Problem 2 Consider the feedback amplifier circuit on Figure P2. The DC current gain of transistor Q3 is -100 1. What type of feedback (or what feedback topology) do we have on the circuit in Figure P...
Problem 2 Consider the feedback amplifier circuit on Figure P2. The DC current gain of transistor Q3 is -100 1. What type of feedback (or what feedback topology) do we have on the circuit in Figure P2? 2. Draw the A-circuit. Express and compute the open-loop voltage gain A at mid-band frequency 3, Draw the γ-circuit. Express and compute the feedback factor γ 4. Express and compute the overall gain of the feedback amplifier Ap Express and compute the input resistance RIN, and output resistance RouT^ of the feedback amplifier 5. VCC 12V R3 8.2kQ R1 100kΩ C2 10uF Vout C1 Rsig Q3 1kQ R6 C3 10uF R4 R2 22k Ω R5 500Ω
Problem 2 Consider the feedback amplifier circuit on Figure P2. The DC current gain of transistor Q3 is -100 1. What type of feedback (or what feedback topology) do we have on the circuit in Figure P2? 2. Draw the A-circuit. Express and compute the open-loop voltage gain A at mid-band frequency 3, Draw the γ-circuit. Express and compute the feedback factor γ 4. Express and compute the overall gain of the feedback amplifier Ap Express and compute the input resistance RIN, and output resistance RouT^ of the feedback amplifier 5. VCC 12V R3 8.2kQ R1 100kΩ C2 10uF Vout C1 Rsig Q3 1kQ R6 C3 10uF R4 R2 22k Ω R5 500Ω