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1 design a zener regulator to meet these specifications load voltage is 68 v source voltage is 20 v and load current is
1 a transistor has an emitter current of 10 ma and a collector current of 995 ma what is the base current2 the
when the base and collector supplies are equal the transistor can be drawn as shown in fig 6-34b what is the
1 what is the storage temperature range of a 2n39042 what is the minimum hfe for a 2n3904 for a collector current of 1
1 when looking at a schematic diagram that shows npn and pnp transistors how can you identify each type how can you
1 tell me how you would test a transistor out of a circuit what kind of tests can you do while the transistor is in a
1 draw a base-biased circuit then tell me how to calculate the collector-emitter voltage why is this circuit likely to
1 what are the three currents in a transistor and how are they related2 draw an npn and a pnp transistor label all
1 draw the two equivalent circuits ideal and second approximation to represent a transistor that is operating in the
1 i want you to draw an npn transistor showing the n and p regions then i want you to bias the transistor properly and
the following are directed toward the schematic diagram of the digitalanalog trainer system found on the instructor
the emitter resistor in fig 8-33 is doubled if we want small-signal operation in fig 8-33 what is the maximum allowable
in fig 8-33 the thevenin resistance seen by the bypass capacitor is 30 if the emitter is supposed to be ac ground over
1 why are coupling and bypass capacitors used2 i want you to draw a vdb amplifier with waveforms then explain the
1 what are three improvements that negative feedback makes in an amplifier2 what effect does a swamping resistor have
1 compare and contrast coupling and bypass capacitors2 draw a vdb amplifier now tell me how it works include voltage
1 draw the schematic diagram of an emitter follower tell me why this circuit is widely used in power amplifiers and
figure 9-36b shows a circuit in which the control voltage can be 0 v or 5 v if the audio input voltage is 10 mv what is
if an input signal with a peak-to-peak value of 5 mv drives the circuit of fig 9-36a what are the two ac output
1 an amplifier has an input power of 4 mw and output power of 2 w what is the power gain2 if an amplifier has a
1 why are follower circuits so important in acoustic circuits2 what is the approximate ac voltage gain for a cc
1 draw a zener follower and explain why it regulates the output voltage against changes in the input voltage2 what is
if the scr of fig 13-41 has a gate trigger voltage of 15 v a gate trigger current of 15 ma and a holding current of 10
the multisim troubleshooting fi les are found on the instructor resources section of connect for electronic principles
in fig 13-42 r3 is adjusted to 750 what is the charging time constant for the capacitor what is the thevenin