| Document |
Document Title |
|
JPH08191215A |
PURPOSE: To easily improve the accuracy of this digital temperature compensated oscillator with simple constitution as necessary by generating a temperature compensating code in each temperature from a memory, D/A converting the code and...
|
|
JPH08506466A |
A modified temperature compensation signal (110) is provided in a temperature compensated crystal oscillator (TCXO) circuit (100) in the following manner. A temperature dependent current generator (104) produces a temperature compensatio...
|
|
JPH08161414A |
PURPOSE: To provide a circuit having a whole transmission function where temp. dependency of crystal, etc., is compensated by a drastically simple and small means. CONSTITUTION: The circuit is provided with the whole transmission functio...
|
|
JP2500507B2 |
PURPOSE: To obtain a temperature detecting circuit able to integrate within a small area and with small current consumption. CONSTITUTION: Temperature is detected on the basis of the following signal and output: a basic frequency signal ...
|
|
JPH08107348A |
PURPOSE: To realize a temperature compensation synthesizer oscillator having plural oscillators with high frequency stability by compensating frequency fluctuation due to temperature fluctuation in plural oscillators at once. CONSTITUTIO...
|
|
JPH0897636A |
PURPOSE: To make the size of an oscillator small and to reduce the cost by allowing a DC-DC converter to convert its received DC voltage into a DC voltage in response to the ambient temperature and providing an output of the voltage to a...
|
|
JPH0865284A |
PURPOSE: To provide the automatic phase controller which is stably operated even in the case of phase fluctuation caused by surrounding temperature fluctuation. CONSTITUTION: Pulse signals S37 and S38, which change polarities at their po...
|
|
JPH0821839B2 |
|
|
JPH0856151A |
PURPOSE: To reduce the deterioration in the frequency stability due to frequency secular change by updating original compensation data while monitoring secular characteristic change. CONSTITUTION: When a phase locked loop network and a V...
|
|
JPH0856156A |
PURPOSE: To suppress undesired frequency fluctuation during synchronization by inhibiting temperature compensation when a phase locked loop circuit network is in the synchronization state. CONSTITUTION: When the phase locked loop circuit...
|
|
JPH0817322B2 |
|
|
JPH0817325B2 |
|
|
JPH0846429A |
PURPOSE: To provide a method for controlling oscillation frequency of a digitally controlled oscillator circuit capable of easily using even a crystal oscillator whose frequency-temperature characteristics are substantially different fro...
|
|
JPH0846428A |
PURPOSE: To provide a digitally controlled oscillator circuit for sharing control parts in a portable telephone set and compensating the temperature of a crystal oscillator. CONSTITUTION: In this digitally controlled oscillator circuit 2...
|
|
JPH088643A |
PURPOSE: To improve the stability of oscillation frequency of a voltage-controlled oscillation device(VCO) against changes in ambient temperature. CONSTITUTION: In a circuit where the equivalent electrostatic capacity is varied by the os...
|
|
JPH08500220A |
PCT No. PCT/NL93/00135 Sec. 371 Date May 23, 1995 Sec. 102(e) Date May 23, 1995 PCT Filed Jun. 29, 1993 PCT Pub. No. WO94/03980 PCT Pub. Date Feb. 17, 1994.A temperature compensated oscillator circuit includes an oscillator (1) which is ...
|
|
JPH07120946B2 |
A phase locked loop circuit including a controllable oscillator, a phase detector for detecting a phase difference between an output signal of the oscillator and an input signal, and a control signal generator for generating a control si...
|
|
JPH07321644A |
PURPOSE: To compensate secular change in an oscillation frequency from a crystal oscillator digitally. CONSTITUTION: Oscillation frequency signal from a crystal oscillator 10 is counted by a frequency counter 26 based on a clock from a s...
|
|
JPH07312549A |
PURPOSE: To reduce the power consumption and to correct a clock signal properly by providing a basic clock source generating a reception reproduced clock signal and the correction device for frequency fluctuation of the basic clock signa...
|
|
JPH07297707A |
PURPOSE: To obtain a phase locked loop oscillator circuit with a small phase noise. CONSTITUTION: First and second thermisters compensating fluctuation of an AC voltage component in a phase comparison output signal 30 with respect to a t...
|
|
JPH07273543A |
PURPOSE: To attain stable oscillation even when any power supply is employed, to decrease oscillation start time and to reduce current consumption. CONSTITUTION: This oscillator is provided with a timer means 6 operated in interlocking w...
|
|
JPH07254818A |
PURPOSE: To provide the voltage controlled oscillator in which temperature fluctuation in a control characteristic is minimized and an excellent control characteristic is obtained with respect to each temperature. CONSTITUTION: An output...
|
|
JPH0787285B2 |
A microwave oscillator (11) stabilized by a dielectric resonator (12) constituted by a housing (13) accommodating the dielectric resonator circuit and haing a fixing surface (14) and by a support (15) having an outer surface (16) on whic...
|
|
JPH07245563A |
PURPOSE: To enable automatic frequency control even under a condition where ambient temperature changes by storing data for several positions in a storage device in advance within a frequency fluctuation range of a temperature compensati...
|
|
JPH07234161A |
PURPOSE: To provide a device for monitoring the body temperature, comprising a transmitter to be inserted into a cavity of the body, and a receiver unit physically separated from the transmitter. CONSTITUTION: A transmitter unit comprise...
|
|
JPH0779235B2 |
|
|
JPH0779209B2 |
PCT No. PCT/EP90/00058 Sec. 371 Date Jul. 12, 1991 Sec. 102(e) Date Jul. 12, 1991 PCT Filed Jan. 11, 1990 PCT Pub. No. WO90/08429 PCT Pub. Date Jul. 26, 1990.The invention relates to a temperature-stable transistorised tuned-circuit osci...
|
|
JPH07219673A |
PURPOSE: To make an internal timer highly precise while minimizing increases of the number of components and a system scale by generating frequency information by utilizing an AC power source and effectively utilizing it as a clock for i...
|
|
JPH07221640A |
PURPOSE: To perform the high-speed changeover of a frequency at all using temperatures by changing the offset voltage of a control voltage applied to a voltage controlled oscillator corresponding to an ambient temperature in a temperatur...
|
|
JPH07202644A |
PURPOSE: To attain a square wave oscillator which can be completely formed as an integrated circuit and is capable of reducing frequency variation against temperature changes. CONSTITUTION: An oscillation circuit provided with improved f...
|
|
JPH07176996A |
PURPOSE: To increase the maximum operating frequency, to reduce the temperature coefficient, and to decrease the operating power supply voltage. CONSTITUTION: A current controlled oscillator 20 constituted of an emitter coupled multivibr...
|
|
JPH0763145B2 |
|
|
JPH07162295A |
PURPOSE: To obtain a digital temperature compensating oscillator capable of accurately conducting temperature compensation even when storage capacity is small without requiring much operation for the preparation of temperature compensati...
|
|
JPH0732532U |
[Purpose] Providing a temperature detection circuit that takes a short time for temperature information to become indefinite when the power is turned on. [Constitution] It is composed of a first oscillator circuit 11, a second oscillator...
|
|
JPH0754905B2 |
|
|
JPH0748655B2 |
|
|
JPH0720965Y2 |
|
|
JPH07122935A |
PURPOSE: To reduce labor and time required for manufacture and adjustment and to lower a price by correcting an oscillation frequency in a device side processor based on information inside a memory. CONSTITUTION: The processor 16 supplie...
|
|
JPH0722254B2 |
A temperature compensated complementary metal-insulator-semiconductor oscillator receives a temperature independent reference voltage from an external source. The temperature independent reference voltage is attenuated and summed with a ...
|
|
JPH0718897B2 |
A temperature-compensated oscillator circuit includes an oscillation element (17) and a floating gate MOS variable capacitor (14) having a three-terminal structure comprising an injection terminal (TI), a capacitance terminal (TC) and a ...
|
|
JPH06342088A |
PURPOSE: To enable timing highly accurately temperature-compensated by conducting temperature measurement and the like with a temperature measurement circuit at every generation of timing signal. CONSTITUTION: Fundamental vibration of 32...
|
|
JPH0681146U |
[Purpose] Compensates for temperature drift without affecting the frequency modulation characteristics within the modulation cycle. [Constitution] A directional coupler 3 that extracts a part of the output signal of the voltage control o...
|
|
JPH06303032A |
PURPOSE: To obtain a desired oscillation frequency output even when the fluctuation of an oscillating frequency due to the change in the dispersion in the manufacture or the environmental condition is in existence in the oscillation circ...
|
|
JPH06292040A |
PURPOSE: To generate a corrected reference subcarrier and to generate a subcarrier phase locked to the corrected reference subcarrier even when a characteristic change takes place due to a temperature change in a band pass filter(BPF) ex...
|
|
JPH06276088A |
PURPOSE: To improve the reliability of the system clock circuit used for an electronic exchange, etc., by reducing the error of a system timer due to variation in ambient temperature. CONSTITUTION: A high frequency clock as a source cloc...
|
|
JPH06260837A |
PURPOSE: To reduce the power supply voltage dependency of an oscillation frequency by supplying a power supply voltage individually to high and low potential bias generation circuits included in a bias generating part, respectively. CONS...
|
|
JPH0633717Y2 |
|
|
JPH0667224B2 |
In a driving circuit for a piezoelectric ultrasonic motor (23) supplying driving signal from an astable oscillator (51), which comprises an oscillation IC (49), a capacitor (48) and charge-discharge resistors (45, 46, 47), is controlled ...
|
|
JPH0631771Y2 |
|
|
JPH0658623U |
[Constitution] The temperature-compensated oscillation circuit 21 and the frequency adjustment circuit 47 are provided, and the frequency adjustment circuit 47 adjusts the oscillation frequency of the crystal oscillation circuit 35 based...
|
