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Matches 401 - 450 out of 1,844

Document Document Title
JP2015154191A
To appropriately cope with temperature and voltage changes even in a case where a reference oscillation frequency due to a change with age varies, without increasing the number of steps and cost in manufacture at a factory.An electronic ...  
JP2015154237A
To provide a digital temperature compensated oscillator which has a high resolution and prevents an output frequency from being varied by long-term deterioration or a temperature drift.The digital temperature compensated oscillator inclu...  
JP2014068316A5  
JP2015139095A
To provide a clock data recovery (CDR) circuit which reduces timing deviation of an adjusted reproduction clock signal.A CDR circuit 1 includes a phase comparison circuit 10, a clock signal generation part 13, a phase combination circuit...  
JP5755443B2  
JP2015119378A
To provide a high-stable oscillator that allows obtaining extremely high frequency stability by controlling the temperature of a vibrator, being easily adjusted, and being manufactured at low cost.A high-stable oscillator includes: a fir...  
JP2013236268A5  
JP5737834B2  
JP2013214554A5  
JP2015068829A
To provide a signal generator that has individual oscillation corrected with respect to heat, respectively.A timing signal generator with a temperature correction function has: a quartz oscillator 112 that generates a reference time sign...  
JP2015068830A
To provide a signal generator that has individual oscillation corrected with respect to heat, respectively.A timing signal generator with a temperature correction function has: a quartz oscillator 112 that generates a reference time sign...  
JP5681399B2  
JPWO2012169205A
The returned type oscillating circuit containing a MEMS resonator and an amplifier and the voltage control part which controls the bias voltage impressed to the vibrator of a MEMS resonator, It has an automatic-gain-control part which ou...  
JPWO2012169205A1
MEMS共振器と増幅器とを含んだ帰還型発 振回路と、MEMS共振器の振動子に印加す るバイアス電圧を制御する電圧制御部と、増 幅器からの出力を受け、該出力のレベル...  
JP2015027043A
To provide an oscillation device that suppresses an effect based on a temperature characteristic with high precision in a simple configuration.The oscillation device is configured to handle a differential signal depending on a difference...  
JP2014236398A
To provide a high quality oscillating device which reduces an ambient temperature difference between an oscillator and a control part and suppresses variations in the frequency control voltage due to temperature characteristics of the co...  
JP5633866B2  
JP5628436B2  
JP5613581B2  
JP2014200012A
To provide a crystal oscillator (OCXO), generating a temperature detection value on the basis of a signal corresponding to difference between oscillatory frequencies of a first and a second crystal oscillators, capable of optimizing the ...  
JP2014200011A
To suppress degradation in a phase noise characteristic caused by fluctuations in digital values, in a TCXO that generates temperature detection values as digital values on the basis of a signal corresponding to difference between oscill...  
JP2014191808A
To provide a temperature controller capable of highly accurately and easily setting a threshold value corresponding to a state where proper temperature control is not performed.The temperature controller controls temperature of heated bo...  
JP2014192578A
To provide a technology capable of notifying the exterior of a time point when an oscillation frequency of an oscillation device after power-on is stabilized, with high accuracy, in an oscillation device including an oscillator with a co...  
JP5590174B2  
JP2014168164A
To successfully maintain an MER of a broadcast RF signal without being affected by temperature variation and the like of an oscillation output from a voltage-controlled oscillator that becomes a base of an IFFT clock.An IFFT clock adjust...  
JP2014168220A
To obtain high stability for the output frequency in an OCXO, by controlling the atmospheric temperature of a quartz oscillator and an oscillation circuit with high accuracy.When the oscillation outputs of first and second quartz oscilla...  
JP5573781B2  
JP5565349B2  
JP5528944B2  
JP2014068316A
To provide an oscillator capable of acquiring an oscillation output of high frequency stability in the oscillator including a crystal oscillator (OCXO) for detecting the ambient temperature of a quartz resonator, controlling a heating un...  
JP5426316B2  
JP5424473B2  
JP5420235B2  
JP2014029679A
To prevent an operation parameter from being uselessly rewritten, for example, about a frequency synthesizer being an electronic apparatus, and to enable a user to rewrite a portion of operation parameters.To store an operation parameter...  
JP2014017804A
To shorten a testing time required to correct an oscillation frequency of an oscillator.A heater section 2 and oscillators 3a, 3b are provided in a semiconductor chip 1. A counter 4 counts an oscillation signal Svar of the oscillator 3a....  
JP5398200B2  
JP2013546228A
A resonator of a VCO includes a fine tuning main varactor circuit, an auxiliary varactor circuit, and a coarse tuning capacitor bank circuit coupled in parallel with an inductance. The main varactor circuit includes a plurality of circui...  
JP2013545354A
Disclosed are microelectromechanical system (MEMS) devices and methods of using the same. In some embodiments, a MEMS device comprises a micro-oven comprising a MEMS oscillator configured to generate a reference signal. The device furthe...  
JP5368626B2
A frequency-voltage converting circuit 13 is composed of a switch unit including switches SW1 and SW2, electrostatic capacitive elements C and C10 to C13, and switches CSW0 to CSW3. The electrostatic capacitive elements C10 to C13 are co...  
JP5361228B2
A navigation-satellite receiver comprises a real-time clock that can be slaved to the highly accurate time base of the GPS system. During such times, the amount of correction and the operating temperature are both tracked. It is. assumed...  
JP2013236268A
To provide an oscillation device which achieves excellent oscillation characteristics over a long period and also achieves the downsizing and the simplification, and to provide an electronic device including the oscillation device.An osc...  
JP5329082B2
A Voltage Controlled Oscillator (VCO) in a battery-powered device, such as a cellular phone, can be configured to tune across a fairly wide frequency range using a relatively narrow control voltage range. The frequency response of the VC...  
JP2013217854A
To provide a frequency modulated oscillation source with reduced spurious output.A frequency modulated oscillation source of an embodiment includes; a voltage controlled oscillator with a modulation terminal and a temperature compensatio...  
JP2013214554A
To provide an atomic oscillator with excellent oscillating characteristics and to provide an electronic apparatus having the same.The atomic oscillator 1 includes a gas cell 21 in which gas-like alkali metal atoms are sealed; a light emi...  
JP2013214915A
To improve the frequency accuracy of an oscillating device (an on-chip oscillator).An oscillating device includes: an oscillation circuit 25 generating a clock signal CKOUT on the basis of a voltage VCNT; a control circuit 26 generating ...  
JP5319790B2
To provide a reference frequency generating device that can output a highly accurate reference frequency signal even if a reference signal becomes unable to be acquired. The reference frequency generating device includes a synchronizatio...  
JP5309567B2
To provide an atomic oscillator that forms no extremely low temperature part on an internal surface of a gas cell in which a quantum absorber is enclosed and can accelerate stable gasification of the quantum absorber. The atomic oscillat...  
JP5310728B2
A synthesizer of the present invention includes: a synthesizer unit that outputs an oscillation signal based on a reference oscillation signal; a temperature detecting unit that detects a temperature; a time variation detecting unit that...  
JPWO2012017572A
It has a returned type oscillating circuit containing a MEMS resonator and an amplifier and an automatic-gain-control machine which controls a gain of an amplifier to keep a level of an output from an amplifier constant based on a level ...  
JPWO2012017572A1
MEMS共振器と増幅器とを含んだ帰還型発 振回路、および、増幅器からの出力を受けて 該出力のレベルに基づいて増幅器からの出力 のレベルを一定に保つように増幅器のゲ...  

Matches 401 - 450 out of 1,844