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WO1994026037B1 - Circuits melangeurs auto-oscillants et leurs procedes - Google Patents

Circuits melangeurs auto-oscillants et leurs procedes

Info

Publication number
WO1994026037B1
WO1994026037B1 PCT/US1994/004590 US9404590W WO9426037B1 WO 1994026037 B1 WO1994026037 B1 WO 1994026037B1 US 9404590 W US9404590 W US 9404590W WO 9426037 B1 WO9426037 B1 WO 9426037B1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
frequency
oscillating
push
recited
Prior art date
Application number
PCT/US1994/004590
Other languages
English (en)
Other versions
WO1994026037A1 (fr
Filing date
Publication date
Priority claimed from US08/180,650 external-priority patent/US5465418A/en
Application filed filed Critical
Priority to AU68196/94A priority Critical patent/AU6819694A/en
Publication of WO1994026037A1 publication Critical patent/WO1994026037A1/fr
Publication of WO1994026037B1 publication Critical patent/WO1994026037B1/fr

Links

Abstract

On utilise des circuits mélangeurs (10) auto-oscillants dans des systèmes de communication. Les circuits comprennent un amplificateur symétrique (40) destiné à amplifier un signal ayant une première fréquence afin de produire un signal amplifié, une boucle de réaction couplée à l'amplificateur symétrique (40) afin de déphaser le signal amplifié pendant chaque demi-cycle de l'amplificateur symétrique, créant ainsi un signal de sortie oscillant, ainsi qu'un élément mélangeur (70) destiné à coupler le signal oscillant au signal ayant la première fréquence, mélangeant ainsi le signal ayant la première fréquence au signal oscillant afin de produire un signal ayant une seconde fréquence. Les circuits décrits par l'invention présentent des transistors (80, 90, 120, 130) dont le fonctionnement est proche de celui du mode de la classe B afin d'obtenir une conversion de fréquence optimale avec une consommation de puissance minimale. Ces circuits trouvent par conséquent application dans n'importe quel système du type communication nécessitant un convertisseur de fréquence.
PCT/US1994/004590 1993-04-29 1994-04-25 Circuits melangeurs auto-oscillants et leurs procedes WO1994026037A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU68196/94A AU6819694A (en) 1993-04-29 1994-04-25 Self-oscillating mixer circuits and methods therefor

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US5471793A 1993-04-29 1993-04-29
US08/054,717 1993-04-29
US08/180,650 US5465418A (en) 1993-04-29 1994-01-13 Self-oscillating mixer circuits and methods therefor
US08/180,650 1994-01-13

Publications (2)

Publication Number Publication Date
WO1994026037A1 WO1994026037A1 (fr) 1994-11-10
WO1994026037B1 true WO1994026037B1 (fr) 1994-12-22

Family

ID=26733393

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1994/004590 WO1994026037A1 (fr) 1993-04-29 1994-04-25 Circuits melangeurs auto-oscillants et leurs procedes

Country Status (3)

Country Link
US (1) US5465418A (fr)
AU (1) AU6819694A (fr)
WO (1) WO1994026037A1 (fr)

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