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Multi-Stage Transistor Amplifiers
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A current amplification of 2000 is a gain of_________________?
Related MCQs
A gain of 1000 times in voltage is expressed by__________?
The upper or lower cut off frequency is also called__________frequency?
The power output of an audio system is 18 W. For a person to notice an increase in the output (loudness or sound intensity) of the system, what must the output power be increased to ?
The number of stages that can be directly coupled is limited because__________?
The bandwidth of a single stage amplifier is__________that of a multistage amplifier?
The output of a microphone is rated at -52 db. The reference level is 1V under specified conditions. What is the output voltage of this microphone under the same sound conditions?
If the power level of an amplifier reduces to half, the db gain will fall by__________?
In the initial stages of a multistage amplifier, we use__________?
A gain of 1,000,000 times in power is expressed by__________?
In transistor amplifiers, we use__________transformer for impedance matching?
If a three-stage amplifier has individual stage gains of 10 db, 5 db and 12 db, then total gain in db is__________?
Transformer coupling is generally employed when load resistance is__________?
__________coupling provides the maximum voltage gain?
In RC coupling, the value of coupling capacitor is about__________?
The best frequency response is of__________coupling?
In obtaining the frequency response curve of an amplifier, the__________?
In an RC coupling scheme, the coupling capacitor CC must be large enough__________?
When a multistage amplifier is to amplify d.c. signal, then one must use__________coupling?
In practice, voltage gain is expressed__________?
The final stage of a multistage amplifier uses__________?
RC coupling is not used to amplify extremely low frequencies because__________?
1 db corresponds to__________change in voltage or current level?
The total gain of a multistage amplifier is less than the product of the gains of individual stages due to__________?
The purpose of RC or transformer coupling is to__________?
The value of emitter capacitor CE in a multistage amplifier is about__________?
RC coupling is generally confined to low power applications because of__________?
An amplifier receives 0.1 W of input signal and delivers 15 W of signal power. What is the power gain in db?
The gain of an amplifier is expressed in db because__________?
The frequency response of transformer coupling is__________?
1 db corresponds to__________change in power level?
The lower and upper cut off frequencies are also called__________frequencies?
The ear is not sensitive to__________?
Transformer coupling provides high efficiency because__________?
The noise factor of an ideal amplifier expressed in db is__________?
Transformer coupling is used for__________amplification?
An advantage of RC coupling scheme is the__________?
In an RC coupled amplifier, the voltage gain over mid-frequency range__________?
RC coupling is used for__________amplification?
A radio receiver has__________of amplification?
A current amplification of 2000 is a gain of_________________?
A. 3 db
B. 66 db
C. 20 db
D. 200 db
Correct Answer:
66 db
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Last Updated:
July 30, 2021