rr_lg - freq [Hz] Degree A v (Input) A i (Input) RR-1 =...

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– 1 – Advanced Analog IC Design Professor Y. Chiu EECT 7329 Fall 2011 SPICE Simulation of Generalized Return Ratio and Loop-Gain
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Trans-Impedance Amplifier (TIA) – 2 – Advanced Analog IC Design Professor Y. Chiu EECT 7329 Fall 2011 V O Q 1 R F R C I in IC1 = 1 mA RC = 10 kΩ RF = 20 kΩ β = 200 VA = 1000 V Rμ = 1 MΩ Cπ = 0.3 pF Cμ = 100 fF CCS = 100 pF
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RR Simulation w/ Output Break Point – 3 – Advanced Analog IC Design Professor Y. Chiu EECT 7329 Fall 2011 RRV RRI V r V O Q 1 R F R C L C V t Q 1 R F R C L I r I t
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RRV vs. RRI w/ Output Break Point – 4 – Advanced Analog IC Design Professor Y. Chiu EECT 7329 Fall 2011 10 5 10 10 -200 -150 -100 -50 0 50 freq [Hz] dB A v (Output) A i (Output) 10 5 10 10 -100 -50 0 50 100 150 200 freq [Hz] Degree A v (Output) A i (Output) RR-1 = RRV-1 + RRI-1
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RR Simulation w/ Input Break Point – 5 – Advanced Analog IC Design Professor Y. Chiu EECT 7329 Fall 2011 V O V O R C Q 1 R C V r Q 1 R F C V t L R F L I r I t RRV RRI
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RRV vs. RRI w/ Input Break Point – 6 – Advanced Analog IC Design Professor Y. Chiu EECT 7329 Fall 2011 10 5 10 10 -200 -150 -100 -50 0 50 100 freq [Hz] dB A v (Input) A i (Input) 10 5 10 10 -100 -50 0 50 100 150 200
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Unformatted text preview: freq [Hz] Degree A v (Input) A i (Input) RR-1 = RRV-1 + RRI-1 Generalized Return Ratio – 7 – Advanced Analog IC Design Professor Y. Chiu EECT 7329 Fall 2011 10 5 10 10-200-150-100-50 50 freq [Hz] dB Gen. RR (Output) Gen. RR (Input) 10 5 10 10-100-50 50 100 150 200 freq [Hz] Degree Gen. RR (Output) Gen. RR (Input) RR-1 = RRV-1 + RRI-1 Loop-Gain Simulation – 8 – Advanced Analog IC Design Professor Y. Chiu EECT 7329 Fall 2011 Product of two voltage gains is the loop gain (why?) Vt driving at Input Vt driving at Output V r Q 1 R F R C C V t V r Q 1 R F R C C V t Gen. RR vs. Loop-Gain – 9 – Advanced Analog IC Design Professor Y. Chiu EECT 7329 Fall 2011 10 5 10 10-200-150-100-50 50 freq [Hz] dB Gen. RR (Output) Gen. RR (Input) Loop Gain 10 5 10 10-100-50 50 100 150 200 freq [Hz] Degree Gen. RR (Output) Gen. RR (Input) Loop Gain...
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This note was uploaded on 03/19/2012 for the course EE 7329 taught by Professor Yunchiu during the Fall '11 term at University of Texas at Dallas, Richardson.

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rr_lg - freq [Hz] Degree A v (Input) A i (Input) RR-1 =...

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