1. An amptifier that operates in the linear reglon at all times is a Class A...

 

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1. An amptifier that operates in the linear reglon at all times is a Class A Class . e Class A. d. Class C A Class amplifier power amplifier has an output power of 5 watts for an input power of 100 mwatts. The power gain is 2. a 100. b. so. C. 250. d. 3. 3. For maximum output, a Class A power amplifier must have a value of quiescent current equal te a. one half the saturation current. b. twice the saturation current. C equal to the saturation current. d. just above the cutoff value. 4. A certain Class A power amplifier has Vcea 12 V, Ica=1 amp. The maximum AC power out is a. 6 W. b. 12 W. 1 W. d. 0.707 W. C. 5. The efficiency of a power amplifier is the ratio of the AC power delivered to the output tr a. AC input power. b. power from the DC power supply. C. None of these. 6. The transistors in a Class B amplifier are biased a. at cutoff. b. at saturation. C. at the midpoint of the load line. d. below cutoff. 7. The efficiency of a Class AB amplifier is a. about the same as Class A. b. the same as Class B. C. higher than Class B. d. slightly less than Class B. 1. An amptifier that operates in the linear reglon at all times is a Class A Class . e Class A. d. Class C A Class amplifier power amplifier has an output power of 5 watts for an input power of 100 mwatts. The power gain is 2. a 100. b. so. C. 250. d. 3. 3. For maximum output, a Class A power amplifier must have a value of quiescent current equal te a. one half the saturation current. b. twice the saturation current. C equal to the saturation current. d. just above the cutoff value. 4. A certain Class A power amplifier has Vcea 12 V, Ica=1 amp. The maximum AC power out is a. 6 W. b. 12 W. 1 W. d. 0.707 W. C. 5. The efficiency of a power amplifier is the ratio of the AC power delivered to the output tr a. AC input power. b. power from the DC power supply. C. None of these. 6. The transistors in a Class B amplifier are biased a. at cutoff. b. at saturation. C. at the midpoint of the load line. d. below cutoff. 7. The efficiency of a Class AB amplifier is a. about the same as Class A. b. the same as Class B. C. higher than Class B. d. slightly less than Class B.

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