JP9427183 U JP 9427183U JP S604062 U JPS604062 U JP S604062U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- differential amplifier
- reference voltage
- terminal
- generation circuit
- 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
Landscapes
- Devices For Supply Of Signal Current (AREA)
- Noise Elimination (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図は本考案の一実施例を示す回路図であり、第2図
は本考案の他の実施例を示す回路図である。
図において、1,1′・・・・・・電源端子、2・・・
・・・アース端子、3.3′・・・・・・電流出力端子
、4.4’。
10・・・・・・バッファアンフ、5,5′・・・・・
・コンデンサ、6・・・・・・基準電圧発生回路、7,
7′・・・・・・差動増幅器、8. 8’・・・・・・
トランジスタ、9・・・・・・電流増幅回路、R1−R
7,R’ 、〜R’ ?・・・・・・抵抗、R8゜R8
′・・・・・・電源直列抵抗、RL・・・・・・負荷抵
抗、VE。
−VE・・・・・・電源電圧、VR・・・・・・基準電
圧、VL・・・・・・電流出力端子の電位。FIG. 1 is a circuit diagram showing one embodiment of the present invention, and FIG. 2 is a circuit diagram showing another embodiment of the present invention. In the figure, 1, 1'... power supply terminal, 2...
...Earth terminal, 3.3'...Current output terminal, 4.4'. 10...Buffer amplifier, 5,5'...
・Capacitor, 6...Reference voltage generation circuit, 7,
7'...Differential amplifier, 8. 8'・・・・・・
Transistor, 9...Current amplification circuit, R1-R
7, R', ~R'? ...Resistance, R8゜R8
'...Power supply series resistance, RL...Load resistance, VE. -VE: Power supply voltage, VR: Reference voltage, VL: Current output terminal potential.
Claims (1)
音が除去された一定の基準電圧を発生する基準電圧発生
回路と、電源端子と電流出力端子間に直列に接続された
電源直列抵抗およびトランジスタと、該トランジスタに
流れる電流を制御するための差動増幅器と、該差動増幅
器の一入力端子を前記基準電圧発生回路の出力および前
記電源直列抵抗の一端にそれぞれ接続する2個の抵抗と
、前記差動増幅器の十入力端子を前記電流出力端子およ
び電源並びに前記基準電圧発生回路の基準点側にそれぞ
れ接続する3個の抵抗とを備えて、前記差動増幅器の出
力を前記トランジスタのベースに入力させたことを特徴
とする給電回路。A reference voltage generation circuit that divides the voltage between the power supply terminal and ground or a reference point to generate a constant reference voltage from which power supply noise has been removed, and a power supply series resistor and transistor connected in series between the power supply terminal and the current output terminal. a differential amplifier for controlling the current flowing through the transistor; and two resistors connecting one input terminal of the differential amplifier to the output of the reference voltage generation circuit and one end of the power supply series resistor, respectively; three resistors that connect the ten input terminals of the differential amplifier to the current output terminal, the power supply, and the reference point side of the reference voltage generation circuit, respectively, and connect the output of the differential amplifier to the base of the transistor. A power supply circuit characterized in that an input is made.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9427183U JPS604062U (en) | 1983-06-21 | 1983-06-21 | power supply circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9427183U JPS604062U (en) | 1983-06-21 | 1983-06-21 | power supply circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS604062U true JPS604062U (en) | 1985-01-12 |
Family
ID=30225735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9427183U Pending JPS604062U (en) | 1983-06-21 | 1983-06-21 | power supply circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS604062U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63148706U (en) * | 1987-03-18 | 1988-09-30 | ||
JPS63314059A (en) * | 1987-06-17 | 1988-12-22 | Fujitsu Ltd | Bias circuit for power feeding circuit |
-
1983
- 1983-06-21 JP JP9427183U patent/JPS604062U/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63148706U (en) * | 1987-03-18 | 1988-09-30 | ||
JPS63314059A (en) * | 1987-06-17 | 1988-12-22 | Fujitsu Ltd | Bias circuit for power feeding circuit |
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