FR1390855A - Circuit for adjusting the gain of cascade transistorized amplifier stages - Google Patents

Circuit for adjusting the gain of cascade transistorized amplifier stages

Info

Publication number
FR1390855A
FR1390855A FR972421A FR972421A FR1390855A FR 1390855 A FR1390855 A FR 1390855A FR 972421 A FR972421 A FR 972421A FR 972421 A FR972421 A FR 972421A FR 1390855 A FR1390855 A FR 1390855A
Authority
FR
France
Prior art keywords
cascade
gain
adjusting
circuit
amplifier stages
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
FR972421A
Other languages
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 DEP31689A external-priority patent/DE1176718B/en
Priority claimed from DEP32278A external-priority patent/DE1186514B/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR972421A priority Critical patent/FR1390855A/en
Application granted granted Critical
Publication of FR1390855A publication Critical patent/FR1390855A/en
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 without distortion of the input signal
    • 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
    • H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
    • H03G11/002—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general without controlling loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/52—Automatic gain control
    • H04N5/53—Keyed automatic gain control
FR972421A 1963-04-27 1964-04-27 Circuit for adjusting the gain of cascade transistorized amplifier stages Expired FR1390855A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR972421A FR1390855A (en) 1963-04-27 1964-04-27 Circuit for adjusting the gain of cascade transistorized amplifier stages

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP31689A DE1176718B (en) 1963-04-27 1963-04-27 Circuit arrangement for controlling the amplification of transistor amplifier stages connected in series
DEP32278A DE1186514B (en) 1963-07-25 1963-07-25 Circuit arrangement for controlling the amplification of transistor amplifier stages connected in series
FR972421A FR1390855A (en) 1963-04-27 1964-04-27 Circuit for adjusting the gain of cascade transistorized amplifier stages

Publications (1)

Publication Number Publication Date
FR1390855A true FR1390855A (en) 1965-02-26

Family

ID=27211930

Family Applications (1)

Application Number Title Priority Date Filing Date
FR972421A Expired FR1390855A (en) 1963-04-27 1964-04-27 Circuit for adjusting the gain of cascade transistorized amplifier stages

Country Status (1)

Country Link
FR (1) FR1390855A (en)

Similar Documents

Publication Publication Date Title
AT299305B (en) Single stage transistor amplifier
FR86291E (en) Amplifier
BR6456877D0 (en) AMPLIFIER
CH416753A (en) Amplifier circuit
FR1390855A (en) Circuit for adjusting the gain of cascade transistorized amplifier stages
AT243855B (en) Parametric amplifier
FR1443492A (en) Circuit for automatic gain adjustment of low frequency amplifiers
DK116658B (en) Process for the preparation of therapeutically active 7α-methyl-Δ <5> -estrenes.
FR1398264A (en) Condenser microphone amplifier
FR1375310A (en) terminal stage for servo amplifier
FR3000M (en) New esters of acid-alcohols.
AT243341B (en) Circuit arrangement for controlling the gain of cascaded transistor amplifier stages
FR1384539A (en) Close setting of pancreatic targets
FR1399568A (en) Manufacture of epoxycyclooctane
AU293380B2 (en) Improvements in or relating to circuit arrangements for controlling the amplidication of cascade connected transistor amplifying stages
CH402952A (en) Amplifier
FR1487942A (en) Cascade of transistors for integrated circuit amplification
AU269782B2 (en) Improved transistor amplifier circuits
CH428843A (en) Push-pull amplifier stage
CA668067A (en) Transistor amplifier circuit
CA655279A (en) Transistor amplifier circuit
AU4367564A (en) Improvements in or relating to circuit arrangements for controlling the amplidication of cascade connected transistor amplifying stages
FR1375360A (en) Development of amplifiers for the deaf
CA664388A (en) Reflex transistor amplifier
AU3217763A (en) Improved transistor amplifier circuits