http://www.freshpatents.com/Oscillators-dtnewntc331.php USPTO Class 331 - Oscillators en-us Wed, 9 Jul 2008 07:38:44 -0700 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/Voltage-controlled-oscillator-for-maintaining-stable-oscillation-frequency-against-fluctuation-of-power-supply-voltage-dt20080703ptan20080157889.php Wed, 9 Jul 2008 07:38:44 -0700 A voltage controlled oscillator includes an L-C tank circuit configured to have a first capacitance that increases as a power supply voltage increases, and a capacitance compensation circuit configured to be connected in parallel with both terminals of the L-C tank circuit and to have a second capacitance that decreases... http://www.freshpatents.com/Voltage-tune-probe-an-integrated-circuit-and-a-phase-locked-loop-having-a-voltage-tune-probe-and-a-method-of-screening-an-integrated-circuit-employing-a-phase-locked-loop-thereof-dt20080703ptan20080157888.php Wed, 9 Jul 2008 07:38:44 -0700 An integrated circuit, a phase locked loop, a voltage tune probe and a method of screening an integrated circuit employing a phase locked loop thereof. In one embodiment, the integrated circuit includes: (1) an input/output port configured to provide an external interface for the integrated circuit, (2) a phase locked... http://www.freshpatents.com/Automated-real-time-frequency-band-selection-circuit-for-use-with-a-voltage-controlled-oscillator-dt20080703ptan20080157877.php Wed, 9 Jul 2008 07:38:44 -0700 An integrated circuit including a phase-locked loop (PLL) circuit responsive to a voltage controlled oscillator (VCO) frequency band selection circuit that provides automatic frequency band selection in real time to account for run-time variations, such as power supply and temperature variations over time. The PLL includes a charge pump and... http://www.freshpatents.com/Voltage-controlled-oscillator-having-independent-output-frequency-and-amplitude-dt20080703ptan20080157878.php Wed, 9 Jul 2008 07:38:44 -0700 In one embodiment, a voltage-controlled oscillator is provided having an output signal whose frequency is responsive to a tuning signal and is independent of amplitude of oscillation. The voltage-controlled oscillator includes: a plurality of differential inverter stages coupled to form a loop, each differential inverter stage having a differential pair... http://www.freshpatents.com/Decreasing-frequency-synthesizer-lock-time-for-a-phase-locked-loop-dt20080703ptan20080157879.php Wed, 9 Jul 2008 07:38:44 -0700 In an embodiment, a phase locked loop in which leakage current provided to a loop filter of the phase locked loop is adaptive during a calibration procedure involving more than one lock period. In some embodiments, a controller reads the leakage current from a look-up table. For some embodiments, reading... http://www.freshpatents.com/Temperature-compensated-loop-filter-dt20080703ptan20080157880.php Wed, 9 Jul 2008 07:38:44 -0700 Disclosed herein are embodiments of a temperature compensating solution to reduce changes in PLL damping factor that would otherwise occur with changes in temperature.... http://www.freshpatents.com/Automatic-frequency-calibration-dt20080703ptan20080157882.php Wed, 9 Jul 2008 07:38:44 -0700 Disclosed is a system and method for providing an oscillating signal of relatively precise frequency without using a signal provided by a crystal as a reference. Disclosed is a feedback oscillator circuit configured to output an oscillating signal having a frequency defined by a reference signal. The oscillating signal can... http://www.freshpatents.com/Digitally-controlled-analog-frequency-synthesizer-dt20080703ptan20080157881.php Wed, 9 Jul 2008 07:38:44 -0700 A frequency synthesizer according to the present invention digitally controls an analog oscillator to generate an analog output signal at a desired frequency. A digitizing circuit converts a feedback signal derived from the oscillator output signal to a digitized multi-phase feedback signal. A comparator compares the digitized multi-phase feedback signal... http://www.freshpatents.com/Local-oscillation-generator-with-mixer-having-reduced-signal-power-consumption-dt20080703ptan20080157883.php Wed, 9 Jul 2008 07:38:44 -0700 According to one exemplary embodiment, a local oscillation generator includes a mixing stage for receiving a primary frequency and one of a number of related frequencies. The local oscillation generator further includes a first transconductance stage to provide a first related frequency to the mixing stage when a first switch... http://www.freshpatents.com/Adaptive-frequency-calibration-device-of-frequency-synthesizer-dt20080703ptan20080157884.php Wed, 9 Jul 2008 07:38:44 -0700 An adaptive frequency calibration unit employing an N-target algorithm for a high speed automatic frequency calibration for CDMA application is provided. The adaptive frequency calibration device calibrating a frequency of a voltage controlled oscillator (VCO) bank of a phase-locked loop (PLL), the adaptive frequency calibration device includes: a reference frequency... http://www.freshpatents.com/Surface-mount-crystal-oscillator-dt20080703ptan20080157885.php Wed, 9 Jul 2008 07:38:44 -0700 The crystal oscillator has a configuration where circuit elements including a crystal unit are arranged on a mounting board comprising external terminals, opening end faces of a concave metal cover are made to touch the surface of the mounting board, clearances from the opening end faces are comprised in the... http://www.freshpatents.com/Oscillator-dt20080703ptan20080157886.php Wed, 9 Jul 2008 07:38:44 -0700 An oscillator includes: oscillation units (11 through 1n) outputting oscillation signals of different frequencies; a transmission line (15) to which outputs of the oscillation units (11, 12) are connected, the transmission line having a characteristic impedance corresponding to an output impedance of an output terminal (Tout); and a low-pass filter... http://www.freshpatents.com/Optical-pumping-device-and-method-dt20080703ptan20080157887.php Wed, 9 Jul 2008 07:38:44 -0700 A method for optical pumping of particles and a device for implementing same. The particles (14) are changed from one long lifetime level to another long lifetime level via a short lifetime level by means of interaction with light radiation (16) emitted by a laser source. Prior to this interaction,... http://www.freshpatents.com/Oscillator-dt20080703ptan20080157890.php Wed, 9 Jul 2008 07:38:44 -0700 The present invention is an oscillator including: first transistors outputting oscillation signals of different oscillation frequencies to collectors; a common node to which outputs of emitters of the first transistors are connected and input; a feedback circuit feeding an output of the common node to bases of the first transistors;... http://www.freshpatents.com/Oscillator-dt20080703ptan20080157892.php Wed, 9 Jul 2008 07:38:44 -0700 The present invention is an oscillator including: a first resonance circuit including a first variable capacitance diode having a cathode connected to a control terminal, a first capacitor and a first inductor connected between an anode of the first variable capacitance diode and ground; a second resonance circuit including a... http://www.freshpatents.com/Oscillator-with-darlington-nodes-dt20080703ptan20080157891.php Wed, 9 Jul 2008 07:38:44 -0700 A voltage-controlled oscillator has a resonance tank core providing a voltage-dependent resonance frequency, switching units connected with the resonance tank core for changing output voltage levels of the oscillator with a frequency corresponding to the resonance frequency of the resonance tank core. At least two of the switching units have... http://www.freshpatents.com/Noise-reduction-within-an-electronic-device-using-automatic-frequency-modulation-dt20080703ptan20080157893.php Wed, 9 Jul 2008 07:38:44 -0700 Disclosed is a system and method for providing an oscillating signal of relatively precise frequency without using a signal provided by a crystal as a reference. Disclosed is a feedback oscillator circuit configured to output an oscillating signal having a frequency defined by a reference signal. The oscillating signal can...