JPS5632816A - Variable attenuator - Google Patents

Variable attenuator

Info

Publication number
JPS5632816A
JPS5632816A JP10948579A JP10948579A JPS5632816A JP S5632816 A JPS5632816 A JP S5632816A JP 10948579 A JP10948579 A JP 10948579A JP 10948579 A JP10948579 A JP 10948579A JP S5632816 A JPS5632816 A JP S5632816A
Authority
JP
Japan
Prior art keywords
switch
capacitor
switches
way
variable attenuator
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.)
Granted
Application number
JP10948579A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6210442B2 (enrdf_load_stackoverflow
Inventor
Seiji Kato
Norio Ueno
Michinobu Ohata
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

    • 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

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 true JPS5632816A (en) 1981-04-02
JPS6210442B2 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)

Cited By (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
JPS5875912A (ja) * 1981-10-09 1983-05-07 旭化成マイクロシステム株式会社 スイツチ動作されるコンデンサを有する自動利得制御ル−プ
JPS58220523A (ja) * 1982-06-01 1983-12-22 ブルツクトリ−・コ−ポレ−シヨン デイジタル値とアナログ値との間の変換装置
JPS61191111A (ja) * 1985-02-19 1986-08-25 Sansho:Kk スイツチド・キヤパシタ回路
JPS62160824A (ja) * 1985-12-30 1987-07-16 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション デイジタル−アナログ変換装置

Cited By (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
JPS5875912A (ja) * 1981-10-09 1983-05-07 旭化成マイクロシステム株式会社 スイツチ動作されるコンデンサを有する自動利得制御ル−プ
JPS58220523A (ja) * 1982-06-01 1983-12-22 ブルツクトリ−・コ−ポレ−シヨン デイジタル値とアナログ値との間の変換装置
JPS61191111A (ja) * 1985-02-19 1986-08-25 Sansho:Kk スイツチド・キヤパシタ回路
JPS62160824A (ja) * 1985-12-30 1987-07-16 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション デイジタル−アナログ変換装置

Also Published As

Publication number Publication date
JPS6210442B2 (enrdf_load_stackoverflow) 1987-03-06

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