CIRCUITO ELETTRONICO PER TRIPLICARE LA FREQUENZA, IN PARTICOLARE PER APPLICAZIONI IN RADIOFREQUENZA NELL'INTERVALLO DELLE ONDE MILLIMETRICHE

CIRCUITO ELETTRONICO PER TRIPLICARE LA FREQUENZA, IN PARTICOLARE PER APPLICAZIONI IN RADIOFREQUENZA NELL'INTERVALLO DELLE ONDE MILLIMETRICHE

In an embodiment, a circuit for tripling frequency is configured to receive an input voltage (Vin) having a sinusoidal shape and a base frequency. The circuit has a first and a second transistor pair that are cross-coupled, and a trans-characteristics f(Vin) approximating a polynomial nominal trans-...

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Bibliographische Detailangaben
Hauptverfasser: MAHDIPOUR PIRBAZARI, MAHMOUD, MAZZANTI, ANDREA, PALLOTTA, ANDREA
Format: Patent
Sprache:ita
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
GENERATION OF NOISE BY SUCH CIRCUITS
GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN ANON-SWITCHING MANNER
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Beschreibung
Zusammenfassung:In an embodiment, a circuit for tripling frequency is configured to receive an input voltage (Vin) having a sinusoidal shape and a base frequency. The circuit has a first and a second transistor pair that are cross-coupled, and a trans-characteristics f(Vin) approximating a polynomial nominal trans-characteristic given byf⁡(Vi⁢n)=(3A⁢Vi⁢n-4A3⁢Vi⁢n3)⁢gmwhere A represents an amplitude of the input voltage and gm is a transconductance of transistors of the first and second transistor pairs.