The input waveforms shown in Fig. 3(b) are applied to the inputs of the 74HC42 BCD-to-Decimal Decoder. Neatly sketch the output waveforms. Use the attached answer sheet for Q3(b)(iii) for completing the sketch.
Three-Phase Transformers
Three-segment transformers are a type of transformer used to transform voltages of electrical systems into three ranges. Two type transformers are shell-type transformer and core type transformer. In brief, it could be described because of the exquisite kinds of configurations.
Transformer
Ever since electricity has been created, people have started using it in its entirety. We see many types of Transformers in the neighborhoods. Some are smaller in size and some are very large. They are used according to their requirements. Many of us have seen the electrical transformer but they do not know what work they are engaged in.
Please answer only part 3
![(b)
Answer each of the following for the BCD-to-decimal decoder shown in Fig. 3(b):
(i)
Briefly explain the function of a BCD-to-decimal decoder.
(ii)
What do the inversion bubbles on the IC output terminals mean?
(iii) The input waveforms shown in Fig. 3(b) are applied to the inputs of the 74HC42
BCD-to-Decimal Decoder. Neatly sketch the output waveforms. Use the attached
answer sheet for Q3(b)(iii) for completing the sketch.
BCD/DEC
Ao
2
Ag -
A
3
Az
4
8.
Fig. 3(b)
74HC42
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