Mixed Quiz (See related pages) 1 The emitter follower is also called a common-emitter amplifier. A) True B) False 2 In a common-collector amplifier, the collector is always connected to the ground. A) True B) False 3 The voltage gain of an emitter follower amplifier is generally very high. A) True B) False 4 It is very difficult to get a small output impedance with a common-emitter amplifier. A) True B) False 5 A Darlington connection is a connection of two transistors whose overall current gain equals the product of the individual gains. A) True B) False 6 Semiconductor manufacturers cannot put a Darlington pair inside a single case. A) True B) False 7 A zener follower is a circuit that combines a zener regulator and a common-collector. A) True B) False 8 The common-base amplifier is also called an emitter-follower amplifier. A) True B) False 9 The output voltage of a common-base amplifier is in phase with its input. A) True B) False 10 One of the major differences between the CB amplifier and other amplifier configurations is its low impedance. 11 The CB amplifier is most often used in frequency applications. 12 A common- amplifier is also called an emitter follower. 13 The emitter follower amplifier has a input impedance and low distortion. 14 The voltage gain of a common-collector amplifier is . 15 When an emitter follower is configured between a high output impedance and a low resistance load, it is referred to as a . 16 An advantage of a zener follower is output impedance. 17 The common-base amplifier is also known as a amplifier. 18 A common-base circuit can be used to couple a A) high impedance source to a low impedance load B) low impedance source to a high impedance load C) high impedance source to a high impedance load D) low impedance source to a low impedance load 19 Small load resistances that would overload a CE amplifier can be used with an emitter follower because an emitter follower A) steps up impedance B) amplifies high frequencies better C) has a higher voltage gain D) cannot amplify current 20 If each transistor in a Darlington pair has a gain of 100, what is the overall current gain? A) 100 B) 200 C) 1,000 D) 10,000 21 A circuit that combines a zener regulator and an emitter follower is referred to as A) an emitter regulator B) a follower regulator C) a zener follower D) a zener diode 22 The amplifier configuration in which the input signal drives the emitter and the output signal is taken from the collector is the A) common-collector B) common-emitter C) common-base D) emitter follower 23 The reason a common-collector amplifier is called an emitter follower is because A) the output voltage follows the input voltage B) the output voltage is taken from the collector C) the emitter is grounded D) the output voltage is out of phase with the input 24 The low impedance of a speaker can be matched to the output impedance of A) a common-collector to deliver maximum power B) a common-base to deliver maximum power C) a common-emitter to deliver maximum power D) a coupling capacitor 25 It is very difficult to get a small output impedance with a A) common-collector amplifier B) common-emitter amplifier C) common-base amplifier D) emitter follower amplifier
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