An oscillator circuit with tuneable signal delay means

Details An oscillator circuit with tuneable signal delay means An oscillator circuit with tuneable signal delay means

H - Electricity

03

B

H03B 5/20 (2006.01)

Patent

CA 2545983

The invention discloses an oscillator circuit (100, 200, 300, 400), comprising an oscillating element (110, 210, 310, 410) and output means (115, 215, 315, 415) for outputting an oscillation frequency from the oscillating circuit. The circuit further comprises a signal delay means (120, 220, 320, 420) which is arranged in series with the oscillating element and feeds the output signal back to the oscillating element. The delay means is (120, 220, 320, 420) tuneable with respect to the delay it provides. The oscillating element can be an amplifier or a VCO, and the delay means can be a Delay Locked Loop or a tuneable delay line, depending on the embodiment of the invention.

La présente invention se rapporte à un circuit oscillant (100, 200, 300, 400), qui comprend un élément oscillant (110, 210, 310, 410) et un moyen de sortie (115, 215, 315, 415) destiné à produire une fréquence d'oscillation à partir du circuit oscillant. Le circuit selon l'invention comprend également un moyen de retard du signal (120, 220, 320, 420), qui est disposé en série avec l'élément oscillant et renvoie le signal de sortie vers l'élément oscillant. Le moyen de retard (120, 220, 320, 420) peut être syntonisé en fonction du retard qu'il fournit. L'élément oscillant peut être un amplificateur ou un VCO, et le moyen de retard peut être une boucle à retard de phase ou une ligne de retard syntonisable, en fonction du mode de réalisation de l'invention.

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