H - Electricity – 03 – L
Patent
H - Electricity
03
L
H03L 7/16 (2006.01) H03H 11/02 (2006.01) H03H 11/40 (2006.01) H03L 7/093 (2006.01) H03L 7/099 (2006.01) H03L 7/089 (2006.01) H03L 7/18 (2006.01)
Patent
CA 2105107
A voltage to current converter is formed of a first current steering mirror which includes first binary weighted current mirror transistors and receives an input voltage signal and converts it to an output current. The converter also is formed of a second current mirror which generates a selectable output current, the second current mirror being formed of second binary weighted current mirror transistors. The output currents of the first current steering mirror and second current mirror are added and the sum is provided to the control input of a current controlled oscillator which can be used in a phase locked loop.
Un convertisseur de tension en courant constitué d'un premier courant miroir à orientation qui comprend des transistors de courant miroir à pondération binaire et qui reçoit une tension d'entrée et la convertit en courant de sortie. Le convertisseur comprend aussi un deuxième courant miroir qui produit un courant de sortie réglable, ce deuxième courant miroir créé par d'autres transistors de courant miroir à pondération binaire. Les courants de sortie du premier courant miroir à orientation et le second courant miroir sont additionnés et le résultat fourni au contrôle d'entrée d'un oscillateur à commande par courant qui peut être employé dans une boucle de verrouillage de phase.
Chau Raymond
Colbeck Roger P.
Leung Simon C.f.
Seto Jim M.n.
Ati Technologies Inc.
Shapiro Cohen
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