CH538785A - Schaltungsanordnung zur klirrarmen Regelung der Ausgangsspannung eines Frequenzerzeugers - Google Patents

Schaltungsanordnung zur klirrarmen Regelung der Ausgangsspannung eines Frequenzerzeugers

Info

Publication number
CH538785A
CH538785A CH167072A CH167072A CH538785A CH 538785 A CH538785 A CH 538785A CH 167072 A CH167072 A CH 167072A CH 167072 A CH167072 A CH 167072A CH 538785 A CH538785 A CH 538785A
Authority
CH
Switzerland
Prior art keywords
low
output voltage
circuit arrangement
frequency generator
distortion control
Prior art date
Application number
CH167072A
Other languages
German (de)
English (en)
Inventor
Erhard Dr Steiner
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of CH538785A publication Critical patent/CH538785A/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/54—Balanced modulators, e.g. bridge type, ring type or double balanced type
    • H03C1/542—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes
    • H03C1/545—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes using bipolar transistors
    • 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
    • H03G3/3063—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 using at least one transistor as controlling device, the transistor being used as a variable impedance device
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Amplitude Modulation (AREA)
CH167072A 1971-05-18 1972-02-04 Schaltungsanordnung zur klirrarmen Regelung der Ausgangsspannung eines Frequenzerzeugers CH538785A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712124654 DE2124654C3 (de) 1971-05-18 1971-05-18 Schaltungsanordnung zur Steuerung der Mischverstärkung eines aktiven Gegentaktmodulator
DE19712124655 DE2124655C3 (de) 1971-05-18 1971-05-18 Klirrarmer Frequenzerzeuger

Publications (1)

Publication Number Publication Date
CH538785A true CH538785A (de) 1973-06-30

Family

ID=25761147

Family Applications (1)

Application Number Title Priority Date Filing Date
CH167072A CH538785A (de) 1971-05-18 1972-02-04 Schaltungsanordnung zur klirrarmen Regelung der Ausgangsspannung eines Frequenzerzeugers

Country Status (7)

Country Link
JP (1) JPS5219950B1 (xx)
AU (1) AU459773B2 (xx)
CH (1) CH538785A (xx)
DE (2) DE2124655C3 (xx)
IT (1) IT956263B (xx)
NL (1) NL149344B (xx)
SE (1) SE378721B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4989594A (xx) * 1972-12-26 1974-08-27
US4337444A (en) * 1978-10-10 1982-06-29 Atari, Inc. Radio frequency oscillator-modulator circuit
JPS61177006A (ja) * 1985-01-31 1986-08-08 Sony Corp Ａｍ変調器
DE4324304B4 (de) * 1993-07-20 2005-01-27 Harman Becker Automotive Systems (Becker Division) Gmbh Verfahren zur Unterdrückung von Empfangsstörungen in einem FM-Empfänger

Also Published As

Publication number Publication date
DE2124654C3 (de) 1974-01-24
IT956263B (it) 1973-10-10
AU4074372A (en) 1973-10-11
DE2124655B2 (xx) 1973-10-11
DE2124654B2 (de) 1973-06-07
DE2124655A1 (de) 1972-11-30
JPS5219950B1 (xx) 1977-05-31
DE2124655C3 (de) 1974-05-09
NL7206336A (xx) 1972-11-21
NL149344B (nl) 1976-04-15
DE2124654A1 (de) 1972-11-30
SE378721B (xx) 1975-09-08
AU459773B2 (en) 1975-04-10

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Legal Events

Date Code Title Description
PL Patent ceased