JPS55130226A - Voltage division circuit - Google Patents

Voltage division circuit

Info

Publication number
JPS55130226A
JPS55130226A JP3764179A JP3764179A JPS55130226A JP S55130226 A JPS55130226 A JP S55130226A JP 3764179 A JP3764179 A JP 3764179A JP 3764179 A JP3764179 A JP 3764179A JP S55130226 A JPS55130226 A JP S55130226A
Authority
JP
Japan
Prior art keywords
circuit
voltage
voltages
resistance
turned
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
Application number
JP3764179A
Other languages
Japanese (ja)
Inventor
Michinobu Ohata
Masao Yamazawa
Toshihiko Matsumura
Hisami Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP3764179A priority Critical patent/JPS55130226A/en
Publication of JPS55130226A publication Critical patent/JPS55130226A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/24—Frequency-independent attenuators
    • H03H11/245—Frequency-independent attenuators using field-effect transistor

Abstract

PURPOSE:To obtain a voltage division circuit which can extract the voltage fractionated accurately in the optional way via a comparatively small number of the resistance element featuring the accurate value plus the resistance circuit network to which the connection can be altered from outside. CONSTITUTION:Resistance circuit networks RR-A and RR-B receive the alteration and control for their internal connection structure via external control circuit CTC, and division voltage Vm plus V1-Vn are delivered through the connection points of serial resistance circuit groups R1-Rn which are provided between those circuit networks. Then the resistance value shown in the diagram is set as RA=RB=R1= ...=Rn, and then the P-channel FET within both the resistance circuit networks is turned on via circuit CTC. As a result, voltages VP and VQ applied across the circuit are divided as shown in diagram A to be then delivered to each connection point in the form of voltages Vm-Vn. On the other hand, when the N-channel FET is turned on, voltages Vm-Vn are turned into voltages Vm'-Vn'which are shifted toward voltage VP by the voltage which is half of the difference of the adjacent output voltage as shown in diagram B.
JP3764179A 1979-03-29 1979-03-29 Voltage division circuit Pending JPS55130226A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3764179A JPS55130226A (en) 1979-03-29 1979-03-29 Voltage division circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3764179A JPS55130226A (en) 1979-03-29 1979-03-29 Voltage division circuit

Publications (1)

Publication Number Publication Date
JPS55130226A true JPS55130226A (en) 1980-10-08

Family

ID=12503269

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3764179A Pending JPS55130226A (en) 1979-03-29 1979-03-29 Voltage division circuit

Country Status (1)

Country Link
JP (1) JPS55130226A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5797279U (en) * 1980-12-08 1982-06-15
JPS6029037A (en) * 1983-06-20 1985-02-14 Nec Corp Non-linear analog/digital converter
JPS61274424A (en) * 1985-05-29 1986-12-04 Nec Corp Analog-to-digital converter
CN102253253A (en) * 2011-02-11 2011-11-23 钰创科技股份有限公司 Circuit with external test voltage

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5797279U (en) * 1980-12-08 1982-06-15
JPS6029037A (en) * 1983-06-20 1985-02-14 Nec Corp Non-linear analog/digital converter
JPH0144052B2 (en) * 1983-06-20 1989-09-25 Nippon Electric Co
JPS61274424A (en) * 1985-05-29 1986-12-04 Nec Corp Analog-to-digital converter
CN102253253A (en) * 2011-02-11 2011-11-23 钰创科技股份有限公司 Circuit with external test voltage

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