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| Number | Title | Issue Date |
| 7414482 | Resonance mode selection using a resonator-synchronized second-order oscillator A resonator-synchronized oscillator for resonance mode selection is disclosed. In one embodiment, the resonator-synchronized oscillator comprises an oscillation loop, at least one capacitor switching circuit coupled to the oscillation loop, and a multi-mode resonato... | 08/19/2008 |
| 7391840 | Phase locked loop circuit, electronic device including a phase locked loop circuit and method for generating a periodic signal A phase locked loop (PLL) circuit (1) comprising a loop input (11); a phase detector section (2) for detecting a phase difference between an input signal and a reference signal. The phase detector section (2) has a detector input connected to th... | 06/24/2008 |
| 7146140 | Quadrature oscillator and methods thereof Briefly, exemplary embodiments of the invention may provide devices and methods to provide precise and/or low phase-noise quadrature oscillation signals. A quadrature oscillator in accordance with an exemplary embodiment of the invention may include, for example, a ... | 12/05/2006 |
| 7098710 | Multi-speed delay-locked loop A delay locked loop includes a primary delay line having a plurality of series-connected delay elements, wherein each of the delay elements operates in response to a supply voltage provided on a voltage supply line. When the delay locked loop is configured to operat... | 08/29/2006 |
| 6504441 | Voltage controlled oscillator with selectable frequency range A frequency sweep voltage controlled oscillator (VCO), with a selectable range of output frequencies is provided. The VCO includes a frequency range circuit to accept an input signal, differentially delay the signal, and selectably sum the delayed signals... | 01/07/2003 |
| 6396360 | Method and circuitry for implementing an inductor-capacitor phase interpolated voltage-controlled oscillator Method and circuitry for implementing an inductor-capacitor voltage-controlled oscillator with improved overall performance. In an exemplary embodiment, the present invention includes two phase shifters and an interpolator. The two phase shifters are coup... | 05/28/2002 |
| 5546056 | Injection-locked oscillator having non-reciprocal four port network An injection-locked oscillator having a non-reciprocal four-port network with a pair of input ports (1, 2) and a pair of output ports (3, 4) in which the signal transfer path from a first input port (1) to a first output port (3) is non-reciprocal, the si... | 08/13/1996 |
| 5148125 | Dielectric constant monitor Monitoring of the average dielectric constant in an extended volume of a medium such as soil is achieved using an oscillator incorporating a transmission line to be embedded in the medium. The transmission line is connected as the feedback loop of an ampl... | 09/15/1992 |
