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Matches 851 - 900 out of 23,899

Document Document Title
WO/2010/060204A1
A selectable local oscillator provides an output frequency signal having a selectable frequency within a desired output frequency range. The selectable local oscillator comprises first, second and third signal generators configured to pr...  
WO/2010/062621A1
Techniques for calibrating digitally controlled oscillators (DCOs) are disclosed. In one aspect of the disclosure, an initial set of control codes for operating the DCO with a coarse frequency tuning bank with multiple overlapping coarse...  
WO/2010/058212A2
A quadrature oscillator circuit (300) comprising first and second oscillator stages (301, 303), each of said first and second oscillator stages having a controllable amplitude, an output (309, 311, 321, 323) of each of said first and sec...  
WO/2010/058247A1
A frequency multiplier circuit (200), comprising a first stage including a first differential pair of amplifier elements (Q1, Q2) having respective current conduction paths connected in parallel between first and second nodes (202, 204) ...  
WO/2010/057520A1
In a self injection locked voltage controlled oscillator arrangement (1), a pair of coupled first and second voltage controlled oscillator devices (21,22) are arranged on a chip (2), an amplifier device (23) is arranged on the same of th...  
WO/2010/059450A1
A tunable transformer providing switched inductance includes a primary winding and a secondary winding. A switch is connected to the secondary winding of the transformer. At least one capacitor is also connected to the secondary winding ...  
WO/2010/059445A1
An oscillator having: a transistor; a resonant circuit coupled between an output electrode of the transistor and a control electrode of the transistor; and a dc bias circuit for the transistor. The dc bias circuit comprises: a voltage pr...  
WO/2010/056157A1
The invention discloses a frequency generator (100, 500) with an oscillator (110, 510) which is adapted to generate a signal output at a first frequency. The frequency generator (100, 500) also comprises a prescaler (120, 520) which uses...  
WO/2010/055619A1
Provided is a frequency synthesizer which can suppress degradation of the transmission performance when applied to a radio communication device which can switch the transmission power from one to another and execute transmission with an ...  
WO/2010/057037A2
Techniques for generating local oscillator (LO) signals are described. In one design, an apparatus may include a deskew circuit and a divider circuit. The deskew circuit may receive a differential input oscillator signal having timing sk...  
WO/2010/054099A1
A crystal oscillator (30) having a plurality of quartz crystals (10, 12) that are manufactured so that the directional orientation of the acceleration sensitivity vector (14, 16) is essentially the same for each crystal. This enables con...  
WO/2010/047113A1
The size of a surface acoustic wave resonator is reduced by improving the Q value. A surface acoustic wave resonator (1) is provided with an IDT (12), which has electrode fingers that excite surface acoustic waves, on a quartz substrate ...  
WO/2010/047112A1
The Q value is improved, and a surface acoustic wave resonator can be made smaller. In an surface acoustic wave resonator provided with an IDT that has electrode fingers that excite surface acoustic waves on a quartz substrate, the IDT i...  
WO/2010/047585A1
Oscillator circuit for generating an alternating voltage (VAC), comprising an oscillator according to a micro-electromechanical system (MEMS-oscillator) to be manufactured as integrated circuit and comprising at least a substrate on whic...  
WO/2010/047114A1
The Q-value of a surface acoustic wave resonator is improved to enable the miniaturization thereof. Provided is a surface acoustic wave resonator (1), in which an IDT (12) having electrode fingers (12a, 12b) for exciting surface acoustic...  
WO/2010/047115A1
The degradation of a Q value caused by thermo-elastic effect is suppressed. The first depth (d1) of a first groove portion (15) and the second depth (d2) of a second groove portion (16) are smaller than the distance between a surface inc...  
WO/2010/041209A1
An oscillator device comprises a resonator mass which is connected by a spring arrangement to a substrate and a feedback element for controlling oscillation of the resonator mass, which comprises a piezoresistive element connected betwee...  
WO/2010/040875A1
The system comprises at least one injection-tuned oscillator (O1) and at least one analog multiplier (Mx1) with an output (Mx1s1) connected to the input (O1e) of said oscillator (O1) for supplying it with an injection signal (V inj) resu...  
WO/2010/041752A1
Provided is a microwave-, milliwave-band, high-frequency pulse signal generation device which makes it possible to achieve a simpler structure, improved performance, smaller integration, easier design, lower power consumption, and lower ...  
WO/2010/041606A1
Provided are a hysteresis comparator and a noise generator which can significantly reduce the circuit size. Provided is also a probability resonator using the hysteresis comparator and the noise generator. When the voltage (Vs) at the ...  
WO/2010/042447A2
An oscillator circuit includes transistors that are cross-coupled through routing conductors in a first conductive layer. The oscillator circuit also includes a varactor, a capacitor, and an option conductor in a second conductive layer....  
WO/2010/040119A1
A tunable filter having an electronically tunable center frequency and dynamic bandwidth control over a large tuning range. High-Q continuously tunable evanescent-mode cavity resonators and filters using reliable RF MEMS actuators. One e...  
WO/2010/036980A1
Described herein are improved capabilities for a source resonator having a Q- factor Q1>100 and a characteristic size x1 coupled to an energy source, and a second resonator having a Q-factor Q2>100 and a characteristic size x2 coupled to...  
WO/2010/033079A1
A relaxation oscillator and a method for offset cancellation in a relaxation oscillator. The relaxation oscillator comprises two comparator units, each comparator unit comprising a comparator element and a memory element; and a switch co...  
WO/2010/032328A1
A PLL circuit comprising a phase comparator (4) for detecting a phase difference between a first signal and a second signal, a first oscillation circuit (1) for providing a standard signal to the phase comparator as the first signal, and...  
WO/2010/032384A1
In a circuit having a CMOS inverter (inversion amplifier) (IV02), the floating capacity generated by the circuit and a peripheral wire is defined to be Cs. A capacity element (Cg) is connected to the input side and a capacity element (C...  
WO/2010/029186A1
The present invention is directed to a self-adjusting gate bias network for field effect transistors in radio frequency applications. A bias network for field effect transistors is provided comprising a field effect transistor (1) having...  
WO/2010/006175A1
Apparatus and method for providing and using a highly precise and low level driver. In one described embodiment, a driver for a magnetic field generating device is provided, the driver including a first digital to analog converter and a ...  
WO/2010/002300A1
The present invention is directed to a crystal oscillator package comprising a current transporting structure comprising an inner conductor arrangement enclosed by an insulating material, a crystal oscillator configured to generate a sig...  
WO/2009/157208A1
A semiconductor module (10) is provided with: an element mounting substrate (12); a crystal oscillator (14) mounted on the element mounting substrate (12); a storing member (16) which has at least a part of the upper surface composed of ...  
WO/2009/156793A1
A voltage controlled oscillator (VCO) circuit (200) comprises a VCO resonator circuit (230) having a first plurality of varactors (232, 234) for varying a frequency of the VCO resonator circuit (230), the VCO resonator circuit being symm...  
WO/2009/154521A1
A frequency multiplier including some embodiments, the frequency multiplier includes: a first transistor and a second transistor, wherein a first terminal of the first transistor is connected to a third terminal of the second transistor ...  
WO/2009/145686A1
In a dual-band capable voltage-controlled oscillator (VCO) device at least two voltage-controlled oscillator units (VCO1, VCO2 ) are coupled via a reactive component (A) and each said at least one voltage-controlled oscillator unit (VCO1...  
WO/2009/142046A1
Provided are a piezoelectric oscillator, the frequency stability of which is high, and a detecting sensor using the piezoelectric oscillator. The piezoelectric oscillator (1) comprises a first oscillation area (105) which is provided, on...  
WO/2009/140585A2
An inductance enhanced rotary traveling wave oscillator is disclosed. Portions of the transmission line conductors are increased in length and run in parallel. Because the currents in these portions travel in the same direction, the indu...  
WO/2009/139102A1
Provided is a small-size and highly stable oscillator which can easily correct a frequency shift caused by a temperature fluctuation. The oscillator includes: an overtone crystal unit (11) of three or higher dimension; an oscillation cir...  
WO/2009/138816A1
The invention relates to an oscillator circuit (10) comprising: a VCO core (8) having an output terminal (56) for providing an oscillatory output signal thereat and having a supply terminal (60) for receiving a supply voltage from a volt...  
WO/2009/138817A1
A voltage-controlled oscillator (VCO) circuit (10) comprises an output terminal (24) for providing an oscillatory output signal thereat, a first inductor (32), a varactor (18), and a negative-resistance element (30). The varactor's capac...  
WO/2009/137372A1
An LVDS output is described herein that has wideband operation down to 2.5V without degrading spur performance or dramatically increasing die area. A current mirror used in a conventional LVDS output is eliminated in such as way as to re...  
WO/2009/130738A1
A ferromagnetic thin wire element uses a ferromagnetic thin wire incorporating a magnetic domain wall in which a magnetic moment at the center of the magnetic domain wall is directed in a direction perpendicular to the long axis directio...  
WO/2009/126374A2
Jitterless transition of the programmable clock waveform is generated employing a set of two coupled direct digital synthesis (DDS) circuits. The first phase accumulator in the first DDS circuit runs at least one cycle of a common refere...  
WO/2009/123708A1
The present invention provides a constant gm circuit that generates a bias current for a emitter/source-coupled multivibrator oscillator. The stable gm bias limits the temperature dependence of the oscillator. Trimming a resistor in the ...  
WO/2009/119042A1
A voltage controlled oscillator is provided with first and second variable capacity circuits (120, 130), and first and second capacity switch circuits (140, 150). A control potential Vt is fixedly applied to the first variable capacity c...  
WO/2009/118569A1
Apparatus comprising: a radio frequency (RF) Robinson oscillator comprising: a resonator comprising a sensor rhumbatron, the sensor rhumbatron comprising a cavity member, the cavity member having a re-entrant boss member, the re-entrant ...  
WO/2009/116262A1
A synthesizer (119) includes: a synthesizer unit (101) which generates a local oscillation signal (SL1) based on a reference oscillation signal (SREF1) outputted from a reference oscillator (102) having an MEMS transducer (114); a freque...  
WO/2009/113507A1
Provided is a package structure with further reduced planar size for a semiconductor device. The semiconductor device is provided with a first package (2) wherein a first element (1) is stored, and a second package (4) which is fixed ove...  
WO/2009/113927A1
A voltage controlled oscillator, VCO (200, 300, 400, 500, 600, 700, 800, 900) comprising a first bipolar transistor (110, 210, 410, 615, 705, 830, 925) and a first resonator (120; 405; 620, 640, 650; 732, 740, 745, 755; 805, 815, 825, 83...  
WO/2009/113657A1
Provided is an oscillator using a high-frequency crystal oscillator element which satisfies the excitation level required for the crystal oscillator element and can widen the variable frequency range. A limiter circuit (LM1), which has i...  
WO/2009/111374A2
A method for controlling a synthesized local oscillator (SLO) includes: receiving a control input specifying a desired SLO output; receiving reference clock signal; generating a predefined set of dynamic clock signals from the reference ...  
WO/2009/111038A1
An oscillator (102) includes bidirectional-injection technology to permit phase cancellation of coupled signals for phase injection of energy into the oscillator substantially in phase with the oscillator's internal energy. In an example...  

Matches 851 - 900 out of 23,899