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Wide Band Voltage - Controlled CMOS Ring Oscillators / Abd El rahman Ahmed Mohamed Mohamed ; Supervised Abd El Halim Shousha

By: Contributor(s): Language: Eng Publication details: Cairo : Abd El rahman Ahmed Mohamed Mohamed , 2005Description: 125P : ill ; 30cmOther title:
  • المذبذبات الحلقية ذات التحكم الجهدى متسعة النطاق [Added title page title]
Subject(s): Available additional physical forms:
  • Issued also as CD
Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty Of Engineering - Department Of Electronics and Communications Summary: In this work wide band voltage controlled CMOS ring oscillators are presented , based on both single - ended , and differential configurationsSingle - ended CMOS ring oscillators constructed by CMOS single - ended inverters are presented with the necessary formulas for frequencies and power calculations Skewed delay ring oscillators are also presented , this structure exhibits higher frequencies but consumes more powerTo build voltage controlled ring oscillator , an extra capacitance in series with NMOS transistor is added to each output node , the control voltage is applied at the gates of NMOS transistorsCurrent controlled ring oscillator is also presented which is based on limiting the current available for charging or discharging using current mirrors
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.08.M.Sc.2005.Ab.W. (Browse shelf(Opens below)) Not for loan 01010110044920000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.08.M.Sc.2005.Ab.W. (Browse shelf(Opens below)) 44920.CD Not for loan 01020110044920000

Thesis (M.Sc.) - Cairo University - Faculty Of Engineering - Department Of Electronics and Communications

In this work wide band voltage controlled CMOS ring oscillators are presented , based on both single - ended , and differential configurationsSingle - ended CMOS ring oscillators constructed by CMOS single - ended inverters are presented with the necessary formulas for frequencies and power calculations Skewed delay ring oscillators are also presented , this structure exhibits higher frequencies but consumes more powerTo build voltage controlled ring oscillator , an extra capacitance in series with NMOS transistor is added to each output node , the control voltage is applied at the gates of NMOS transistorsCurrent controlled ring oscillator is also presented which is based on limiting the current available for charging or discharging using current mirrors

Issued also as CD

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