b) c) Explain why the coupling capacitors do not have a significant effect on gain at...
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b) c) Explain why the coupling capacitors do not have a significant effect on gain at [4 marks] sufficiently highsignal frequencies. List the capacitances that affect highfrequency gain in both BJT and FET [6 marks] amplifiers and comment why it is the case. Determine the Miller input and output capacitances for the amplifier in Figure Q1. Cgd=Crss. [15 marks] 0.001 uF HH 50 Ω +10 V € 10 ΜΩ 1.0 ΚΩ 1.0 ΚΩ 0.001 μF out 0.1 μF Figure Q1 Ciss = 10 pF Crss=3 pF IGSS= 18 nA @ VDS = 10 V VGS(off) = 8 V IDSS = 10 mA 10 ΚΩ
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ANSWER A Coupling capacitors are used in amplifier circuits to block DC voltage while allowing AC signals to pass through At sufficiently high signal frequencies the reactance of the coupling capacito... View the full answer
Related Book For
Complex Variables and Applications
ISBN: 9780073051949
8th edition
Authors: James Brown, Ruel Churchill
Posted Date:
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