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151) Important innovations included the Magnetron pulse generator, the klystron local oscillator, planar tubes (e. g. "lighthouse" tube), and semiconductor microwave mixer diodes - The list goes on and on.

152) As an example, a dynamic invariant is constructed for the generalized time dependent harmonic oscillator by employing the solution to the corresponding classical equations of motion.

153) By using a ring voltage controlled oscillator(VCO), chip area and production cost were saved.

154) A GaAs FET Oscillator stabilized by a dielectric resonator with a feedback loop has been developed.

155) The article to at89C51 monolithic integrated circuit chip, the crystal oscillator, various primary devices which as well as the pressed key control model involved has made the detailed introduction.

156) In this paper, experimental findings on the coaxial virtual cathode oscillator at Institute of Applied Electronics of CAEP are reported.

157) Piezoelectric vibrator and its fabricating method, piezoelectric oscillator, electronic apparatus and radio wave timepiece.

158) This applicationmodulates the threshold voltage and, thereby the time delay, of a free-running oscillator.

159) The formula of energy levels of three dimensional harmonic oscillator in the uniform magnetic field is derived.

160) The PLL2 phase detector is similar to the PLL1 detector and compares the line flyback pulse at HFLB (pin 1) with the oscillator sawtooth voltage.

161) The core circuit of local oscillator signal part, quadrature modulation part and frequency multiplier and amplifier part is designed and implemented.

162) He used a bulb in a Wien bridge oscillator circuit to solve the problem of how to regulate the output without causing distortion.

163) The local oscillator signal is mixed with the information - signal to change its frequency up or down.

164) Double wave function quantum theory is applied to describe the motion of three dimension isotropy charged harmonic oscillator in a uniform magnetic field.

165) From the generalized linear quantum transformation theory, we obtain the normal product form of evolution operator and the wave function for a time-dependent oscillator.

166) The ring oscillator is intended to serve as a clock generator or as a part of VCO that to be used in a mix-signal area.

167) Relations between interband transitions and harmonic oscillator model, and between optical properties and dimensionality are discussed.

168) The generalized even and odd coherent states (E-O CSs) of a finite-dimensional space non-harmonic oscillator are constructed, and their nonclassical properties are studied by numerical method.

169) Within a radiation shielded environment the fuze self heterodyne oscillator output with noise modulation interference has been sampled by a computer data collection system.

170) In the meantime, the paper illustrates the design of the analog circuit in this system using the example of a voltage controlled oscillator.

171) Low Frequency Oscillator waveform, including sine, triangle, square, random, and sawtooth.

172) The oscillator consists of two Colpitts VCOs and a transformer, it uses transformer coupling technique and differentially tuned MOS varactors for reducing phase noise.

173) The operating principle of quartz oscillator vacuum gauge and its characteristics of crystal oscillation are described and discussed.

174) Our understanding of why a domestic cat purrs is becoming more complete; most scientists agree that the larynx (voice box), laryngeal muscles, and a neural oscillator are involved.

175) This paper describes a method making use of microprocessor, analog to digital converter (A/D) ,(Sentencedict.com ) voltage controlled oscillator(VCO) to generate the function waveform.

176) Still further, a controller may be coupled to receive a control signalcorresponding to a variable impedance level, and control a local oscillator coupled to the mixer responsive to the control signal.

177) The article studies a simple method for any energy level of three dimensional harmonic oscillator in uniform magnetic field.

178) A relaxation oscillator is an oscillator in which a capacitor is charged gradually and then discharged rapidly.

179) Presented in this paper are the configuration and performances of a Q-band injection-locked Gunn oscillator with its output connected to a phase-locked reference source by a circulator.

180) As a key component of surface acoustic wave (SAW) gas sensor, the frequency stability of SAW oscillator affects directly the sensitivity and threshold detection level.