鍵控振蕩器 的英文怎麼說
中文拼音 [jiànkòngzhèndàngqì]
鍵控振蕩器
英文
keyed oscillator- 鍵 : 名詞1 [機械工程] (使軸與齒輪、皮帶輪等連接並固定在一起的零件) key 2 [書面語] (插門的金屬棍子)...
- 控 : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 蕩 : Ⅰ動詞1 (搖動; 擺動) swing; sway; wave 2 (無事走來走去; 閑逛) loaf; wander; roam; loiter; go a...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
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In this paper, the operation principle of the oscillator is analyzed first, from the point of view of theory the designs of crystal resonator and its equivalent circuit, crystal oscillator and thermostatic chamber are defined. the noise model of circuit is used to analyze key factors influencing phase noise of the crystal oscillator, in order to control phase noise of the crystal noise from the very beginning of the design
本文首先分析了振蕩器的工作原理,從理論的角度闡明了晶體諧振器及其等效電路、晶體振蕩器和恆溫箱的設計,利用電路的噪聲模型來分析影響晶體振蕩器相位噪聲的關鍵因素,從設計就開始控制晶振的相位噪聲,為更好地實現課題的目標打下良好的基礎。Analog temperature compensation crystal oscillator ( atcxo ) is widely used in electronic equipments such as communications, navigation, radar, mobile telephone, program control telephone, measure instruments etc. as their reference frequency source, it is critical part of the above equipments, called as their “ heart ”
模擬溫度補償晶體振蕩器( atcxo )廣泛應用於通信、導航、雷達、移動通信、程式控制電話、測量儀器等電子設備中。作為基準頻率源,它是上述電子設備的關鍵部件,被稱為此類電子設備的「心臟」 。A typical calculator chip from rcl semiconductor inc, c9821, is referenced and developed. the chip of the calculator consists of several function units such as rc oscillator, power management module, microprogrammed control unit ( mcu ), register group, lcd driver and keyboard interface
在硬體方面,在完成計算器的功能模塊劃分的基礎上,對包括rc振蕩器、電源模塊、 lcd顯示驅動模塊、鍵盤介面、寄存器組、微程序控制器在內的各個功能模塊的系統結構和電路原理進行了分析,掌握了它們的設計方法。The voltage - controlled oscillator and the dual - modulus prescaler are the most crucial blocks in the pll frequency synthesizer. two kinds of voltage - controlled oscillator ( the quadrature voltage - controlled oscillator based on symmetrical spiral inductors and differential varactors, and the voltage - controlled oscillator with wide tuning range based on mos varactors ) and two kinds of prescaler ( the prescaler using phase - switching techniques, and the prescaler using dynamic circuit techniques ) are proposed. then, the complete pll frequency synthesizer is implemented, in which
壓控振蕩器和雙模預分頻器是鎖相環型頻率合成器中最關鍵的兩個模塊,本論文分別實現了兩種類型的壓控振蕩器(採用對稱螺旋型電感和差分二極體型容抗管的正交壓控振蕩器和使用mos型容抗管的大調諧范圍壓控振蕩器)和兩種類型的雙模預分頻器(使用相位開關技術的雙模預分頻器和使用動態電路技術的雙模預分頻器) 。With the rapid advancement of process and technology, especially the realization of on - chip passive elements such as inductors and varactors, the on - chip implementation of voltage - controlled oscillators ( vcos ) which are necessary in wireless transceivers has become easy
在工藝技術的飛速進步下,尤其是電感和變容管等無源器件片上實現問題的解決,壓控振蕩器已經可以實現單片集成,這對降低收發機的成本十分關鍵。Voltage controlled oscillator ( vco ) is a key component of modern electronic equipments
壓控振蕩器( vco )是電子設備中的關鍵部件。A full - digital demodulation technique is introduced in this paper, which can make it easy and quick to design and achieve binary phase shift keying ( bpsk ) demodulator, and also can reduce the requirement of the oscillator frequency precision and the degree of stability of the receiver
本文介紹了一種適合於用數字信號處理器( dsp )實現的全數字解調技術。該技術能方便、靈活地設計實現二進制相移鍵控( bpsk )解調器,而且使用該技術可以大大降低對接收機本身的振蕩頻率精度和穩定度的要求。It is sticking point for optimizing the performance of pll to confirm the parameter of vco ( voltage controlled oscillator ) and properly design the loop filter
確定壓控振蕩器的各項指標、合理設計環路濾波器是優化環路性能的關鍵,本文對此作了比較詳細的分析。分享友人