ES449248A1 - Mejoras en la construccion de amplificadores con medida de transmision regulable y linea caracteristica de maniobra conmutable. - Google Patents

Mejoras en la construccion de amplificadores con medida de transmision regulable y linea caracteristica de maniobra conmutable.

Info

Publication number
ES449248A1
ES449248A1 ES449248A ES449248A ES449248A1 ES 449248 A1 ES449248 A1 ES 449248A1 ES 449248 A ES449248 A ES 449248A ES 449248 A ES449248 A ES 449248A ES 449248 A1 ES449248 A1 ES 449248A1
Authority
ES
Spain
Prior art keywords
impedance
amplifier
operating state
output
maneuvering
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
ES449248A
Other languages
English (en)
Spanish (es)
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs 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
Priority claimed from DE19752529031 external-priority patent/DE2529031C3/de
Priority claimed from DE19752546067 external-priority patent/DE2546067C2/de
Application filed by Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of ES449248A1 publication Critical patent/ES449248A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems

Landscapes

  • Arrangements For Transmission Of Measured Signals (AREA)
  • Amplifiers (AREA)
  • Arc Welding Control (AREA)
ES449248A 1975-06-28 1976-06-25 Mejoras en la construccion de amplificadores con medida de transmision regulable y linea caracteristica de maniobra conmutable. Expired ES449248A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19752529031 DE2529031C3 (de) 1975-06-28 1975-06-28 Verstärker mit steuerbarem Übertragungsmaß und umschaltbarer Steuerkennlinie
DE19752546067 DE2546067C2 (de) 1975-10-15 1975-10-15 Verstärker mit steuerbarem Übertragungsmaß und umschaltbarer Steuerkennlinie

Publications (1)

Publication Number Publication Date
ES449248A1 true ES449248A1 (es) 1977-07-16

Family

ID=25769086

Family Applications (1)

Application Number Title Priority Date Filing Date
ES449248A Expired ES449248A1 (es) 1975-06-28 1976-06-25 Mejoras en la construccion de amplificadores con medida de transmision regulable y linea caracteristica de maniobra conmutable.

Country Status (8)

Country Link
AT (1) AT353321B (de)
AU (1) AU498002B2 (de)
BR (1) BR7604154A (de)
DK (1) DK280976A (de)
ES (1) ES449248A1 (de)
FR (1) FR2317808A1 (de)
GB (1) GB1548692A (de)
SE (1) SE410256B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990006547A1 (en) * 1988-12-05 1990-06-14 Alcatel N.V. Voltage transducer
CN114305382B (zh) * 2021-12-28 2025-08-22 重庆金山医疗技术研究院有限公司 一种食道阻抗检测电路、装置和方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1320744A (en) * 1970-05-08 1973-06-20 Sits Soc It Telecom Siemens Frequency selective circuit
CA955532A (en) * 1971-04-16 1974-10-01 Masao Tomita Automatic noise reduction system

Also Published As

Publication number Publication date
SE7607247L (sv) 1976-12-29
FR2317808B1 (de) 1982-05-21
AU1450776A (en) 1977-12-08
AT353321B (de) 1979-11-12
DK280976A (da) 1976-12-29
ATA454176A (de) 1979-04-15
FR2317808A1 (fr) 1977-02-04
BR7604154A (pt) 1977-07-26
AU498002B2 (en) 1979-02-01
GB1548692A (en) 1979-07-18
SE410256B (sv) 1979-10-01

Similar Documents

Publication Publication Date Title
JPS5571400A (en) Monolithic power ic and acoustic unit
ES404359A1 (es) Un circuito amplificador para aumentar la amplitud de las senales transmitidas por una linea de transmision bidirec- cional de varios hilos.
GB1386668A (en) Variable equaliser
KR890017998A (ko) 스테레오 확대 회로 선택 스위치
GB1491885A (en) Active hybrid circuit
ES460048A1 (es) Dispositivo amplificador con medida de transmision regulabley linea caracteristica de regulacion conmutable.
HK19283A (en) Amplifier circuit arrangement
ES449248A1 (es) Mejoras en la construccion de amplificadores con medida de transmision regulable y linea caracteristica de maniobra conmutable.
GB1399399A (en) Attenuators
ES413099A1 (es) Dispositivo de transmision de senales.
ES384203A1 (es) Perfeccionamientos en aparatos electronicos que utilizan uncircuito de reactancia variable.
ES448501A1 (es) Mejoras en la construccion de amplificadores con medidas de transmision variable, especialmente para un sistema compan- der.
ES416643A1 (es) Una disposicion de circuito amplificador.
GB1337284A (en) Treble tone control in audio signal amplifier circuits
GB1223053A (en) Improvements in or relating to balanced to unbalanced coupling circuits
ES488456A1 (es) Una red de igualacion variable para cambiar las caracteris- ticas de amplitud de una senal
JPS5491166A (en) Differential amplifier circuit
JPS5478954A (en) Agc amplifier circuit
JPS5491034A (en) Variable attenuator circuit of voltage control type
GB1530941A (en) Amplifier arrangements including a differential amplifier
GB1103194A (en) Improvements in or relating to amplifier arrangements for high frequency signals
GB975834A (en) Parametric amplifiers
JPS5537045A (en) Hybrid circuit
JPS5578610A (en) Mixing circuit
GB1124351A (en) Improvements in or relating to electric circuits