一、填空(本题25分) 1.把电压信号转换为电流输出的电路称 放大电路,A=1o/ 称 利用 放大电路可将电流信号转换为电压信号, 其增益表达式为 2.晶体三极管的输出特性曲线一般分为三个区,即: ,要使三极管工作在放大区必须给发射 结加_ 、集电结加

一、填空(本题25分) 1.对共射、共集和共基三种组态放大电路,若希望电压放大倍数大,可选用 组态;若希望带负载能力强,应选用 组态;若希望高頻性 能好,应选用 组态

Fundamental knowledg Quick Overview Kelperian 3 Laws First Law: ellipse, Sun is a focus Second law: the same area in same time Earth

Lesson 12: Internal Controls and Business Ethics Learning objectives 1.Explain the fundamental principles of internal control 2. Define, explain the purpose, and identify the principles of internal accounting control. 3. Apply internal control to cash. 4.Explain and record petty cash fund transactions

Outline The Fundamental Principles of Internal Control Internal Control to Cash Explain and Record Petty Cash Fund Transactions. Prepare a Bank Reconciliation Exploring the Concept of Accounting Ethics Accounting Ethics and Social Responsibilities Accounting Ethics and Decision Making

1. Prologue 2. Fundamental Concept 3. Linear Resistive Networks 4. Dependent Sources 5. Operational Amplifiers

Chap. 5.1 Introduction Chap. 5.2 The fundamental law of gearing Chap.5.3 Gear tooth nomenclature Chap. 5.4 Condition for Correct Meshing Chap. 5.5 Contact Ratio Chap.5.6 Interference and undercutting Chap. 5.7 Gear types and Application Chap. 5.8 Ordinary gear trains Chap.5.9 Epicyclic or planetary gear trains Chap. 5.10 Applications of gear train

一、概述 Introduction 二、齿廓啮合基本定律 Fundamental law of toothed gearing 三、渐开线齿廓齿轮传动 Involute-shape Gear Transmission 四、渐开线齿轮的加工 五、根切现象、最少齿数及变位齿轮 斜齿齿轮传动 Helical Gear Power Transmission 直齿圆锥齿轮传动 Straight Bevel Gear Power Transmission

The Production Possibilitiesin a Graph

第一节 光分析基础 fundamental of optical analysis 第二节 光谱法仪器与光学器件 instruments for spectro￾metry and optical parts an introduction to optical analysis