EE312 (d) Figure Q1D shows an inverting amplifier circuit. The open loop gain of the operational...
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EE312 (d) Figure Q1D shows an inverting amplifier circuit. The open loop gain of the operational amplifier is AV. The values of the resistances are RIN = 20 KQ and RF = 1000 KQ. VN Ö RN Page 3 of 12 VN Vp 3 R₂ VOUT Figure Q1D i) Write down the equivalent block diagram describing the operation as a feedback system. ii) Derive the EXACT algebraic equation of the amplifier gain (transfer function between changes in output voltage VOUT in response to changes in input voltage VIN) in terms of relevant circuit parameters. 1 iii) When AV → ∞, write down a simplified expression for the amplifier gain. iv) The open loop gain of the amplifier AV can vary between 103 and 105. Determine the corrues of the closed loop gain. v) How do these values compare to the simplified expression? vi) Comment on the expected amplifier performance at high frequencies. 6 marks EE312 (d) Figure Q1D shows an inverting amplifier circuit. The open loop gain of the operational amplifier is AV. The values of the resistances are RIN = 20 KQ and RF = 1000 KQ. VN Ö RN Page 3 of 12 VN Vp 3 R₂ VOUT Figure Q1D i) Write down the equivalent block diagram describing the operation as a feedback system. ii) Derive the EXACT algebraic equation of the amplifier gain (transfer function between changes in output voltage VOUT in response to changes in input voltage VIN) in terms of relevant circuit parameters. 1 iii) When AV → ∞, write down a simplified expression for the amplifier gain. iv) The open loop gain of the amplifier AV can vary between 103 and 105. Determine the corrues of the closed loop gain. v) How do these values compare to the simplified expression? vi) Comment on the expected amplifier performance at high frequencies. 6 marks
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Related Book For
Essentials of Business Statistics
ISBN: 978-0078020537
5th edition
Authors: Bruce Bowerman, Richard Connell, Emily Murphree, Burdeane Or
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