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变参数調相振盪器能按載頻的兩种不同相位來檢波、放大和存貯二进位数字信号,这就能在数字计算机系統中只用它这一种元件。可变电容的变参数元件工作頻率已經达千兆赫,因而为时鐘頻率达千兆赫的数字計算机打下基礎。本文叙述对可变电容調和振盪器的性能及可能的应用进行研究的結果。这項研究是以5兆赫集中参数可变电容的調相振盪器及4千兆赫微波可变电容調相振盪器的实驗工作为根据。文中描述元件的穩态性能,給出輸出电压与波泵电压、负載、調諧及頻率变化之間关系的特性曲綫。結果表明,这种元件对工作条件与参数值的合理变化很不敏感。 調相振盪器的暫态性能指明,元件能以若干不同方法撥动。文中討論五种工作方式,即相位引入、强制撥动、冲击產生、三穩工作及五条件撥动。这些工作方式对不同应用各有其特殊优点。目前已經得到的开关时間为信号頻率的3—10週; 元件的不同工作方式使它能在邏輯和存貯方面有不少种应用。为了说明元件的灵活性,举出隨机存取存貯器作为例証。
Variations Phase-modulated oscillators detect, amplify, and store binary digital signals at two different phases of the carrier frequency, making it possible to use only one such element in a digital computer system. Variable-capacitance variable-parameter components have been operating at frequencies up to gigahertz, laying the groundwork for digital computers with clock frequencies up to gigahertz. This article describes the results of studies on the performance and possible applications of variable capacitance tuned oscillators. This research is based on the experimental work of a 5 MHz phase-shift oscillator with variable capacitance and a 4 GHz microwave variable-capacitance phase-shift oscillator. The steady-state performance of the device is described in the paper, and the characteristic curve of the output voltage versus the pump voltage, load, tuning and frequency is given. The results show that such components are not sensitive to the reasonable changes in operating conditions and parameter values. The transient performance of the phase-modulated oscillator indicates that the component can be flipped in several different ways. The article discusses five ways of working, namely, the introduction of phase, forced toggle, the impact generated, three steady work and five conditions toggle. These working methods have their own special advantages for different applications. The switching times currently available are between 3-10 weeks for the signal frequency; different ways of operating the components allow it to have many applications in logic and storage. To illustrate the flexibility of the components, a random access memory is given as an example.