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Class Information
Number: 331/117FE
Name: Oscillators > Solid state active element oscillator > Transistors > L-c type > Field-effect transistor active element
Description:










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8031020 Bias circuit to reduce flicker noise in tunable LC oscillators Oct. 4, 2011
8022776 Origami cascaded topology for analog and mixed-signal applications Sep. 20, 2011
8022778 Low phase noise frequency synthesizer Sep. 20, 2011
8018292 Oscillator and communication system using the same Sep. 13, 2011
8018293 Configurable wide tuning range oscillator core Sep. 13, 2011
8008981 Multi-phase ultra-wideband signal generator using differential pulse oscillators and array thereof Aug. 30, 2011
7990227 Phased-locked loop (PLL) synthesizer-synthesizer with improved voltage-controlled oscillator (VCO) pre-tuning Aug. 2, 2011
7982548 Resonant oscillator with oscillation-startup circuitry Jul. 19, 2011
7982551 Voltage controlled oscillator having temperature detecting circuit Jul. 19, 2011
7978015 Oscillator with reduced phase noise characteristics Jul. 12, 2011
7961056 Low phase noise voltage controlled oscillator Jun. 14, 2011
7961058 Frequency divider using an injection-locking-range enhancement technique Jun. 14, 2011
7952444 CMOS power oscillator with frequency modulation May. 31, 2011
7928809 Semiconductor integrated circuit device Apr. 19, 2011
7928806 Low voltage frequency synthesizer using boosting method for power supply voltage of charge pump Apr. 19, 2011
7924110 Monolithic clock generator and timing/frequency reference Apr. 12, 2011
7920030 Multi-phase voltage-control oscillator Apr. 5, 2011
7915967 Frequency-tunable oscillator arrangement Mar. 29, 2011
7915968 Digitally controlled oscillator (DCO) Mar. 29, 2011
7911281 PLL circuit and radio communication apparatus Mar. 22, 2011
7911284 Voltage controlled oscillator Mar. 22, 2011
7907026 Broadband voltage controlled oscillator and method for generating broadband oscillation frequency Mar. 15, 2011
7907018 Phase noise minimized phase/frequency-locked voltage-controlled oscillator circuit Mar. 15, 2011
7902930 Colpitts quadrature voltage controlled oscillator Mar. 8, 2011
7902934 Variable inductor, and oscillator and communication system using the same Mar. 8, 2011
7893782 Voltage-controlled oscillator Feb. 22, 2011
7884677 Method and apparatus for reducing phase noise in an oscillator signal of a Colpitts oscillator Feb. 8, 2011
7884680 Dynamically adjustable Q-factors Feb. 8, 2011
7863994 System and method for increasing radio frequency (RF) microwave inductor-capacitor (LC) oscillator frequency tuning range Jan. 4, 2011
7847650 Low phase-noise oscillator Dec. 7, 2010
7821349 Cascode amplifier and differential cascode voltage-controlled oscillator using the same Oct. 26, 2010
7808335 Circuit arrangement and signal processing device Oct. 5, 2010
7800458 Wide-band voltage controlled oscillator Sep. 21, 2010
7791424 Crystal oscillator emulator Sep. 7, 2010
7782101 Injection-locked frequency divider Aug. 24, 2010
7772933 Multiple band oscillator system Aug. 10, 2010
7772934 Calibration of phase locked loop parameters based on static band information Aug. 10, 2010
7764127 High resolution digitally controlled oscillator Jul. 27, 2010
7760038 Voltage controlled oscillator capable of tuning negative resistance Jul. 20, 2010
7755440 Voltage controlled oscillator for controlling phase noise and method using the same Jul. 13, 2010
7755442 Receiver with colpitts differential oscillator, colpitts quadrature oscillator, and common-gate low noise amplifier Jul. 13, 2010
7741922 Switch, negative resistance cell, and differential voltage controlled oscillator using the same Jun. 22, 2010
7737797 Controllable oscillating system and related method for selectively adjusting currents passing through cross-coupling driving device Jun. 15, 2010
7733190 Oscillation circuit and oscillator Jun. 8, 2010
7728687 Negative resistance oscillator with additional bias current injection Jun. 1, 2010
7724099 High frequency oscillator circuit with feedback circuit of fet and short-stub transmission line May. 25, 2010
7724102 Oscillator circuit May. 25, 2010
7719375 Automatically calibrating frequency features of a phase locked loop May. 18, 2010
7710211 Injection-locked frequency divider with a wide injection-locked frequency range May. 4, 2010
7701303 Oscillator with Darlington nodes Apr. 20, 2010

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