JPS6210442B2 - - Google Patents

Info

Publication number
JPS6210442B2
JPS6210442B2 JP10948579A JP10948579A JPS6210442B2 JP S6210442 B2 JPS6210442 B2 JP S6210442B2 JP 10948579 A JP10948579 A JP 10948579A JP 10948579 A JP10948579 A JP 10948579A JP S6210442 B2 JPS6210442 B2 JP S6210442B2
Authority
JP
Japan
Prior art keywords
capacitance
operational amplifier
attenuation
capacitors
switch
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.)
Expired
Application number
JP10948579A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5632816A (en
Inventor
Seiji Kato
Norio Ueno
Michinobu Oohata
Koji Mizushima
Masao Yamazawa
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 JP10948579A priority Critical patent/JPS5632816A/ja
Publication of JPS5632816A publication Critical patent/JPS5632816A/ja
Publication of JPS6210442B2 publication Critical patent/JPS6210442B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00Networks using active elements
    • H03H11/02Multiple-port networks
    • H03H11/24Frequency-independent attenuators

Landscapes

  • Filters That Use Time-Delay Elements (AREA)
  • Control Of Amplification And Gain Control (AREA)
JP10948579A 1979-08-28 1979-08-28 Variable attenuator Granted JPS5632816A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10948579A JPS5632816A (en) 1979-08-28 1979-08-28 Variable attenuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10948579A JPS5632816A (en) 1979-08-28 1979-08-28 Variable attenuator

Publications (2)

Publication Number Publication Date
JPS5632816A JPS5632816A (en) 1981-04-02
JPS6210442B2 true JPS6210442B2 (enrdf_load_stackoverflow) 1987-03-06

Family

ID=14511430

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10948579A Granted JPS5632816A (en) 1979-08-28 1979-08-28 Variable attenuator

Country Status (1)

Country Link
JP (1) JPS5632816A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57202126A (en) * 1981-06-05 1982-12-10 Toko Inc Digital-to-analog converter
JPS5840909A (ja) * 1981-09-03 1983-03-10 Fujitsu Ten Ltd 利得制御回路
JPS5850817A (ja) * 1981-09-21 1983-03-25 Shinsaku Mori スイツチド・キヤパシタ回路
US4441082A (en) * 1981-10-09 1984-04-03 American Microsystems, Inc. Switched capacitor automatic gain control loop
DE3382710T2 (de) * 1982-06-01 1994-04-28 Brooktree Corp Gerät zur Umwandlung zwischen analogen und digitalen Werten.
JPS61191111A (ja) * 1985-02-19 1986-08-25 Sansho:Kk スイツチド・キヤパシタ回路
DE3587950T2 (de) * 1985-12-30 1995-05-24 Ibm Paralleler algorithmischer Digital-/Analogwandler.

Also Published As

Publication number Publication date
JPS5632816A (en) 1981-04-02

Similar Documents

Publication Publication Date Title
US4855685A (en) Precision switchable gain circuit
RU2104601C1 (ru) Полупроводниковая интегральная схема
US5914633A (en) Method and apparatus for tuning a continuous time filter
US5144174A (en) Programmable delay circuit having a buffer stage connected in cascode between the outputs of a plurality of differential amplifiers and the output terminal
CA1213948A (en) Gain amplifier
JP3100482B2 (ja) 連続時間フィルタのための同調回路および方法
JP2572706B2 (ja) 遅延出力信号の供給方法および装置
JP3479506B2 (ja) 加重平均値演算回路
JPH0322103B2 (enrdf_load_stackoverflow)
JPH05136664A (ja) 可変遅延回路
US5297056A (en) Directly-writable digital potentiometer
JPS6210442B2 (enrdf_load_stackoverflow)
EP0047098A1 (en) Adjustable attenuator circuit
JPS60132422A (ja) デイジタルアナログ変換器
US5526274A (en) Digital potentiometer with stackable configuration system
US4558292A (en) Low pass filter
US4306197A (en) Switched-capacitor elliptic filter
JPH1028056A (ja) D/aコンバータ
US5218225A (en) Thin-film resistor layout
US4387345A (en) Precision gain AC coupled operational amplifier
US5175454A (en) Programmable delay circuit having n-stage capacitance elements
JPS6342884B2 (enrdf_load_stackoverflow)
JPS6366084B2 (enrdf_load_stackoverflow)
JPS5817720A (ja) 信号検出回路
JP3455063B2 (ja) 可変利得増幅器