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Matches 651 - 700 out of 1,839

Document Document Title
JP2006510894A
The microwave circuit by which only the quantity determined by the modulating signal by which the distance measuring equipment of the radar base was equipped with the frequency generator which generates a microwave frequency signal, and ...  
JPWO2004040693A1
本発明は、非線形システムの出力信号を良好 に維持するために、出力信号に影響を及す複 数の素子のインピーダンスを高速に制御し得 る制御装置および制御方法を提供するこ...  
JP3744780B2  
JP2006033783A
To provide an integrated circuit including a crystal oscillator emulator.An integrated circuit comprises a first circuit that receives a clock signal. A first temperature sensor senses a first temperature. Non-volatile memory that commun...  
JP2006025040A
To provide a PLL synthesizer that can not only obtain excellent characteristics while noise from a PLL-IC side hardly enters a VCO, but also suppress an increase in current consumption due to a temperature rise.The PLL synthesizer 1 has ...  
JP2006014208A
To provide a crystal oscillator in which power consumption is suppressed and an oscillation frequency is stabilized with respect to a change of an ambient temperature.A substrate of ceramic or the like is provided in a package so as to s...  
JP3730984B2
To provide a function generating circuit operable at low voltage for a temperature-compensated crystal oscillator. First, second and third current conversion circuits 510, 520, 530 are cascade-connected, and current It2 proportional to t...  
JP2005348034A
To provide a voltage-controlled oscillator which compensates the temperature characteristics of an SAW oscillator without increasing the power consumption.The voltage-controlled oscillator is composed of: a voltage-controlled SAW oscilla...  
JP2005533443A
A current control ring oscillator (300) uses the controlled single source of current, in order to supply current to each reversal stage (110) of this ring oscillator (300). The controlled current is dynamically adjusted so that a process...  
JP2005312059A
To improve an oscillator 100 in the aspect of phase jitter reduction or the like, and also to make the oscillator advantageous in space, the oscillator comprising a vibration circuit 102 comprised of vibration circuit inductance and firs...  
JP3710779B2
To perform correction with high accuracy by using a D/A converter with the number of bits low and suppressing quantization errors and to realize temperature correction at a low cost. An actual observation waveform of correction voltage r...  
JP2005277917A
To provide a crystal oscillator for reducing phase noise without using a thermostatic bath, promoting miniaturization and power saving (an initial target), and securing a start characteristic and oscillation.The crystal oscillation compr...  
JP2005278070A
To always accurately detect the end of the warm-up of an OCXO (oven controlled xtal oscillator) even in the case of a change in ambient environment.Power is supplied, a consumption current i is caused to flow to the OCXO 1 through a curr...  
JP2005278057A
To provide an oscillator circuit for having a small variation in a refresh period in relation to variation in a detected temperature, and capable of enlarging a difference between a period at a higher temperature and a period at a lower ...  
JP2005260995A
To perform highly accurate correction by suppressing the occurrence of quantization error using a D/A converter which has a small number of bits, and to realize inexpensive temperature correction processing.A measured waveform of a corre...  
JP3689678B2
To provide a temperature-compensated crystal oscillator which reduces the height of a product. The temperature-compensated crystal oscillator 40 comprises a first substrate structure 41 composed of at least one substrate with a cavity fo...  
JP3684109B2
To provide the voltage-controlled oscillator circuit which can output clock signals of precise oscillation frequencies stably in a low-frequency range to a high-frequency range, even if the oscillation frequency of a voltage- controlled ...  
JP2005176357A
To provide temperature compensation for a variable frequency oscillator without reducing a pull range.A variable frequency oscillator having multiple, independent frequency control inputs, each coupled to a respective tuning sub-circuit ...  
JP2005175848A
To provide a surface-mounting piezoelectric oscillator in which an IC component constituting an oscillation circuit or the like is assembled and integrated outside the package of a piezoelectric vibrator, where a metal lid which is conve...  
JP2005516519A
The radio transceiver contains the transmitter which has a harmonics prevention mixer and RF output phase locked loop in 2 step upper part conversion architecture, and the direct conversion receiver. A transmitter The local oscillator fo...  
JP2005130372A
To provide a function generator circuit capable of evaluating its temperature characteristics at a predetermined temperature, and to provide a temperature characteristic control method therefor.The function generator circuit comprises a ...  
JP2005102323A
To provide an oscillator in which a frequency shift of an oscillation circuit is varied by a connected load.A temperature compensation circuit 20 comprises an AFC adjustment circuit 30 connected to a control input terminal 34, a temperat...  
JP2005094427A
To prevent EVM and a transmission spectrum from being deteriorated by a change in the KV characteristics of an oscillation circuit for transmission following a temperature change, when incorporating the oscillation circuit for transmissi...  
JP2005509315A
The oscillator which suits a digital signal clock synchronizer and in which frequency adjustment is possible, The crystal oscillator circuit which has a voltage variable control input which generates a drive signal and adjusts the freque...  
JP3636385B2
PURPOSE: To provide an improved type soundness indicator of a perishable product. CONSTITUTION: A first oscillator 11 to output the first clock signal which is hardly change by the temperature is included. A second oscillator 15 outputs ...  
JP2005065224A
To allow heater resistors not only to heat a piezoelectric vibrator but also to indirectly heat oscillating circuit parts efficiently by bringing the heater resistors mounted on a flexible printed circuit board in close contact with one ...  
JP2005503707A
The first input terminal (1) combined in order to receive the first input signal (D), While comparing respectively with the frequency of the second input signal (CLK), or a phase the second input terminal (2) combined in order to receive...  
JP2005502227A
The method for the frequency which adjusts FE dielectric adjustment antenna and a wireless communication antenna is offered. The step in which this method forms a radiant surface (106), and the step which forms the dielectric which has a...  
JPWO2003021765A1
発振器10は、温度補償回路30及び40と 、周波数調整回路50と、初期偏差補正回路 60とを備え、メモリ90に記憶される制御 データDCに基づいてスイッチSW1〜...  
JP2004536287A
The narrow-band resonant circuit (610*620) for measuring the loss of a tunable ferroelectric component (610*614) and a ferroelectric component is indicated. A ferroelectric component may be the capacitor united with the resonant circuit....  
JP2004320721A
To provide an oscillation circuit and method for controlling the oscillation circuit capable of ensuring a required oscillation frequency band, even when the variable width of the oscillated frequency from the oscillation circuit driven ...  
JP2004304225A
To provide a temperature compensating cubic function generating circuit of a polygon approximation system which is capable of drastically reducing power consumption.The circuit is provided with a cubic function generating circuit 10 of a...  
JP2004303208A
To provide an oscillator in which counted accumulated running time can be stored so as not to be lost even when a power source is interrupted and electronic equipment using this.An oscillator to be operated with an external power source ...  
JP2004289877A
To provide an oscillation self-calibrating device for correcting oscillation clock signals.The oscillation self-calibrating device comprises frequency dividers (12, 16) for receiving oscillator clock signals (CLK R, CLK T) to output firs...  
JP2004531958A
A receiver adjusts the crystal oscillator of low cost with a temperature compensating profile, and the adaptation algorithm for generating temperature, initial tolerance, and master reference frequency exact in spite of the aging process...  
JP2004282292A
To provide a high frequency oscillator capable of easily correcting the oscillated frequency even in modulating by an optional frequency modulation width.An oscillated signal outputted from a VCO 1 is transmitted through a transmission l...  
JP2004282118A
To provide a frequency correction method and apparatus for always preventing the frequency of an oscillator from changing by temperature variations and over aging and keeping it within a proper range and to provide a mobile terminal capa...  
JP2004279039A
To output an accurate sensor signal even when a supply voltage is fluctuated.This device has a constitution wherein, when an A/D conversion circuit 7 generates and outputs digital data, a constant voltage is applied from a constant volta...  
JP2004272882A
To provide a function generating circuit operable at low voltage for a temperature-compensated crystal oscillator.First, second and third current conversion circuits 510, 520, 530 are cascade-connected, and current It2 proportional to th...  
JPWO2004084403A
In the oscillator which has the fixed characteristic between physical quantity and the drift value of oscillating frequency, change of the characteristic is amended accommodatively and presumption of an oscillating frequency drift value ...  
JP2004530359A
The present invention offers the direct down conversion receiver which performs a phase shift filter and phase compensation. A DC offset detector detects the DC offset of the received baseband signal, and offers a feedback signal. A tuna...  
JP2004530360A
The present invention offers the Chu Nabeul ferroelectricity multiplexer for using in a CDMA communication device. Since the resonance frequency of some resonators used by a multiplexer is tuned up and the form of the frequency response ...  
JP2004529558A
The voltage control type oscillator which incorporates a ferroelectricity capacitor in a resonant circuit is offered in order to offer the control voltage / capacitance relation between better phase noise performance performance and alig...  
JP2004526356A
[Subject] Although it has a means for raising the temperature dependency of vibrational frequency, offer LC oscillator in which this vibrational frequency is determined without being dependent on technology. [Solution means] The oscillat...  
JP2004526379A
About [reverse] F dielectric antenna is offered. This antenna is equipped with counterpoise or the grounding plane 102, and the reverse F structure radiator 104 that has the 1st end 106 connected to counterpoise. Usually, the fixed diele...  
JP2004524770A
The present invention quantifies and reduces the loss in the Chu Nabeul band pass filter which has a ferroelectric capacitor. If the Q value of the demanded insertion loss and a resonator is given, since the geometric loss produced as a ...  
JP2004524778A
The present invention offers the low loss Chu Nabeul matching circuit of rf frequency. A ferroelectric material is used in order to generate the low loss Chu Nabeul capacitor and inductor for using in a matching circuit. The capacitor an...  
JP3551351B2
To provide a PLL(phase-locked loop) device capable of preventing the deviation of the locking of the PLL due to a temp. change and also capable of generating the reference voltage of its own with high accuracy with a resolution finer tha...  
JP2004205244A
To implement a highly accurate electronic timepiece by correcting both rate changes to temperatures and rate changes to humidity variations due to weather transitions and the ambient environment of the timepiece.The electronic timepiece ...  
JP2004208270A
To operate a crystal oscillator with low power by making a temperature compensator for a digital crystal oscillator into one chip.A temperature offset code is subtracted from a present temperature, a memory address storing information re...  

Matches 651 - 700 out of 1,839