THE UNIVERSITY OF MICHIGAN - DEARBORN ELECTRICAL AND COMPUTER ENGINEERING DEPT. ECE 311 - Electronics ABET Outcomes Test. Summer, 2003. Dr. H. Kaufman. Five questions Pg. 1 of 3. Consider the inverter shown in the Figure. A capacitor C = 10pF is connected between theBy chiku
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Common Emitter Amplifier. Design Rules. V RE should be > 100 mV. Design Procedure. Decide on an IC that yield to proper gm and r π . Choose a proper I C R E , e.g. 200 mV. Determine Vx given IC and I C R E . Choose R1 and R2 to provide necessary value of VX and establish I1>>IB.
Loaded Common-Emitter Amplifier. i.e. Low load impedance Þ low gain or high g m . But, high g m Þ low r e Þ low r in . Ideal amplifier has high gain, high r in , low r out . Impossible with a single stage –> multi-stage amps. Example – An Operational Amplifier. Differential Amp.
ELE 1110D Lecture review Common-emitter amplifier. Some functions of transistors Current-source Emitter Follower Common-emitter amplifier. ELE 1110D Lecture review Common-emitter amplifier. Vout is biased at middle of V+ AC Gain: G = - R c / R E. (V+)/2 + G*0.1. (V+)/2. 0.1. 0.
Ch. 7 Frequency Response Part 4. 2. EF Amplifier - DC Analysis (Nearly the Same as CE Amplifier). GIVEN: Transistor parameters: Current gain
COMMON EMITTER. Ritwik Chavhan Amit Singh Akram Khan. COMPONENTS. Transistor (BC 107) 1(One ) Resistors ( 1KOhm, 100KOhm) 1(One ) Bread board 1(One ). EQUIPMENT.
Emitter-Follower (EF) Amplifier. DC biasing Calculate I C , I B , V CE Determine related small signal equivalent circuit parameters Transconductance g m Input resistance r π Midband gain analysis Low frequency analysis Gray-Searle (Short Circuit) Technique
Common Emitter Analysis. VCC. RC. vc. IC. VB. VC. IB. VE. ve. IE. RE. vb. The DC setup is nearly the same as the emitter-follower, the only addition is the resistor RC. The Common Emitter Amplifier With Re. We will worry about a time Varying input voltage vb. VB is
Common Emitter Amps. V cc. V cc. R c. R c. R b1. R b1. ∞. ∞. ∞. R gen. ∞. V out. V out. V in. R L. V gen. R b2. R b2. R gen. β i b. β i b. V in. R in. v in. R out. V out. V gen. R in. v in. R out. R L. Lab Circuits. +10 V. 2.2 k Ω. R b1. 1 μ F. V out.
Common-Collector Amplifier. Section 13.1-13.4. A note about Human Ear. Human can hear between 12 Hz and 20 KHz. The range begins to shrink at the age of 8 with high frequency fading. Vs,pp=100 mV, Freq=1 KHz. Vs,pp=100 mV, Freq=1 KHz mV. Vs,pp=100 mV. Slight mismatch.