Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/6286
標題: 用具幾何意義的兩參數分析雙埠主動網路之穩定性
Use two Geometrical-derived Parameters to Analyze two Port Active Network Stability
作者: 倪旭揚
Ni, Hsu-Yang
關鍵字: stability;穩定;active network;geometrical parameter;S parameter;reflection coefficient;power gain;主動網路;幾何參數;S 參數;反射係數;功率增益
出版社: 電機工程學系
摘要: 
由於電路逐漸由低頻改為高頻操作模式,頻率操作範圍比從前廣,穩定的情況更多樣化,於是萌生此論文的研究動機,也就是為了要找到一個更廣範也更準確的討論,來分析此雙埠主動網路在任意可利用頻率下之穩定性。
本篇論文主要在討論雙埠主動網路操作在小信號時的穩定性及其增益。依照其穩定程度,盡可能的將所有會發生的情形表示出來,並加以分析討論。
第二章說明如何利用兩幾何參數μ和ν(M與N的希臘字母小寫)以及幾何角度大小來分出16個圖形,並將其圖形決定穩定因數D, E, K,B之範圍。藉由參數μ和ν,將對於雙埠主動網路之穩定性有更具體的感受,使得高頻電路之設計更加易於上手。
第三章對於增益公式及增益圖形有著更多詳盡的推導,並將第二章所分類出之16個圖形分別以功率增益對反射係數作圖,藉由圖形之分析可判別雙埠主動網路之穩定度與其增益之取捨,這將對於穩定與匹配的權衡有著莫大的助益。

With the operation speed of circuit increasing, the range of frequency is wider and stable situations become multiplex. Thus my thesis is motivated to find a wider and more precise discuss to analyze two-port network stability at any frequency available.
The thesis describes stability and gain of two-port active networks which are operated in small signal. According to its stable degree, show individual case which exists as possible.
Chapter 2 uses two geometrical-derived parameterμandν,and geometry angle to divide into 16 cases. Also determine their stability factor D,E,K,B range. With μandν parameters, we are able to get more sense about two-port active network stability. And R.F. circuit design is much easier in hand.
Chapter 3 includes more detail deduction of gain formulas and gain profiles. And power gain vs. reflection coefficient diagrams are illustrated for 16 cases introduced by Chapter 2. Through its analysis, stability and power gain of two-port active networks can be selected. It will be very useful to trade off stability and match properties.
URI: http://hdl.handle.net/11455/6286
Appears in Collections:電機工程學系所

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