ECE315_Freq1

In a simple low-pass filter, what happens to the impedance of the capacitor as frequency increases?

• It decreases

• It increases

• It remains constant

• It becomes infinite

What does Miller's theorem help to decompose?

• Floating capacitors into grounded elements

• Grounded capacitors into floating elements

• Transistor capacitances

• Voltage sources

What is the transit frequency (fT) defined as?

• The frequency where the voltage gain is maximum

• The frequency where the current gain drops to 1

• The frequency where the impedance is zero

• The frequency where the output power is maximum

What is the effect of capacitive coupling in circuits?

• It decreases the bandwidth

• It increases the gain

• It passes DC signals while blocking AC

• It passes AC signals while blocking DC

In a Bode plot, what happens to the magnitude when a pole is encountered?

• It rises with a slope of +20dB/dec

• It falls with a slope of -20dB/dec

• It fluctuates

• It remains constant