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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 574


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
7385452 Voltage controlled oscillator using capacitive degeneration Jun. 10, 2008
7382206 Voltage controlled oscillator with body of transistors bias control Jun. 3, 2008
7378709 Oscillator with a guard ring formed around an N well and constituent components integrally formed on the N well, on a semiconductor substrate May. 27, 2008
7375598 System and method for increasing radio frequency (RF)/microwave inductor-capacitor (LC) oscillator frequency tuning range May. 20, 2008
7375597 Low-noise fine-frequency tuning May. 20, 2008
7375601 Dual-band oscillator May. 20, 2008
7369007 Oscillating circuit for suppressing second harmonic wave May. 6, 2008
7365610 Push compensation in an oscillator Apr. 29, 2008
7362192 Low noise voltage-controlled oscillator Apr. 22, 2008
7362194 Oscillator circuit and L load differential circuit achieving a wide oscillation frequency range and low phase noise characteristics Apr. 22, 2008
7358824 Variable capacitance circuit arrangement Apr. 15, 2008
7345554 Integrable phase-locked loop including an acoustic resonator Mar. 18, 2008
7342464 Oscillator and a PLL circuit using the oscillator Mar. 11, 2008
7336134 Digitally controlled oscillator Feb. 26, 2008
7336138 Embedded structure circuit for VCO and regulator Feb. 26, 2008
7330083 Oscillator having voltage dividing circuit Feb. 12, 2008
7330082 Oscillator system, method of providing a resonating signal and a communications system employing the same Feb. 12, 2008
7327201 Semiconductor integrated circuit device and wireless communication device Feb. 5, 2008
7323947 Oscillator circuit Jan. 29, 2008
7323948 Vertical LC tank device Jan. 29, 2008
7321271 Voltage-controlled oscillator, radio communication apparatus and voltage-controlled oscillation method for reducing degradation of phase noise characteristic Jan. 22, 2008
7319368 Method and circuit arrangement for load modulation in a combination comprised of a transmitting and a receiving oscillator circuit Jan. 15, 2008
7317363 Frequency synthesizer Jan. 8, 2008
7312672 Local oscillating circuit for receiving high-band and low-band signal Dec. 25, 2007
7312670 Voltage controlled oscillator Dec. 25, 2007
7304548 Differential voltage controlled oscillator using complementary transistors cross-coupled in series, and transceiver using the same Dec. 4, 2007
7301411 Voltage-controlled oscillator circuit with analogue and digital actuation Nov. 27, 2007
7301405 Phase locked loop circuit 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
7292108 Voltage controlled oscillator for frequency synthesizer Nov. 6, 2007
7292113 Multi-octave band tunable coupled-resonator oscillator Nov. 6, 2007
7292119 Phase locked loop frequency synthesizer Nov. 6, 2007
7289003 Method and apparatus for amplitude control using dynamic biasing in a voltage controlled oscillator Oct. 30, 2007
7289002 Complementary metal oxide semiconductor 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
7271673 Voltage controlled oscillator (VCO) tuning Sep. 18, 2007
7271672 Voltage controlled LC tank oscillator Sep. 18, 2007
7271622 Quadrature voltage controlled oscillators with phase shift detector Sep. 18, 2007
7268630 Phase-locked loop using continuously auto-tuned inductor-capacitor voltage controlled oscillator Sep. 11, 2007
7268637 Low cost RF oscillator devices manufactured from conductive loaded resin-based materials 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

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










 
 
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