Ch-0 Basics Flashcards
(32 cards)
What type of voltage does the amplifier operate with?
Sinusoidal voltage
The amplifier operates with an input sinusoidal voltage.
What is the peak output voltage delivered by the amplifier to a 500 Ω load?
5 V peak
The amplifier delivers a sinusoidal output of 5 V peak.
How much current does the amplifier draw from the power supply?
2 mA
This is the current drawn by the amplifier from the power supply.
What is the input current to the amplifier?
0.05 mA
The input current to the amplifier is found to be 0.05 mA.
Calculate the voltage gain of the amplifier.
To be calculated based on output and input voltages
The voltage gain can be calculated using the formula: Voltage Gain = V_output / V_input.
Calculate the current gain of the amplifier.
To be calculated based on output and input currents
The current gain can be calculated using the formula: Current Gain = I_output / I_input.
What is the power drawn from the DC supplies?
To be calculated
Power drawn from the DC supplies can be calculated using the formula: P = V * I.
Calculate the output power delivered by the amplifier.
To be calculated
Output power can be calculated using the formula: P_output = (V_peak^2) / R_load.
What is the power dissipated in the amplifier?
To be calculated
Power dissipated can be calculated as the difference between power drawn from the supply and output power.
What is the efficiency of the amplifier?
To be calculated
Efficiency can be calculated using the formula: Efficiency = (P_output / P_input) * 100.
What are the voltage rails supplied to the amplifier?
±10 V
The amplifier is supplied by ±10 V rails.
What is the maximum RMS output power delivered by the amplifier across a 1 kΩ resistor?
0.25 W
The maximum RMS output power can be calculated from the peak voltage.
What is the output power delivered to a 4 Ω speaker when fed with a 2 V peak sinusoidal signal?
To be calculated
Output power delivered to the speaker can be calculated using the formula: P = (V_peak^2) / R_load.
What is the DC power drawn from the supply when the amplifier delivers power to the speaker?
25 mA
The DC power drawn from the supply is 25 mA.
What is the efficiency of the audio amplifier?
To be calculated
Efficiency can be calculated based on output power and power drawn from the supply.
What is the voltage gain in decibels (dB)?
To be calculated
Voltage gain in dB can be calculated using the formula: Gain(dB) = 10 * log10(P_out / P_in).
What type of voltage does the amplifier operate with?
Sinusoidal voltage
The amplifier operates with an input sinusoidal voltage.
What is the peak output voltage delivered by the amplifier to a 500 Ω load?
5 V peak
The amplifier delivers a sinusoidal output of 5 V peak.
How much current does the amplifier draw from the power supply?
2 mA
This is the current drawn by the amplifier from the power supply.
What is the input current to the amplifier?
0.05 mA
The input current to the amplifier is found to be 0.05 mA.
Calculate the voltage gain of the amplifier.
To be calculated based on output and input voltages
The voltage gain can be calculated using the formula: Voltage Gain = V_output / V_input.
Calculate the current gain of the amplifier.
To be calculated based on output and input currents
The current gain can be calculated using the formula: Current Gain = I_output / I_input.
What is the power drawn from the DC supplies?
To be calculated
Power drawn from the DC supplies can be calculated using the formula: P = V * I.
Calculate the output power delivered by the amplifier.
To be calculated
Output power can be calculated using the formula: P_output = (V_peak^2) / R_load.
