March 2020 StudentZone Quiz Solution
Question 1:
The faster amplifiers show a ringing settling characteristic. What circuit component(s) could you add to remove the ringing (perhaps at the cost of…
January 2020 StudentZone Quiz Solution
Question 1:
How does the voltage vs current characteristics of this V BE multiplier compare to those of a simple diode connected transistor?
Answer 1:
The…
February 2020 StudentZone Quiz Solution
Question:
Compute the threshold voltages for all four comparator setups (simple, non-inverting hysteresis, inverting hysteresis) and compare the results with…
Question 1:
By plotting the NMOS/PMOS data measured for I D vs V GS , find and report values of V TH and K (W/L). How do the V TH and K (W/L) values for the NMOS and PMOS compare?
Answer 1:
NMOS…
Question 1:
How does adding negative feedback help to stabilize the DC operating point?
Answer 1:
Adding a negative feedback by placing a resistor in the transistor’s source circuit means that the…
Question 1:
For the common emitter amplifier circuit, what is the effect on the voltage gain, A, by increasing R L ?
Answer 1:
Following emitter amplifier circuit gain equation presented in the first…
Question 1:
Replace capacitor C F with a smaller value (0.01uF) and re-measure the response curve with the Network Analyzer instrument or AC Sweep simulation. Explain the effect of the new capacitor…
Question 1:
Can you name one advantage and one disadvantage for the current mirror circuit with base current compensation?
Advantage:
Reduce the gain error caused by the finite base currents
…
Question1: FIG 1 shows an RLC network
Show that this network has the transfer function represented by:
Answer 1:
The impedance of the inductor is given by
The impedance of the capacitor is…
Question 1:
Can you name an advantage that the MOS current mirror has over the BJT current mirror?
Answer 1:
A significant advantage of the MOS current mirror is the lack of base current induced…
