RANGKAIAN ELEKTRONIKA DIGITAL

What is the main advantage of FET amplifiers?

• A. Low voltage gain

• B. High input impedance

• C. High power consumption

• D. Poor frequency range

In a common-source (CS) fixed-bias circuit, where is the input signal applied?

• A. Drain

• B. Source

• C. Gate

• D. Ground

What is the phase shift between input and output in a common-drain (source follower) circuit?

• A. 180°

• B. 90°

• C. 0° (no phase shift)

• D. 270°

What is the input impedance (Zi) of a common-source voltage-divider bias circuit?

• A. Zi = RG

• B. Zi = R1 || R2

• C. Zi = RD

• D. Zi = ∞ Ω

What is the frequency range of an amplifier where capacitors and internal device capacitances have negligible effects called?

• A. High-frequency range

• B. Low-frequency range

• C. Mid-range

• D. Cutoff range

What does a Bode plot represent in the context of an amplifier?

• A. The time-domain response of the amplifier

• B. The frequency response of the amplifier

• C. The power consumption of the amplifier

• D. The phase shift of the amplifier

Which capacitor affects the low-frequency response of a BJT amplifier by altering the impedance between the source and the input?

• A. Bypass capacitor (CE)

• B. Coupling capacitor (CS)

• C. Coupling capacitor (CC)

• D. Miller capacitor (CMi)

What happens to the output waveform of an amplifier when a square wave is applied, and certain frequency components are attenuated?

• A. The output remains a perfect square wave

• B. The output becomes a sine wave

• C. The output is no longer a perfect square wave

• D. The output is completely filtered out