Design a circuit using a 74121 to convert a 33-kHz, 30% duty cycle wav – McqOptions

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1.	Design a circuit using a 74121 to convert a 33-kHz, 30% duty cycle waveform to a 33-kHz, 60% duty cycle waveform.
A.	Rint¬†=¬†2 k, Cext¬†=¬†0.012 nF
B.	Rint¬†=¬†2 k, Cext¬†=¬†0.012 F
C.	Rint¬†=¬†4 k, Cext¬†=¬†0.012 nF
D.	Rint¬†=¬†4 k, Cext¬†=¬†0.012 F
Answer» C. Rint¬†=¬†4 k, Cext¬†=¬†0.012 nF

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