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Q1. Find the closed loop gain and output impedance
A non-inverting amplifier employs an op-amp with a finite loop gain A_0 , and output impedance
R_{\text{out}}, as shown below. Find the closed loop gain
v_{out}/v_{in} and output impedance.
Q9. Determine the current and output impedance
The non-ideal op-amp with gain A=50000, but with infinite input resistance and zero output resistance below is used to increase the overall output resistance of NPN current source below. Find the current
I_C and the output resistance,
R_{out}.
Q8. Determine the current and output impedance
For the NPN current source below, determine the current I_C and output resistance
R_{out} as indicated on the diagram.
Q9. Determine the current and the emitter resistance
For the current source below, determine the Zener current I_Z, and the BJT's emitter resistance
R_E if
I_0 = 2\text{mA}.
Q6. Determine the current and output impedance
Consider the NMOS current source below. Find the current I_D and the output resistance
R_{out} as indicated on the diagram.
Q5. Determine the current and output impedance
For the PMOS current source below, determine the current I_D and the output resistance
R_{out} as indicated on the diagram.
Q7. Determine the current and output impedance
The non-ideal op-amp with gain A=50000, but with infinite input resistance and zero output resistance below is used to increase the overall output resistance of NMOS current source below. Find the current
I_D and the output resistance,
R_{in}.
Q4. Determine the current
Two different NMOS transistors with exactly the same threshold voltage form a current mirror like circuit connections as shown below. Determine the current I_D.
Q3. Determine the current
For the current mirror below, determine the current I_{REF}.
Q2. Determine the current
For the current mirror below, determine the current I_{REF}.