Patent ID: 7768097
Filing Date: 2010-08-03
Classification: H01L

Abstract:
1. An oscillator circuit, comprising: an active oscillator having two output nodes; an inductor loop coupled to the output nodes; and at least one capacitive circuit coupled to one of the output nodes, said at least one capacitive circuit including a capacitor, a resistor, and a first switch, wherein said resistor provides a bias voltage to the capacitor when the first switch is open and wherein said first switch couples and decouples the capacitor to the output nodes of the active oscillator, and wherein the active oscillator and capacitive circuit are included in a semiconductor package which includes an integrated circuit chip, said inductor loop including: (a) first and second conductors connecting a first bonding pad on the chip to a first input/output pin of the package; (b) at least one of a third conductor and a fourth conductor connecting a second bonding pad on the chip to a second input/output pin of the package; and (c) a fifth conductor which connects the first input/output pin to the second input/output pin.