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










Sub-classes under this class:

Class Number Class Name Patents
331/117D Distributed parameter resonator transistor oscillators 377
331/117FE Field-effect transistor active element 552


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Patent Number Title Of Patent Date Issued
7304548 Differential voltage controlled oscillator using complementary transistors cross-coupled in series, and transceiver using the same Dec. 4, 2007
7301405 Phase locked loop circuit Nov. 27, 2007
7301411 Voltage-controlled oscillator circuit with analogue and digital actuation Nov. 27, 2007
7301412 Variable capacity circuit and control method of variable capacity circuit Nov. 27, 2007
7298225 Signal modulated voltage controlled oscillator system Nov. 20, 2007
7292115 Method to differentially control LC voltage-controlled oscillators Nov. 6, 2007
7292113 Multi-octave band tunable coupled-resonator oscillator Nov. 6, 2007
7292108 Voltage controlled oscillator for frequency synthesizer Nov. 6, 2007
7292119 Phase locked loop frequency synthesizer Nov. 6, 2007
7289002 Complementary metal oxide semiconductor voltage controlled oscillator Oct. 30, 2007
7289003 Method and apparatus for amplitude control using dynamic biasing in a voltage controlled oscillator Oct. 30, 2007
7286024 Voltage-controlled oscillator with differential output Oct. 23, 2007
7283009 Dual band voltage-controlled oscillator Oct. 16, 2007
7279999 Automatic page detector Oct. 9, 2007
7276983 Frequency synthesizer with on-chip inductor Oct. 2, 2007
7274264 Low-power-dissipation CMOS oscillator circuits with capacitively coupled frequency control Sep. 25, 2007
7271672 Voltage controlled LC tank oscillator Sep. 18, 2007
7271673 Voltage controlled oscillator (VCO) tuning Sep. 18, 2007
7271622 Quadrature voltage controlled oscillators with phase shift detector Sep. 18, 2007
7268637 Low cost RF oscillator devices manufactured from conductive loaded resin-based materials Sep. 11, 2007
7268630 Phase-locked loop using continuously auto-tuned inductor-capacitor voltage controlled oscillator Sep. 11, 2007
7262670 Low thermal drift, tunable frequency voltage controlled oscillator Aug. 28, 2007
7259638 Voltage controlled oscillator and semiconductor integrated circuit for communication Aug. 21, 2007
7256660 CMOS LC-tank oscillator Aug. 14, 2007
7250826 Mutual inductance in transformer based tank circuitry Jul. 31, 2007
7245190 Transformer-based VCO for both phase noise and tuning range improvement in bipolar technology Jul. 17, 2007
7239209 Serially RC coupled quadrature oscillator Jul. 3, 2007
7230504 Controlled oscillator Jun. 12, 2007
7230503 Imbalanced differential circuit control Jun. 12, 2007
7227425 Dual-band voltage controlled oscillator utilizing switched feedback technology Jun. 5, 2007
7218182 Voltage controlled oscillator May. 15, 2007
7209010 Oscillator with tunable diffusion capacitance as resonant circuit capacitance Apr. 24, 2007
7209017 Symmetrical linear voltage controlled oscillator Apr. 24, 2007
7202754 Oscillator circuit and L load differential circuit achieving a wide oscillation frequency range and low phase noise characteristics Apr. 10, 2007
7196592 VCO circuit with broad tuning range and amplitude control Mar. 27, 2007
7193485 Method and apparatus for bi-planar backward wave oscillator Mar. 20, 2007
7193484 Voltage controlled oscillator apparatus Mar. 20, 2007
7190236 Apparatus and method of oscillating wideband frequency Mar. 13, 2007
7187246 Oscillator circuit Mar. 6, 2007
7187248 Differential oscillator having two sides, an integrated circuit including the differential oscillator, a mobile telephone including the differential oscillator, and method of operating the dif Mar. 6, 2007
7183870 Resonant circuit and a voltage-controlled oscillator Feb. 27, 2007
7183866 Methods and apparatuses for tuning voltage controlled oscillators Feb. 27, 2007
7180382 Wide band voltage controlled crystal oscillator Feb. 20, 2007
7176766 LC oscillator Feb. 13, 2007
7173500 Differential oscillator circuit Feb. 6, 2007
7170355 Voltage-controlled oscillator using current feedback network Jan. 30, 2007
7170356 Circuit with variable capacitance and method for operating a circuit with variable capacitance Jan. 30, 2007
7164323 Phase synchronous multiple LC tank oscillator Jan. 16, 2007
7164388 Low cost adjustable RF resonator devices manufactured from conductive loaded resin-based materials Jan. 16, 2007
7161442 Latch system comprising an action module to increase negative resistance Jan. 9, 2007

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17










 
 
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