64151. Which of the following configurations has an output impedance Zo equal to RC?
64152. Refer to this figure. Find the value of Rin(base).
64153. For a common-emitter amplifier, the purpose of the emitter bypass capacitor is
64154. For BJT amplifiers, the ________ gain typically ranges from a level just less than 1 to a level that may exceed 1000.
64155. The loaded voltage gain of an amplifier is always more than the no-load level.
64156. Which of the following configurations has a voltage gain of –RC /re?
64157. An emitter-follower amplifier has an input impedance of 107 k. The input signal is 12 mV. The approximate output voltage is (common-collector)
64158. Which of the following is (are) true regarding the output impedance for frequencies in the midrange 100 kHz of a BJT transistor amplifier?
64159. Refer to this figure. The output signal from the first stage of this amplifier is 0 V. The trouble could be caused by
64160. What is the limit of the efficiency defined by = Po / Pi?
64161. What is re equal to in terms of h parameters?
64162. What is the controlling current in a common-base configuration?
64163. Which of the following techniques can be used in the sinusoidal ac analysis of transistor networks?
64164. The input impedance of a BJT amplifier is purely ________ in nature and can vary from a few ________ to ________.
64165. The ________ the source resistance and/or ________ the load resistance, the less the overall gain of an amplifier.
64166. Refer to this figure. If an emitter bypass capacitor was installed, what would the new Av be?
64167. A Darlington pair provides beta ________ for ________ input resistance.
64168. A Darlington pair amplifier has
64169. In a fixed-bias network, the input signal Vi is applied to the ________ of the transistor while the output Vo is off the ________.
64170. In an emitter-follower, the voltage gain is ________.
64171. In an unbypassed emitter-bias configuration ________ replaces re in the hybrid equivalent circuit.
64172. The feedback pair uses a(n) ________ transistor driving a(n) ________ transistor, the two devices acting effectively much like one pnp transistor.
64173. In a hybrid equivalent circuit, ________ is determined to make it easier to find the other parameters.
64174. The input and output signals are ________ for the typical transistor amplifier at frequencies that permit ignoring the effects of the reactive elements.
64175. ________ is slightly affected if the condition ro 10RE is not satisfied in the analysis of an emitter-follower configuration.
64176. The dc load line and ac load line both have the same ________ .
64177. The ________ the level of RL, the ________ the level of ac voltage gain.
64178. The coupling capacitor places the load and collector resistors in a ________ arrangement.
64179. In a voltage-divider bias configuration, the voltage-divider equation is used to determine the ________.
64180. The ________ of the input signal is one of the first concerns in the sinusoidal ac analysis of transistor networks.
64181. The ________ model(s) is (are) commonly used in the small-signal ac analysis of transistor networks.
64182. In a voltage-divider bias configuration, there can be a measurable difference in the results for ________ if the condition ro 10RC is not satisfied.
64183. The level of re is determined by ________.
64184. The ________ the source resistance, the ________ the overall gain of an amplifier.
64185. In a common-base configuration, the input and output voltages are ________ and the output and input currents are ________.
64186. Ideally, the changes in the load resistor or the source resistor should have ________ effect on all the parameters of the two-port model.
64187. The ac voltage gain of a Darlington connection is about ________.
64188. One junction of an operating transistor is ________ and the other one is ________.
64189. The output voltage and the input voltage are ________ for the common-base configuration.
64190. A common-base configuration has ________ impedance at the input and ________ impedance at the output.
64191. In a common-emitter configuration ________ is the controlling current while ________ is the controlled current.
64192. For the common-emitter and common-base configurations, the magnitude of ________ and ________ is often not included in the model.
64193. An emitter-follower has ________ impedance at the input and ________ impedance at the output.
64194. ________ refers to the forward transfer current ratio.
64195. For transistor amplifiers, the no-load voltage gain is ________ the loaded voltage gain.
64196. The peak value of the ac input signal is controlled by the ________ in a transistor network for the frequencies in the low to midrange.
64197. In an emitter-follower, the output voltage is ________ with the input voltage.
64198. ________ can be applied to determine the response of the ac equivalent circuit.
64199. The bypass capacitor in a common-emitter configuration ________ the voltage gain.
64200. The loaded voltage gain of an amplifier is ________ the no-load level.
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