ES362530A1 - Un amplificador de ganancia controlada. - Google Patents

Un amplificador de ganancia controlada.

Info

Publication number
ES362530A1
ES362530A1 ES362530A ES362530A ES362530A1 ES 362530 A1 ES362530 A1 ES 362530A1 ES 362530 A ES362530 A ES 362530A ES 362530 A ES362530 A ES 362530A ES 362530 A1 ES362530 A1 ES 362530A1
Authority
ES
Spain
Prior art keywords
transistor
emitter
variable
base
gain
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
ES362530A
Other languages
English (en)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Publication of ES362530A1 publication Critical patent/ES362530A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
ES362530A 1968-01-17 1969-01-15 Un amplificador de ganancia controlada. Expired ES362530A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69850568A 1968-01-17 1968-01-17

Publications (1)

Publication Number Publication Date
ES362530A1 true ES362530A1 (es) 1970-09-01

Family

ID=24805551

Family Applications (1)

Application Number Title Priority Date Filing Date
ES362530A Expired ES362530A1 (es) 1968-01-17 1969-01-15 Un amplificador de ganancia controlada.

Country Status (8)

Country Link
US (1) US3538448A (es)
AT (1) AT311422B (es)
BE (1) BE726807A (es)
ES (1) ES362530A1 (es)
FR (1) FR1600317A (es)
GB (1) GB1249222A (es)
NL (1) NL6900710A (es)
SE (1) SE357476B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3641449A (en) * 1969-09-29 1972-02-08 Raytheon Co Variable impedance semiconductor network
US3731215A (en) * 1971-08-06 1973-05-01 Gen Electric Amplifier of controllable gain
JPS5710604B2 (es) * 1972-11-09 1982-02-27
JPS5329082Y2 (es) * 1973-08-08 1978-07-21
US3962650A (en) * 1973-11-21 1976-06-08 Motorola, Inc. Integrated circuit amplifier having controlled gain and stable quiescent output voltage level
US4132963A (en) * 1977-11-14 1979-01-02 National Semiconductor Corporation Gain controlled signal amplifier
US4275362A (en) * 1979-03-16 1981-06-23 Rca Corporation Gain controlled amplifier using a pin diode
FR2823031B1 (fr) * 2001-03-27 2003-07-04 St Microelectronics Sa Dispositif amplificateur a commutation de gain, en particulier pour un telephone mobile cellulaire

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002090A (en) * 1958-08-27 1961-09-26 Hazeltine Research Inc Automatic-gain-control system
GB888995A (en) * 1959-05-11 1962-02-07 English Electric Co Ltd Improvements in and relating to variable-gain electric signal amplifiers
US3447094A (en) * 1967-03-24 1969-05-27 Philco Ford Corp Ultralinear gain controllable amplifier
US3449686A (en) * 1967-05-29 1969-06-10 Us Navy Variable gain amplifier

Also Published As

Publication number Publication date
GB1249222A (en) 1971-10-13
DE1902126B2 (de) 1972-08-17
NL6900710A (es) 1969-07-21
BE726807A (fr) 1969-06-16
DE1902126A1 (de) 1969-09-04
US3538448A (en) 1970-11-03
FR1600317A (es) 1970-07-20
AT311422B (de) 1973-11-12
SE357476B (es) 1973-06-25

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