JPS6221403B2 - - Google Patents

Info

Publication number
JPS6221403B2
JPS6221403B2 JP16366779A JP16366779A JPS6221403B2 JP S6221403 B2 JPS6221403 B2 JP S6221403B2 JP 16366779 A JP16366779 A JP 16366779A JP 16366779 A JP16366779 A JP 16366779A JP S6221403 B2 JPS6221403 B2 JP S6221403B2
Authority
JP
Japan
Prior art keywords
transistor
emitter
base
collector
resistor
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
JP16366779A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5586210A (en
Inventor
Ahatsutetsutaa Geruharuto
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.)
TDK Micronas GmbH
Original Assignee
Deutsche ITT Industries GmbH
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 Deutsche ITT Industries GmbH filed Critical Deutsche ITT Industries GmbH
Publication of JPS5586210A publication Critical patent/JPS5586210A/ja
Publication of JPS6221403B2 publication Critical patent/JPS6221403B2/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
    • H03H11/04Frequency selective two-port networks
    • H03H11/12Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1213Frequency selective two-port networks using amplifiers with feedback using transistor amplifiers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G5/00Tone control or bandwidth control in amplifiers
    • H03G5/02Manually-operated control
    • H03G5/04Manually-operated control in untuned amplifiers
    • H03G5/10Manually-operated control in untuned amplifiers having semiconductor devices
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G9/00Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/12Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • H03G9/14Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for gain control and tone control

Landscapes

  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Networks Using Active Elements (AREA)
JP16366779A 1978-12-18 1979-12-18 Monolithic integrated circuit increasing amplification factor according to reduction of frequency Granted JPS5586210A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2854704A DE2854704C2 (de) 1978-12-18 1978-12-18 Monolithisch integrierbare Schaltung mit größer werdender Verstärkung bei fallender Frequenz

Publications (2)

Publication Number Publication Date
JPS5586210A JPS5586210A (en) 1980-06-28
JPS6221403B2 true JPS6221403B2 (en]) 1987-05-12

Family

ID=6057577

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16366779A Granted JPS5586210A (en) 1978-12-18 1979-12-18 Monolithic integrated circuit increasing amplification factor according to reduction of frequency

Country Status (8)

Country Link
US (1) US4303891A (en])
JP (1) JPS5586210A (en])
DE (1) DE2854704C2 (en])
FR (1) FR2445066A1 (en])
GB (1) GB2038126B (en])
HK (1) HK25984A (en])
IE (1) IE49023B1 (en])
IT (1) IT1193346B (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2295287B (en) * 1992-10-28 1996-07-17 Plessey Semiconductors Ltd Wideband constant impedance amplifiers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3247462A (en) * 1963-08-19 1966-04-19 Tektronix Inc Balanced paraphase amplifier including a feed forward path
US4055818A (en) * 1976-04-09 1977-10-25 Motorola, Inc. Tone control circuit

Also Published As

Publication number Publication date
HK25984A (en) 1984-03-30
IT7928150A0 (it) 1979-12-18
US4303891A (en) 1981-12-01
JPS5586210A (en) 1980-06-28
GB2038126A (en) 1980-07-16
IE49023B1 (en) 1985-07-10
DE2854704C2 (de) 1981-02-26
GB2038126B (en) 1983-05-05
IT1193346B (it) 1988-06-15
IE792444L (en) 1980-06-18
DE2854704B1 (de) 1980-06-19
FR2445066B1 (en]) 1984-10-26
FR2445066A1 (fr) 1980-07-18

Similar Documents

Publication Publication Date Title
US3725583A (en) Volume and tone control for multi-channel audio systems
US2866859A (en) Audio amplifier bridge input circuits
US4956615A (en) Input circuit for high-frequency amplifiers
US4055818A (en) Tone control circuit
US5162751A (en) Amplifier arrangement
JPH0626287B2 (ja) 増幅装置
JPS6221403B2 (en])
JPS6341446B2 (en])
JPS631768B2 (en])
US4918400A (en) Amplifier circuit
JPS6017935Y2 (ja) 増幅器
JPH07176004A (ja) 特に磁気ヘッド用の低雑音前置増幅器段
JPH0326565B2 (en])
US4758798A (en) Output amplifier
JPS6122346Y2 (en])
JPS6259926B2 (en])
JP2623954B2 (ja) 利得可変増幅器
JPH0746763B2 (ja) 多段信号伝送装置
EP0182427B1 (en) Amplifier arrangement
JPS6336745Y2 (en])
JPS6325765Y2 (en])
JPH0332096Y2 (en])
JP2759156B2 (ja) 増幅回路
JPH0535606B2 (en])
JPH0241929Y2 (en])