AU459773B2 - A low distortion contorl circuit for the output voltage of a frequency generator - Google Patents

A low distortion contorl circuit for the output voltage of a frequency generator

Info

Publication number
AU459773B2
AU459773B2 AU40743/72A AU4074372A AU459773B2 AU 459773 B2 AU459773 B2 AU 459773B2 AU 40743/72 A AU40743/72 A AU 40743/72A AU 4074372 A AU4074372 A AU 4074372A AU 459773 B2 AU459773 B2 AU 459773B2
Authority
AU
Australia
Prior art keywords
output voltage
frequency generator
low distortion
contorl
circuit
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
AU40743/72A
Other versions
AU4074372A (en
Inventor
Steiner Erhard
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.)
Siemens AG
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 AU4074372A publication Critical patent/AU4074372A/en
Application granted granted Critical
Publication of AU459773B2 publication Critical patent/AU459773B2/en
Expired legal-status Critical Current

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 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
    • H03G3/3063—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
AU40743/72A 1971-05-18 1972-04-04 A low distortion contorl circuit for the output voltage of a frequency generator Expired AU459773B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19712124654 DE2124654C3 (en) 1971-05-18 1971-05-18 Circuit arrangement for controlling the mixer gain of an active push-pull modulator
DE19712124655 DE2124655C3 (en) 1971-05-18 1971-05-18 Low-distortion frequency generator
DEDE82124/6 1971-05-18

Publications (2)

Publication Number Publication Date
AU4074372A AU4074372A (en) 1973-10-11
AU459773B2 true AU459773B2 (en) 1975-04-10

Family

ID=25761147

Family Applications (1)

Application Number Title Priority Date Filing Date
AU40743/72A Expired AU459773B2 (en) 1971-05-18 1972-04-04 A low distortion contorl circuit for the output voltage of a frequency generator

Country Status (7)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4989594A (en) * 1972-12-26 1974-08-27
US4337444A (en) * 1978-10-10 1982-06-29 Atari, Inc. Radio frequency oscillator-modulator circuit
JPS61177006A (en) * 1985-01-31 1986-08-08 Sony Corp Am modulator
DE4324304B4 (en) * 1993-07-20 2005-01-27 Harman Becker Automotive Systems (Becker Division) Gmbh Method for suppressing interference in an FM receiver

Also Published As

Publication number Publication date
NL149344B (en) 1976-04-15
JPS5219950B1 (en) 1977-05-31
CH538785A (en) 1973-06-30
SE378721B (en) 1975-09-08
DE2124654C3 (en) 1974-01-24
DE2124655B2 (en) 1973-10-11
NL7206336A (en) 1972-11-21
DE2124655C3 (en) 1974-05-09
AU4074372A (en) 1973-10-11
DE2124654B2 (en) 1973-06-07
IT956263B (en) 1973-10-10
DE2124655A1 (en) 1972-11-30
DE2124654A1 (en) 1972-11-30

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