SE378721B - - Google Patents

Info

Publication number
SE378721B
SE378721B SE644772A SE644772A SE378721B SE 378721 B SE378721 B SE 378721B SE 644772 A SE644772 A SE 644772A SE 644772 A SE644772 A SE 644772A SE 378721 B SE378721 B SE 378721B
Authority
SE
Sweden
Application number
SE644772A
Inventor
E 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 SE378721B publication Critical patent/SE378721B/xx

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C1/00Amplitude modulation
    • H03C1/52Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/54Balanced modulators, e.g. bridge type, ring type or double balanced type
    • H03C1/542Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes
    • H03C1/545Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes using bipolar transistors
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3052Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3063Automatic 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/06Arrangements 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)
SE644772A 1971-05-18 1972-05-17 SE378721B (xx)

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
SE378721B true SE378721B (xx) 1975-09-08

Family

ID=25761147

Family Applications (1)

Application Number Title Priority Date Filing Date
SE644772A SE378721B (xx) 1971-05-18 1972-05-17

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
DE2124654B2 (de) 1973-06-07
DE2124655B2 (xx) 1973-10-11
DE2124654A1 (de) 1972-11-30
NL7206336A (xx) 1972-11-21
AU4074372A (en) 1973-10-11
NL149344B (nl) 1976-04-15
DE2124655C3 (de) 1974-05-09
DE2124654C3 (de) 1974-01-24
IT956263B (it) 1973-10-10
JPS5219950B1 (xx) 1977-05-31
AU459773B2 (en) 1975-04-10
DE2124655A1 (de) 1972-11-30
CH538785A (de) 1973-06-30

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